Publications

01. Gufran Sayeed Khan, Syed Wazed Ali, Md Amir, Indian Patent: A Magnetic Nano-Photocatalyst and A Method of Preparation Thereof, filed application number 201911047855, Indian Patent No. 39091 (Granted)

02. Gufran Sayeed Khan, Syed Wazed Ali, Md Amir, Vinod Mishra, Nano-size abrasive and method of preparing, application for patent filed application number 202011004345, filed dated 31st Jan 2020, Indian Patent No. 418063 (Granted)

03. Chandra Shakher, Vivek Rastogi, Shilpi Agarwal, Satish Kumar Dubey, Gufran Sayeed Khan, “An improved digital holographic interferometer for quantitative phase imaging” Indian Patent No. 201911030117 dated 25th July 2019 ((Published on 27/08/2021)

04. Syed Wazed Ali, Gufran Sayeed Khan, Sneha Saha, Md Amir, A method for synthesis of hybrid zinc stannate copper-trimesic acid-based metal-organic framework, Indian Patent No. 202311001842 dated 9th January 2023 (Filed)

V Mishra, H Garg, V Karar, GS Khan, “Ultra-precision Diamond Turning Process” Micro and Nano Machining of Engineering Materials, 65-97(2018) ISBN 978-3-319-99900-5

2026

1. Purva Sharnagat, Arpit Gupta, Deblina Sabui, Jasleen Lugani, and Gufran S. Khan, Influence of surface roughness in thermal deformation of high diffraction efficiency multilayer dielectric grating, Conference Proceedings of SPIE 14107 (2026): 141070A.

2. Purva Sharnagat, Deblina Sabui, Arpit Gupta, Vipender Singh Negi, Md Amir, Rahul Bhatt, Jasleen Lugani, and Gufran Sayeed Khan, Optical and thermal performance analysis of multilayer dielectric grating as a spectral beam combiner, Optics & Laser Technology 187 (2026): 114631.

2025

3. Sourish Chatterjee, Deblina Sabui, Gufran S. Khan, and Bhaskar Roy, Optical Gain-Induced RIS-Enabled VLC Receiver: Channel Modeling and Performance Insights, 2025 IEEE 4th Conference on Applied Signal Processing (ASPCON) (2025): 127-132.

4. Deblina Sabui, Sourish Chatterjee, and Gufran S. Khan, Dynamic FoV Liquid Crystal Receiver for Indoor Multi-Cell VLC Systems, 2025 IEEE 4th Conference on Applied Signal Processing (ASPCON) (2025): 177-182.

5. V. Murudkar, M. P. Das, A. Prakash, K. Chanchalani, V. K. Dhar, M. K. Koul, and Gufran S. Khan, Feasibility Study on Simulation of Optical Parameters for a Dual Mirror Cherenkov Telescope at Hanle, Ladakh, Technical Physics 70, no. 11 (2025): 510-518.

6. Lalit Mohan Pant, Dali Ramu Burada, Gufran S. Khan, and Chandra Shakher, Genetic algorithms based subaperture stitching approach for metrology application, Journal of Optics (2025): 1-9.

7. Kundan Kumar Prasad, M. P. Singh, Vipender Singh Negi, Vinod Mishra, Sunil Jha, and Gufran Sayeed Khan, Ductile machining of single-crystal germanium freeform optics via ultra-precision diamond turning for high-performance infrared imaging systems, Precision Engineering 96 (2025): 380-397.

8. Deepak Kumar, S. Aravindan, Kundan Kumar Prasad, and Gufran S. Khan, Nano surface generation by single point diamond turning for low-pressure diffusion bonding of copper, Precision Engineering 96 (2025): 19-30.

9. Arpit Gupta, Deblina Sabui, Rahul Bhatt, Shaji Joseph, Amit Dixit, Joby Joseph, and Gufran S. Khan, Design of Polarization-Independent multilayer dielectric grating to enhance the diffraction efficiency in off-Littrow configuration for spectral beam combining, Optics & Laser Technology 187 (2025): 112832.

10. Arpit Gupta, Purva Sharnagat, V. S. Bhandari, Deblina Sabui, Jasleen Lugani, Joby Joseph, and Gufran S. Khan, Combining diffraction efficiency measurements with RCWA for high-precision grating characterization, Modeling Aspects in Optical Metrology X 13568 (2025): 149-158.

11. Swapnil Chitriv, Kapil K. Gangwar, Sarvesh Bansal, Gufran S. Khan, and P. Senthilkumaran, Modified phase synthesis for a tunable vortex phase plate working on the Alvarez–Lohmann concept, Applied Optics 64, no. 14 (2025): 3909-3914.

12. Kundan Kumar Prasad, S. K. Tamang, Vipender Singh Negi, Md Amir, Sunil Jha, and Gufran S. Khan, An integrated intelligent approach for optimizing process parameters in diamond turning of sc-Ge for high-quality optical surfaces, Physica Scripta 100, no. 3 (2025): 035534.

13. Lalit Mohan Pant, Dali Ramu Burada, Mahendra Pratap Singh, Gufran Sayeed Khan, and Chandra Shakher, Investigations on the measurement of freeform optical wavefront using a holo-shear lens, Applied Optics 64, no. 8 (2025): 1775-1782.

14. V. Murudkar, M. P. Das, K. Chanchalani, A. Prakash, V. K. Dhar, M. Sharma, and Gufran S. Khan, Simulation & optical design optimization studies for a proposed dual mirror Schwarzschild Couder Cherenkov Telescope at Hanle, 43rd meeting of the Astronomical Society of India (ASI) (2025): P45.

15. Kundan Kumar Prasad, Vipender Singh Negi, R. Sharma, Vinod Mishra, Deblina Sabui, Dali Ramu Burada, and Gufran S. Khan, Experimental investigations on the development of hybrid optical surfaces by using ultra-precision machining, Machining Science and Technology 29, no. 1 (2025): 16-42.

16. Md Amir, Gulshitab Aalam, S. Ahmad, A. Baykal, S. Wazed Ali, and Gufran S. Khan, Functionalization and nanoscale characterization of magnetic nanohybrids, Functionalized Magnetic Nanohybrids (2025): 73-88.

2024

17. Anchal Chopra, Neha Arya, Md Amir, Sachin Bairagi, Abdulhadi Baykal, Gufran S. Khan, and S. Wazed Ali, Leveraging BaFe12O19/PANI Nanocomposite Incorporated Cotton Fabric as an Effective EMI Shielding Flexible Material for X-band Frequency, ACS Applied Electronic Materials 6, no. 4 (2024): 2242-2257.

18. Deblina Sabui, Sourish Chatterjee, and Gufran S. Khan, Impact of different receiver geometries on a reconfigurable intelligent surface assisted multi-cell VLC system in the presence of light path blockage, Applied Optics 63, no. 10 (2024): 2404-2414.

19. Deblina Sabui, Sourish Chatterjee, and Gufran S. Khan, Multi-cell VLC system and reconfigurable intelligent surfaces: Connecting the dots, 2024 IEEE 3rd International Conference on Control, Instrumentation, Energy & Communication (CIEC) (2024): 1-5.

20. Vinod Mishra, Dali Ramu Burada, Lalit Mohan Pant, and Gufran S. Khan, Advances in ultra-precision manufacturing and metrology for freeform optics, Elsevier (2024).

21. Sneha Saha, Gulshitab Aalam, Ajay, Md Amir, Gufran Sayeed Khan, Pravin P. Ingole, and S. Wazed Ali, Synthesis and Characterization of a Distinct Zinc Stannate‐Copper Metal‐Organic Framework (ZnSnO3@H3BTC‐Cu MOF): Unveiling Outstanding Photocatalytic and Antibacterial Properties, ChemistrySelect 9, no. 24 (2024): e202400142.

2023

22. Vinod Mishra, Nitin Dubey, M. P. Singh, Raj Kumar, Subrat Kar, Sunil Jha, Luke D. Mayer, Daewook Kim, and Gufran S. Khan, Computational-sampling-moiré-based on-machine alignment for freeform optics, Optics Letters 48, no. 7 (2023): 1934-1937.

23. Prabhat K. Baghel, Vinod Mishra, Raj Kumar, and Gufran S. Khan,Ultrasonic vibration–assisted magnetorheological hybrid finishing process for glass optics, The International Journal of Adavance Manufacturing Technology 125, no. 5-6 (2023) 2265-2276.

24. Deblina Sabui, Vinod Mishra, Sourish Chatterjee, Biswanath Roy, and Gufran S. Khan,Freeform based compact receiver front-end for indoor multi-cell VLC system: Fabrication, optical characterization and associated challenges., Optik 274(2023) 170539.

25. Md Amir, Vinod Mishra, Rohit Sharma, Faiz Iqbal, S. Wazed Ali, Shravana Kumar, and Gufran S. Khan, Development of magnetic nanoparticle based nanoabrasives for magnetorheological finishing process and all their variants, Ceramics International 49, no. 4 (2023) 6254-6261.

26. Md Amir, Rohit Sharma, Vinod Mishra, Kamal K. Pant, Amit K. Agarwal, Daewook Kim, S. Wazed Ali, and Gufran S. Khan, Functionalization of SPION nanoparticle with malic acid for the development of superfinish optical surface, Optics & Laser Technology 161 (2023): 109191.

27. Rajbir Singh, Rohit Sharma, Vinod Mishra, K. K. Prasad, Dali Ramu Burada, and Gufran S. Khan, Investigations on Post Processing of a 3D-Printed Aspheric Lens using Ultra-Precision Diamond Turning, Optical Fabrication and Testing, pp. OTu3B-5. Optica Publishing Group,(2023).

28. Md Amir, Rohit Sharma, Vinod Mishra, Arpit Gupta, S. Wazed Ali, and Gufran S. Khan, Surface Modification of SPION-Nanoabrasive for Superfinish Optical Polishing, Optical Fabrication and Testing, pp. OW4B-4. Optica Publishing Group, (2023).

29. K. K.Prasad, Rohit Sharma, Vinod Mishra, Rajbir Singh, Dali R. Burada, and Gufran S. Khan, Development of Micro-structures on Curved Optical Surfaces using Ultra-Precision Machining, Optical Fabrication and Testing, pp. OTu3B-3. Optica Publishing Group, (2023).

30. Avijit Prakash, Arpit Gupta, Dali R. Burada, and Gufran S. Khan, Investigations on Performance Parameters of Phakic Intraocular Lens using a Wavefront Sensor, In Bio-Optics: Design and Application, pp. DM2A-7. Optica Publishing Group, (2023).

31. Deblina Sabui, Sourish Chatterjee, Vinod Mishra, Biswanath Roy, and Gufran S. Khan. "Compact monolithic freeform Fresnel receiver front-end for Li-Fi application: A step forward." Proc. SPIE 12798, International Optical Design Conference 2023, pp. 7-8. (SPIE, 2023).

2022

32. Vivek Rastogi, Varun Kumar, Satish Kumar Dubey, Gufran S. Khan, and Chandra Shakher, Volume phase holographic grating based digital holographic interferometer for temperature measurement of human hand skin, Proc. SPIE 2480, Optical Technology and Measurement for Industrial Applications Conference, ,Yokohama, Japan (December , 2022)

33. L. M.Pant, M. P. Singh, Kanchan Chandra, Vinod Mishra, Neeraj Pandey, K. K. Pant, Gufran S. Khan, Chandra Sakher, Development of cubic freeform optical  surface for wavefront coding applications for extended depth of field Infrared camera, Infrared Physics & Technology 127 (2022) :104377

34. L. M.Pant, Kamal K. Pant, Dali R. Burada, Vinod Mishra, Gufran S. Khan, and Chandra Shakher, Intrinsic surface feature-based techniques for correction of lateral misalignments during stitching process for freeform profile, Journal of Optics (2022): 1-13.

35. Deblina Sabui, Sourish Chatterjee, Avijit Prakash, Biswanath Roy, Gufran S. Khan, "An improved angular diversity receiver structure for indoor VLC system using off-axis freeform optics," Proc. SPIE 12216, Novel Optical Systems, Methods, and Applications XXV, 122160V, San Diego California (3 October 2022)

36. Md Amir, V. Mishra, R. Sharma, S. Wazed Ali, Gufran S. Khan, Polishing Performance of Magnetic Nanoparticles based Nanoabrasive for Superfinish Optical Surface, Applied Optics 61 (2022) 5179-5188

37. Md Amir, Vinod Mishra, Rohit Sharma, S. Wazed Ali, Gufran S. Khan, Polishing Performance of Recyclable and Reusable SiO2 Magnetic Nanoparticle-based Polishing-abrasive, Material Todays Proceeding 60 (2022) 773-776

38. Deblina Sabui, Sourish Chatterjee, Avijit Prakash, Biswanath Roy, Gufran S. Khan, Design of an off-axis freeform diversity receiver to improve SINR performance of a multi-cell VLC system, Optics Communications (2022) 510, 127937

39. Md Amir, R. Sharma, V. Mishra, S. Wazed Ali, Gufran S. Khan, Polishing Performance of Magnetic Nanocomposites based Nano abrasive, Material Todays Proceeding 56 (1) 549-554 (2022)

40. PK Baghel, KS Gavel, Gufran S. Khan, R. Kumar, Line contact ring magnetorheological finishing process for precision polishing of optics, Applied Optics 61 (10), 2582-2590, (2022)

41. V Rastogi, V Kumar, SK Dubey, Gufran S. Khan, C Shakher, Noncontact temperature measurement of human hand skin using volume phase holographic optical element based digital holographic interferometer, Optics and Lasers in Engineering ,151, 106886(2022)

2021

42. Sourish Chatterjee, Deblina Sabui, Gufran S. Khan, Biswanath Roy, Signal to interference plus noise ratio improvement of a multi‐cell indoor visible light communication system through optimal parameter selection complying lighting constraints, Transactions on Emerging Telecommunications Technologies 32, (10), e4291 (2021)

43. Md Amir, S.W. Ali, A. Baykal, Gufran S. Khan, Development of highly active, chemically stable and recyclable magnetic nanophotocatalyst based on plasmonic silver nanoparticles and photosensitive trans‐3‐(trans‐4‐imidazolyl) acrylic acid molecules, Appl. Organomet. Chem., 35 (6) (2021) e6229

44. V Rastogi, S Agarwal, SK Dubey, Gufran S. Khan, C Shakher, Measurement of Temperature and Temperature Fluctuations in Micro Flame by Digital Holographic Interferometry using Volume Phase Holographic Grating, Digital Holography and Three-Dimensional Imaging, Imaging and Applied Optics Congress (OSA 2021), Page Number: DTh5C. 3, Washington, DC United States (19–23 July 2021,)

45. A Gupta, Deblina Sabui, Gufran S. Khan, J Joseph, Effects of Variations in Refractive Index and Film Thickness on Multilayer Dielectric Mirror Performance, OSA Optical Design and Fabrication Congress 2021 (OSA 2021), Page Number:OTh2B.5, Washington, DC/United States (27 June–1 July 2021,)

46. Deblina Sabui, A Gupta, Gufran S. Khan, Error Estimation of High-Power Multilayer Dielectric Grating, OSA Optical Design and Fabrication Congress 2021 (OSA 2021),Page Number: OTh2B.6, Washington, DC/United States,(27 June–1 July 2021)

47. Md Amir, Vinod Mishra, S. Wazed Ali, Gufran S. Khan, Development of High Performance SPION Polishing Slurry for Precision Optical Polishing, OSA Optical Design and Fabrication Congress 2021, Page Number: OW2B.6, Washington, DC/United States (OSA 2021).

48. Vinod Mishra, Hishwinder Singh, Md Amir, Gufran S. Khan, Development of Tungsten Carbide Mold by Diamond Turning Process, OSA Optical Design and Fabrication Congress 2021 Page Number: JW1A.4, Washington, DC/United States (27 June–1 July 2021).

49. Md Amir, Vinod Mishra, S. Wazed Ali, Gufran S. Khan, Development of Reusable, Sustainable and High-Performance Polishing Slurry for Precision Optical Polishing, Indo-Australian Webinar on “Formulation and Characterization of Materials & Their Broad Applications for Sustainable Environment and Therapeutics” (FCMSET 2021), 2-12 March, 2021, New Delhi/India

50. V Rastogi, V Kumar, SK Dubey, Gufran S. Khan, C Shakher,Volume phase holographic grating based digital holographic interferometer for measurement of temperature distribution and temperature fluctuations in diffusion flames, Proc. SPIE 11782, Optical Measurement Systems for Industrial Inspection XII , 91-98 , (20 June 2021)

2020

51. Deblina Sabui, Gufran S. Khan, Recent trends of subwavelength structured surfaces for optical applications: A review, Asian Journal of Physics,volume 29/10-12, (2020)

52. Vinod Mishra, Dali R. Burada, V. Karar, S. Jha Khan, Gufran S. Khan, Investigations on flexible pad polishing for nano-finishing of freeform optics mold, Journal of Micromanufacturing ,3 (2), 99-112(2020)

53. Vinod Mishra, Deblina Sabui, Dali R. Burada, V. Karar, S. Jha Khan, Gufran S. Khan, Experimental investigations on slow tool servo process parameters for freeform optics machining, Materials and Manufacturing Processes, 35 (7), 797-810, (2020).

54. Vivek Rastogi, S Agarwal, SK Dubey, Gufran S. Khan, C Shakher, Design and development of volume phase holographic grating based digital holographic interferometer for label-free quantitative cell imaging, Applied Optics 59 (12), 3773-3783 (2020).

55. U Griesmann, JA Soons, Gufran S. Khan, A Toolbox for Isophase-Curvature Guided Computation of Metrology Holograms, Journal of Research of the National Institute of Standards and Technology (2020).

56. V Mishra, Deblina Sabui, TP Yuvaraj, DR Burada, V Karar, Gufran S. Khan, Fabrication and characterization of diffractro-freeform optics, Proc. SPIE 11487, Optical Manufacturing and Testing XIII, 220-226, (20 August 2020)

57. Deblina Sabui, TP Yuvaraj, V Mishra, A. Gupta, Gufran S. Khan, C Shakher, A Taguchi based performance predictive optimization model to design broadband anti reflector, Proc. SPIE 11483,  Novel Optical Systems, Methods, and Applications XXIII 110-120, (21  August 2020)

58. TP Yuvaraj, D Sabui, V Mishra, Gufran S. Khan, C Shakher, Novel volume holographic grating-based spectrum-splitting concentrator for hybrid solar system, Proc. SPIE 11495,  Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVII, 124-134, (20 August 2020)

2019

59. Vinod Mishra, Dali R. Burada, Kamal K. Pant, V. Karar, S. Jha Khan, Gufran S. Khan “Form error compensation in the slow tool servo machining of freeform optics” The International Journal of Advanced Manufacturing Technology, (2019). doi.org:10.1007/s00170-019-04359-w

60. Dali R. Burada, Kamal K. Pant, Vinod Mishra, Mohamed Bichra, Gufran S. Khan, Stefan Sinzinger, Chandra Shakher, “Development of a metrology technique suitable for in situ measurement and corrective manufacturing of freeform optics. Advanced Optical Technologies, Vol.8 (3),(2019)

61. Md. Amir, Deblina Sabui, S. Wazed Ali, Gufran S. Khan, Development of an Optical Diffuser Based on Rayleigh Scattering to Artificially Reproduce the Natural Light and Visual Appearance, International Conference on Optics & Electro-Optics, XLIII Symposium of Optical Society of India, abstract no, OTF-OP-09, pages no 399, , Dehradun/India (October 2019)

62. Deblina Sabui, Vinod Mishra, MP Singh, and Gufran S. Khan, Complete characterization of diamond turned aspheric surface, International Conference on Optics & Electro-Optics, XLIII Symposium of Optical Society of India, pages no 336, , Dehradun/India (October 2019)

63. L MohanPant, KK Pant, Dali R Burada, A Ghosh, Gufran S. Khan, C Shakher, High resolution measurement of freeform wavefront by using self-imaging based sensor, Proc. SPIE 11056, Optical Measurement Systems for Industrial Inspection XI , 1077-1083 (21 June 2019)

64. Kamal K Pant, Dali R Burada, Vinod Mishra, LM Pant, Amitava Ghosh, Gufran S. Khan, Stefan Sinzinger, Chandra Shakher, Intrinsic surface feature based sub aperture stitching of freeform wavefront, Proc. SPIE 11057, Modeling Aspects in Optical Metrology VII, 37-46 (21 June 2019)

65. V Mishra, Dali R Burada, KK Pant, V Karar, S Jha, Gufran S. Khan, Freeform optics alignment strategy and its effect on development of precision freeform optics, Proc. SPIE 11056, Optical Measurement Systems for Industrial Inspection XI 11056, 1117-1124, (21 June 2019)

66. A Dwivedi, KK Pant, Dali R Burada, Gufran S. Khan, A Sharma, Error estimation due to approximations in Shack-Hartmann sensor based measurement of high slope freeform wavefront, Proc. SPIE 11057, Modeling Aspects in Optical Metrology VII 11057, 320-330, (21 June 2019)

67. Dali R. Burada, KK Pant, V Mishra, A Dwivedi, LM Pant, Gufran S. Khan, C Shakher, Metrology techniques for ultra-precision diamond turned freeform optics, OSA Optical Design and Fabrication Congress 2019 (OSA 2019), Freeform Optics, Page Number: JW2A. 4, (OSA 2019)

2018

68. Kamal K. Pant, Dali R Burada, Mohamed Bichra, Amitava Ghosh, Gufran S. Khan, Stefan Sinzinger, and Chandra Shakher, “Weighted Spline based Integration for Reconstruction of Freeform Wavefront” Appl. Opt. 57 , 1100-1109 (2018)

69. Vinod Mishra, Dali R. Burada, Vinod Karar, Alakesh Manna, Gufran S. Khan, Development of flexible pad polishing for freeform surface, In Frontiers in Optics, pp. FM3D-4. Optica Publishing Group,(2018).

70. Pant, Kamal K., Dali R. Burada, Amitava Ghosh, Gufran S. Khan, Chandra Shakher, Improved subaperture stitching for the measurement of freeform wavefront, In Laser Science, pp. JW4A-9. Optica Publishing Group, (2018).

71. Burada, Dali R. Burada, Kamal K. Pant, Vinod Mishra, Mohamed Bichra, Gufran S. Khan, Stefan Sinzinger, Chandra Shakher, Development of an In-situ Metrology Technique for Freeform Optics, In Laser Science, pp. JTu3A-11. Optica Publishing Group, (2018).

2017

72. Varun Kumar, Gufran S. Khan, Chandra Shakher, “Phase contrast imaging of red blood cells using digital holographic interferometric microscope”, Proc SPIE 10453, Third international conference on Applications of Optics and Photonics, 104532T, (22 August 2017)doi: 10.1117/12.2276335;

73. Dali R. Burada, Kamal K. Pant, Mohamed Bichra, Gufran S. Khan, S. Sinzinger, and Chandra Shakher, “ Experimental investigations on characterization of freeform surface by using Shack Hartmann Sensor.’’ Optical Engineering 56 (8), 084107 (2017)

74. Dali R. Burada, Kamal K. Pant, Vinod Mishra, Mohamed Bichra, Gufran S. Khan, Stefan Sinzinger, and Chandra Shakher; “Development of metrology for freeform optics in reflection mode”, Proc. SPIE 10329, Optical Measurement Systems for Industrial Inspection X, 103291K, (June 26, 2017); doi:10.1117/12.2270284

75. Lalit M Pant, Gufran S. Khan, A Ghosh, Chandra Shakher “A simulation study for wavefront estimation using artificial neural netwroks on self imaging based wavefront sensor” ICAOP2017: XLI Conference of Optical Society of India, International Conference on Advances Optics and Photonics at Guru Jambheshwar University of Science and Technology , Hisar, Haryana, 23.11- 26.11.(2017)

76. Kamal K. Pant, Dali R. Burada, Gufran S. Khan, A Ghosh , Chandra Shakher “Investigations on Spline based integration for reconstruction of freeform wavefront” ICAOP2017: XLI Conference of Optical Society of India, International Conference on Advances Optics and Photonics at Guru Jambheshwar University of Science and Technology , Hisar, Haryana, 23.11- 26.11.(2017)

77. Vinod Mishra, Rohit Sharma, Neha Khatri, Harry Garg, Vinod Karar, Gufran S. Khan and Ramagopal V Sarepaka “Processing of Polycarbonate by Ultra-Precision Machining for Optical Applications” accepted in Materials Today: Proceedings 2017, Elsevier

78. Vinod Mishra, V. Karar, Sunil Jha, and Gufran S. Khan, "Analysis of surface roughness in slow tool servo machining of freeform optics," ELK Asia Pacific Journals-978-93-85537-06-6 ARIMPIE-(2017)

79. Vinod Mishra, Kamal K. Pant, Dali R. Burada, V. Karar, Gufran S. Khan, and Sunil Jha, "Generation of freeform surface by using slow tool servo," in Optical Design and Fabrication 2017 (Freeform, IODC, OFT), OSA Technical Digest (online) (Optical Society of America, 2017), paper FTh3B.2

2016

80. Ashish Dwivedi, Gufran S. Khan, and Anurag Sharma, “Design and evaluation of laser spot illuminator for a laser projection engine design,” Opt. Eng. 55(11), 115102 (2016).

81. Dali R. Burada, Kamal K. Pant, Mohamed Bichra, Gufran S. Khan, Stefan Sinzinger, Chandra Shakher ‘‘Measurement of freeform optics in reflection mode by using a scanning wavefront Sensor’’, ICLLT2016/076: XL Conference of Optical Society of India, International Conference on Optics and Photonics, Tezpur University(A Central University), Assam, India ,26-28.11.(2016)

82. Mohamed Bichra, N.Sabitov, Kamal K. Pant, Dali R. Burada, Gufran S. Khan, Stefan Sinzinger, Subaperture wavefront measurement using Talbot interferometry'' DGaO-Proceedings 2016,ISSN: 1614-8436 – urn:nbn:de:0287-2016-B022-8,08-17.08.2016

2015

83. Kamal K. Pant, Dali R. Burada, Mohamed Bichra, Mahendra P. Singh, Amitava Ghosh, Gufran S. Khan, Stefan Sinzinger, and Chandra Shakher, “Subaperture stitching for measurement of freeform wavefront.” Appl. Opt. 54, 10022-10028 (2015).

84. Manoj Kumar, Shilpi Agarwal, Varun Kumar, Gufran S. Khan, and Chandra Shakher, "Experimental investigation on butane diffusion flames under the influence of magnetic field by using digital speckle pattern interferometry," Appl. Opt. 54, 2450-2460 (2015).

85. Manoj Kumar, Gufran S. Khan, Chandra Shakher, Measurement of elastic and thermal properties of composite materials using digital speckle pattern interferometry. Proc. SPIE 9660, SPECKLE 2015: VI International Conference on Speckle Metrology, 966011 (August 24, 2015); doi:10.1117/12.2196390.

86. Kamal K. Pant, S. Kamboj, Gufran S. Khan, A. Ghosh, and Chandra Shakher, “High Speed Bonnet Polishing of Aspheric Optics for Infrared Imagng Applications” Asian Journal of Physics 24/3 (2015).

87. Gufran S. Khan, Kamal K. Pant, Mohamed Bichra, Dali R. Burada, Stefan Sinzinger, and Chandra Shakher, "Non-Null Technique for Measurement of Freeform Wavefront using Stitching Approach," in Imaging and Applied Optics 2015, OSA Technical Digest (online) Optical Society of America, (2015), paper FTh2B.3.

88. Mohamed Bichra, S. Chandra, Gufran S. Khan, Dali R. Burada, Stefan Sinzinger, and Kamal K. Pant, "Investigations on sub-aperture stitching approach for testing freeform optics," in Imaging and Applied Optics 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper JT5A.12.

89. Kamal K. Pant, Dali R. Burada, Mohamed Bichra, Gufran S. Khan, Stefan Sinzinger, A Ghosh, Chandra Shakher “Subaperture stitching for measurement of freeform wavefront using scanning Shack Hartman Sensor’’ICOP2015: XXXIX Conference of Optical Society of India, International Conference on Optics and Photonics at University of Calcutta,Kokata,20-22.02.2015

90. Dali R. Burada, Kamal K. Pant, Mohamed Bichra, Gufran S. Khan, Stefan Sinzinger, Chandra Shakher, ‘‘Shack-Hartmann Sensor Based Freeform Surface Metrology’’, ICOP2015: XXXIX Conference of Optical Society of India, International Conference on Optics and Photonics at University of Calcutta,Kokata,20-22.02.2015

2014

91. Vinod Mishra, Gufran S. Khan, K.D. Chattopadhyay, K. Nand, and S.V. RamaGopal, “Effects of tool overhang on selection of maching parameters and surface finish during diamond turning” Measurement 55 (2014) 353-361.

92. Manoj Kumar, Shilpi Agarwal, Varun Kumar, Gufran S. Khan and Chandra Shakher, “Influence of Magnetic Field on Gaseous Flames using Digital Speckle Pattern Interferometry and Riesz Transform” Applied Industrial Optics: Spectroscopy, Imaging and Metrology: Imaging and Applied Optics Congress © OSA 2014, Seattle, Washington, USA, July 13-17, 2014. [doi: 10.1364/AIO.2014.AW4A.4] [ISBN: 978-1-55752-308-2]

93. Manoj Kumar, Shilpi Agarwal, Varun Kumar, Gufran S. Khan and Chandra Shakher, “Study the Effect of Magnetic Field on Gaseous Flames using Digital Speckle Pattern Interferometry”, AIP Conf. Proc. 1620, 273-281 (2014), Optics’14, International Conference on Light, held at NIT Calicut on March 18-21, 2014. http://dx.doi.org/10.1063/1.4898253. [0094-243X]

94. Gufran S. Khan, Mohamed Bichra, Dali R. Burada, K. Pant, Stefan Sinzinger ‘‘On the precise metrology of freeform optics: A comparative study of different methods’’ ICOL2014:XXXVIII Conference of Optical Society of India, International Conference on Optics and Optelectronics,IRDE Dehradun,5-8.3.2014

95. Ashish Dwivedi, Gufran S. Khan and Anurag Sharma “ Design and evaluation of freeform optical element for LED light Collection and redirection” ICOL2014:XXXVIII Conference of Optical Society of India, International Conference on Optics and Optelectronics,IRDE Dehradun,5-8.3.2014

2013

96. M. Kumar, Varun Kumar, Gufran S. Khan, and Chandra Shakher “Measurement of Temperature and Temperature Profile of Axi-symmetric Butane Torch Burner Flame using Digital Speckle Pattern Interferometry”, in Fringe 2013 proccedings, 7th International Workshop on Advanced Optical Imaging & Metrology (2013)

97. Mohamed Bichra, Gufran S. Khan, and Stefan Sinzinger, " Freeform Optics at the Ilmenau University of Technology: design, fabrication, and metrology ," in International Conference of Optics (ICO) 2013, University of Setif, Algeria

98. Dwivedi, S. K. Tiwari, Gufran S. Khan, A. Sharma and Chandra Shakher“Design and evaluation of illumination system for pocket projector using single element freeform optics with fly eye integrator”, in DGaO 2013 proceedings, http://www.dgao-proceedings.de/download/114/114_a8.pdf

99. Gufran S. Khan, Mohamed Bichra A. Grewe, N. Sabitov, K. Mantel, I. Harder, A. Berger, N. Lindlein,, and Stefan Sinzinger, "Metrology of freeform optics using diffractive null element in Shack-Hartmann Sensor ," in 3rd EOS Conference on Manufacturing of Optical Components 2013, May 13-15, Munich, Germany

2010

100. Gufran S. Khan, M. Gubarev, C. Speegle and Brian Ramsey, “Computer-Controlled Cylindrical Polishing Process for Large X-Ray Mirror Mandrels” Proc SPIE 7802 (2010).

101. Gufran S. Khan, M. Gubarev, C. Speegle, and B. Ramsey, "Deterministic Computer-Controlled Polishing Process for High-Energy X-Ray Optics," in Optical Fabrication and Testing, OSA Technical Digest (CD) (Optical Society of America, 2010), paper OThB2

102. Gufran S. Khan, M. Gubarev, C. Speegle, and B. Ramsey, "Design Considerations of Polishing Lap for Computer-Controlled Polishing Cylindrical Polishing Process," in DGaO 2010 proceedings Germany, ,http://www.dgao-proceedings.de/download/111/111_a1.pdf

2009

103. Gufran S. Khan, M. Gubarev, William Arnold and B. Ramsey, “Development of a Computer-Controlled Polishing Process for X-Ray Optics”, Proc SPIE 7437, (2009) 743710.

104. Gufran S. Khan, M. Gubarev, William Arnold and B. Ramsey, “Design Considerations of Polishing Lap for Computer-Controlled Cylindrical Polishing Process”, International Workshop on Astronomical X-Ray Optics, December 6-10, 2009, Prague

2008

105. R.V. Sarepaka, Gufran S. Khan, S. K. Dubey, V. Mishra, G. S. Singh, K. D. Chattopadhyay, A. K. Biswas, L. M. Kukreja, “Fabrication and characterisation of aspheric resonator mirror for high-power CO2 laser” Frontiers in Optics OSA 92nd Annual Meeting, October 19-23,2008,Rochester, New York, USA

2007

106. Gufran S. Khan, K. Mantel, I. Harder, N. Lindlein, and J. Schwider “Design Considerations for the Absolute Testing Approach of Aspherics using Combined Diffractive Optical Elements” Appl. Opt. 46 (2007) 7040-7048.

107. Gufran S. Khan, K. Mantel, I. Harder, N. Lindlein, and J. Schwider “Design criteria for Combined Diffractive Optical Elements for Quasi-Absolute Testing of Aspheres” Frontiers in Optics OSA 91st Annual Meeting, September 16-20,2007, San Jose, California, USA

2006

108. Simon, F., Gufran S. Khan, K. Mantel, N. Lindlein, J. Schwider “Quasi-absolute measurements of Aspheres with a Combined-Diffractive Optical Element as reference”, Appl. Opt. 45, 8606-8612 (2006).

109. Gufran S. Khan, K. Mantel, N. Lindlein, and J. Schwider “Combined Diffractive Optical Elements for Quasi-Absolute Testing of Aspheres” Frontiers in Optics, Optical Fabrication and Testing Topical Meeting, 2006 (Optical Society of America, Washington, D.C.,USA 2006) OFTuB3.

110. Gufran S. Khan, K. Mantel, N. Lindlein, and J. Schwider “Improved Combined Diffractive Optical Elements for quasi absolute testing of Aspherics”, in DGaO 2006 proceedings, Germany, http://www.dgao-proceedings.de/download/107/107_b12.pdf

111. Gufran S. Khan, K. Mantel, E. Geist, N. Lindlein, and J. Schwider “Quasi-absolute interferometric test for toroidal surfaces by using Combined Diffractive Optical Elements”, in DGaO 2006 proceedings, Germany, http://www.dgao-proceedings.de/download/107/107_p43.pdf

2005

112. Gufran S. Khan, K. Mantel, N. Lindlein, J. Schwider “Quasi-absolute testing of aspherics using Combined Diffractive Optical Elements”, in Fringe 2005 proccedings, 5th International Workshop on Automatic Processing of Fringe Patterns (2005)432-435

2004

113. Gufran S. Khan, S. V. RamaGopal, K. D. Chattopadhyay, P. K. Jain and R. P. Bajpai, “Characterization of nanoscale roughness in single point diamond turned optical surfaces using power spectral density” Ind. J. Eng. & Mat. Sci. 11 (2004) 25-30.

114. Gufran S. Khan, K. Mantel, N. Lindlein, and J. Schwider “Testing aspherical surfaces in interferometric setup: Analysis and removal of alignment errors”, in DGaO 2005 proceedings Germany.

115. Gufran S. Khan, S V RamaGopal, K D Chattopadhyay, P K Jain, and R P Bajpai “Frequency Analysis of Nanoscale Roughness Formation in Single Point Diamond Turned Optical Surfaces” in International Conference on Optoelectronics Technology, ICOT-04, organized at North Maharashtra University, Jalgaon, January 12-14, 2004

116. Pangtey, R S, G. S. Singh, Gufran S. Khan, S V RamaGopal & P K Jain “Design and development of Telemicroscope as a low vision aid for distant vision using plastic Aspheric lenses” in International Conference on Optoelectronics Technology, ICOT-04, organized at North Maharashtra University, Jalgaon, January 12-14, 2004

2003

117. Gufran S. Khan, S. V. RamaGopal, K. D. Chattopadhyay, P. K. Jain and V. M. L. Narasimham, “Effects of Tool Feed Rate in Single Point Diamond Turning of Aluminium 6061 Alloy” Ind. J. Eng. & Mat. Sci. 10 (2003) 123-130.

118. Gufran S. Khan, S V RamaGopal, K D Chattopadhyay, P K Jain, V M L Narasimham “Effects of Tool Feed Rate in Single Point Diamond Turning of Aluminium 6061 Alloy” in Conference on Optics and Photonics in Engineering, COPE-03 at NSIT, New Delhi, January 6-8, 2003.

119. Gufran S. Khan, S V RamaGopal, G. S. Singh, P K Jain, V M L Narasimham “Aspheric Optics Testing : A Review” in Conference on Optics and Photonics in Engineering, COPE-03 at NSIT, New Delhi, January 6-8, 2003.

120. Gufran S. Khan, G.S. Singh , S V RamaGopal, K D Chattopadhyay, P K Jain, V M L Narasimham “Job RPM Vs Surface Quality in Single Point Diamond Turning of Aluminium 6061 Alloy for Optical Surface Generation” in Conference on Optics and Photonics in Engineering, COPE-03 at NSIT, New Delhi, January 6-8, 2003.

121. Pangtey, R S, Ranabir Mandal, Gufran S. Khan, S V RamaGoal, P K Jain, V. M. L. Narasimham “Optimum machining parameters vs optical surface quality for various materials during single point diamond turning” in Conference on Optics and Photonics in Engineering, COPE-03 at NSIT, New Delhi, January 6-8, 2003.

2002

122. S. V. RamaGopal, Gufran S. Khan, P. K. Jain, V. M. L. Narasimham “Design & Development of Low-Vision Aids (Plastic Aspheric Lenses) For Near-Vision” in National Seminar on Instrumentation & Information Technology for Disabled, CSIO Chandigarh, March 22-23, 2002.

2001

123. Nishchal, N. K., Gufran S. Khan, J. Joseph, and Kehar Singh “Fractional Fourier transform and some of its applications in optics” in Proc. of Nat. Conf. on Laser and its Applications, Dibrugarh, Assam (2001) 8-18.

124. Gufran S. Khan, N. K. Nishchal, J. Joseph, and K. Singh “Fractional Fourier Transform and its applications; A bibliographic review ”, Asian Journal of Physics 10 /2 (2001) 251-299.