Asian Journal of Physics Vol. 30 Nos 10 & 11 (2021) 1409-1419

Working with Pramod: A quarter century journey
E Hack


Abstract

This contribution reflects the work of Pramod Rastogi through the eyes of a Swiss colleague who had the privilege and pleasure to collaborate and interact with Pramod for a quarter century. © Anita Publications. All rights reserved.
Keywords: Speckle pattern interferometry, Optical methods, Phase estimation, Digital technique.


Peer Review Information
Method: Single- anonymous; Screened for Plagiarism? Yes
Buy this Article in Print © Anita Publications. All rights reserved

References

  1. Rastogi P K, Guest Editorial: Optics in Switzerland .Part 1. Federal-Institutes-of-Technology, Opt Eng, 34(1995)1863-1869.
  2. Rastogi P K, Optics in Switzerland. Part 2. Universities and Research Institutes, Opt Eng, 34(1995)2274-2276.
  3. Rastogi P K, Optics in Switzerland. Part 3. Industries and Observatories, Opt Eng, 34(1995)2648-2650.
  4. Rastogi P K, Gyímesi FE, Füzessy ZF. International conference on applied optical metrology: SPIE; 1998.
  5. Rastogi P K, Hack E, International conference on advanced phase measurement methods in optics and imaging. : Monte Verità, Ascona, Switzerland 16-21 May 2010. Melville, N.Y.: American Institute of Physics; 2010.
  6. Zdora M C, Zanette I, Zhou T, Koch F J, Romell J, Sala S, Last A, Ohishi Y, Hirao N, Rau C, Thibault P, At-wavelength optics characterisation via X-ray speckle- and grating-based unified modulated pattern analysis, Opt Express, 26(2018)4989-5004.
  7. Rastogi P K, Hack E, Optical methods for solid mechanics : a full-field approach, (Weinheim: Wiley-VCH); 2012. xvi, 2012. pp 433.
  8. Hack E, Lampeas G, Advances in validation of computational mechanics models, J Strain Anal Eng, 51(2016)3-4.
  9. Hack E, Patterson E, Siebert T, Thalmann R, Calibration and validation of full-field techniques, EPJ Web Conf, 6(2010), Art Hack E, Patterson E, Siebert T, Thalmann R, Calibration and validation of full-field techniques, Epj Web Conf, 6(2010), 46003; doi.org/10.1051/epjconf/20100646003.
  10. Sirohi R S (ed), Selected papers on speckle metrology, Bellingham, Wash., USA: SPIE Optical Engineering Press; 1991.
  11. Sirohi R S, Hinsch K D (eds), Selected papers on holographic interferometry : principles and techniques, Bellingham, Wash.: SPIE Optical Engineering Press, 1998.
  12. Rastogi P K, Speckle and speckle shearing interferometry .2. At the threshold of a new era, Opt Laser Eng, 26(1997)279-282.
  13. Rastogi P K, Speckle and speckle shearing interferometry .1. A tribute to the late professor John N. Butters on the eve of the twenty-fifth anniversary of the ESPI, Opt Laser Eng, 26(1997)83-86.
  14. Hack E, Gundu P N, Rastogi P, Adaptive correction to the speckle correlation fringes by using a twisted-nematic liquid-crystal display, Appl Opt, 44(2005)2772-2781.
  15. Gundu P N, Hack E, Rastogi P K, Improved superresolution with dynamic complex filters, Proc SPIE, Vol 5557 (2004)303-308.
  16. Gundu P N, Hack E, Rastogi P, High efficient superresolution combination filter with twin LCD spatial light modulators, Opt Express, 13(2005)2835-2842.
  17. Gundu P N, Hack E, Rastogi P, Adaptive optics interferometer using superspeckles for high resolution deformation measurement, Opt Commun, 278(2007)382-386.
  18. Iwaniuk D, Hack E, Rastogi P, Generation of a high depth of focus with constant transversal spot size using a phase-only pupil filter, J Mod Opt, 57(2010)2141-2146.
  19. Iwaniuk D, Rastogi P, Hack E, Correcting spherical aberrations induced by an unknown medium through determination of its refractive index and thickness, Opt Express, 19(2011)19407-19414.
  20. Hampson K M, Turcotte R, Miller D T, Kurokawa K, Males J R, Ji Na, Booth M J, Adaptive optics for high-resolution imaging, Nat Rev Methods Primers, 1, 68 (2021); doi.org/10.1038/s43586-021-00066-7.
  21. Langoju R, Patil A, Rastogi P, Phase-shifting interferometry in the presence of nonlinear phase steps, harmonics, and noise, Opt Lett, 31(2006)1058-1060.
  22. Langoju R, Patil A, Rastogi P, Super-resolution Fourier transform method in phase shifting interferometry, Opt Express, 13(2005)7160-7173.
  23. Patil A, Rastogi P, Moving ahead with phase, Opt Laser Eng, 45(2007)253-257.
  24. Patil A, Rastogi P, Subspace-based method for phase retrieval in interferometry, Opt Express, 13(2005)1240-1248.
  25. Patil A, Rastogi P, Estimation of multiple phases in holographic moire in presence of harmonics and noise using minimum-norm algorithm, Opt Express, 13(2005)4070-4084.
  26. Patil A, Langoju R, Rastogi P, Ramani S, Statistical study and experimental verification of high-resolution methods in phase-shifting interferometry, J Opt Soc Am A, 24(2007)794-813.
  27. Abhijit P, Langoju R, Rastogi P, A state space approach in phase shifting interferometry, Opt Commun, 263(2006)281-288.
  28. Kulkarni R, Rastogi P, Fringe denoising and phase unwrapping, in Single and Multicomponent Digital Optical Signal Analysis: Estimation of phase and its derivatives (IOP Bristol), 2017.
  29. Kulkarni R, Gorthi S S, Rastogi P, Measurement of in-plane and out-of-plane displacements and strains using digital holographic moire, J Mod Opt, 61(2014)755-762.
  30. Kulkarni R, Rastogi P, Simultaneous measurement of in-plane and out-of-plane displacements using pseudo-Wigner-Hough transform, Opt Express, 22(2014)8703-8711.
  31. Kulkarni R, Rastogi P, Phase derivative estimation from a single interferogram using a Kalman smoothing algorithm, Opt Lett, 40(2015)3794-3797.
  32. Kulkarni R, Rastogi P, Estimation of phase derivatives using discrete energy separation algorithm in digital holographic interferometry, Opt Lett, 39(2014)3722-3724.
  33. Kulkarni R, Rastogi P, Iterative signal separation based multiple phase estimation in digital holographic interferometry, Opt Express, 23(2015)26842-26852.
  34. Kulkarni R, Rastogi P, Digital holographic moire for the direct and simultaneous estimation of strain and slope fields, Opt Express, 22(2014)23192-23201.
  35. Kulkarni R, Rastogi P, Simultaneous estimation of phase derivative and phase using parallel Kalman filter implementation, Meas Sci Technol, 27(2016) Art. 065203; doi.org/10.1088/0957-0233/27/6/065203.
  36. Kulkarni R, Rastogi P, Matrix pencil based phase derivative estimation in digital holographic interferometry, J Optics, 17(2015) Art. 045604; doi.org/10.1088/2040-8978/17/4/045604.
  37. Gorthi S S, Rastogi P, Estimation of phase derivatives using discrete chirp-Fourier-transform-based method, Opt Lett, 34(2009)2396-2398.
  38. Gorthi S S, Rastogi P, Numerical analysis of fringe patterns recorded in holographic interferometry using high-order ambiguity function, J Mod Opt, 56(2009)949-954.
  39. Kulkarni R, Rastogi P, Fringe denoising algorithms: A review, Opt Laser Eng, 135(2020)106190; doi.org/10.1016/j.optlaseng.2020.106190.
  40. Gorthi S S, Rastogi P, Fringe projection techniques: Whither we are?, Opt Laser Eng, 48(2010)133-140.
  41. Rastogi P, Hack E, Phase Estimation in Optical Interferometry, (CRC Press), 2015.