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Prof. M.P.Kothiyal 's Profile


DESIGNATION
CURRENT RESEARCH INTEREST
 
Professor
Applied optics, Interferometry, Optical Instrumentation and testing
GROUP
PERSONAL HOME PAGE
 
   Recent Publications :
 
  1. Basanta Bhaduri, N. Krishna Mohan and M.P. Kothiyal 
    A comparative study of phase shifting algorithms in Digital Speckle Pattern Interferometry
    Optik (In- press, available online)

  2. S. K. Debnath and M. P. Kothiyal
    Experimental study of the phase-shift miscalibration error in phase-shifting interferometry:
    use of a spectrally resolved white-light interferometer
    Applied Optics 46, 5103-5109 (2007)

  3. Basanta Bhaduri, N. Krishna Mohan and M. P. Kothiyal 
    Simultaneous measurement of out-of-plane displacement and slope using multi-aperture DSPI system and
    fast Fourier transform
    Applied Optics 46, 23, 5680-5686(2007).

  4. Basanta Bhaduri, N. Krishna Mohan and M. P. Kothiyal 
    (1,N) spatial phase shifting technique in DSPI and DS for NDE
    Optical Engineering 46 , 5 051009-1-051009-7 (2007).

  5. Basanta Bhaduri, M.P. Kothiyal and N. Krishna Mohan 
    Digital speckle pattern interferometry (DSPI) with increased sensitivity: Use of spatial phase shifting
    Optics Communication 272 , 9–14 (2007)

  6. Basanta Bhaduri, N. Krishna Mohan, M. P. Kothiyal and R.S. Sirohi
    Use of spatial phase shifting technique in digital speckle pattern interferometry (DSPI) and digital shearography (DS)
    Optics Express 14 ,24 11598-11607 (2006).

  7. Basanta Bhaduri, N. Krishna Mohan and M.P. Kothiyal
    Cycle path digital speckle shear pattern interferometer: Use of polarizing phase shifting method
    Optical Engineering 45 , 105604 -1- 6 (2006)

  8. Basanta Bhaduri, N. Krishna Mohan and M.P. Kothiyal
    (5, N) phase shift algorithm for speckle and speckle shear fringe analysis in NDT
    Holography and Speckle 3 ,1 18-21 (2006)

  9. Basanta Bhaduri, N. Krishna Mohan and M.P. KothiyalA TV holo - shearography system for NDE
    Lasers in Engineering 16 , 93-104 (2006).

  10. Basanta Bhaduri, N. Krishna Mohan and M.P. Kothiyal
    A dual-function ESPI system for the measurement of out-of-plane displacement and slope
    Optics and Lasers in Engineering 44 , 637-644 (2006)

  11. S. K. Debnath, Nirmal K. V and M. P. Kothiyal
    Spectrally-resolved phase- shifting interferometry for accurate group velocity dispersion measurements
    Optics Letters 31 , 3098 -3100 (2006).

  12. S . K. Debnath and M. P. Kothiyal
    Improved optical profiling using spectral phase in spectrally resolved white light interferometry
    Applied Optics 45 , 6965 -6972 (2006)

  13. S. K. Debnath, M. P. Kothiyal, J, Schmit, P. Hariharan
    Spectrally resolved white -light phase -shifting interference microscopy for thickness -profile 
    measurements of transparent thin -film layers on patterned substrates
    Optics Express 14 , 4662 -4667 (2006)

  14. S. K. Debnath, M. P. Kothiyal Analysis of spectrally resolved white light interferometry by Hilbert Transform method 
    Proc. of SPIE, 6292, 62920P (2006)

  15. S. K. Debnath, M. P. Kothiyal, J, Schmit, P. Hariharan
    Spectrally resolved phase-shifting interferometry of transparent thin-films: sensitivity of thicknes measurements 
    Applied Optics 45 , 8636 -8640 (2006).

  16. Kaladevi Sendhil , C. Vijayan and M. P. Kothiyal
    Low threshold optical power limiting of cw laser illumination based on nonlinear 
    refraction in zinc tetraphenyl porphyrin
    Optics & Laser Technology,38, 512-515 (2006)

  17. B. Bhaduri , N. Krishna Mohan, M. P. Kothiyal
    A dual-function ESPI system for the measurement of out-of-plane displacement and slope
    Optics and Laser in Engineering,44, 637 -644(2006)

  18. Kaladevi Sendhil , C. Vijayan and M. P. Kothiyal
    Contrast reversal and enhancement of phase spot array/grid with an intensity dependent
    refractive index medium as phase filter
    Optics and Laser in Engineering,44, 122-120(2006)

  19. S. K. Debnath and M. P. Kothiyal
    Optical profiler based on spectrally resolved white light interferometry
    Opt. Eng., 44, 013606(1-5), (Jan. 2005).

  20. Kaladevi Sendhil , C. Vijayan and M. P. Kothiyal 
    Spatial phase filtering with a porphyrin derivative as phase filter in an optical image processor
    Optics Communications, 251, 292-298, (2005).

  21. Kaladevi Sendhil, C. Vijayan and M. P. Kothiyal
    Nonlinear optical properties of a porphyrin derivative incorporated in Nafion polymer
    Optical Materials, 27, 1606-1609, (2005).

  22. M. P. Kothiyal
    Interferomatric Surface Metrology with White Light 
    (Invited Talk), International Conference on Laser Applications and Optical Metrology (ICLAOM-03),
    Dec. 1-4, New Delhi,172-178 , (2003).

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