Prof. Rajpal S. Sirohi Profile

Prof. Rajpal S. Sirohi

Professor at Alabama A&M Univ

SPIE Involvement:

Education Committee | Membership & Communities Committee | Fellow status | Conference Program Committee | Journal Editorial Board Member | Author | Editor

Publications (41)

SPIE Journal Paper | August 16, 2013

Lateral shear interferometer using multiplexed holographic lenses and spatial Fourier transform: varying spectrum position and phase fluctuations

Joenathan, Charles , Bernal, Ashley , Sirohi, Rajpal

OE Vol. 52 Issue 08

KEYWORDS: Fourier transforms, Holography, Multiplexing, Interferometers, Holographic interferometry, Lenses, Wavefronts, Collimation, Monochromatic aberrations, Optical engineering

PROCEEDINGS ARTICLE | October 12, 2006

An improved achromatic half-wave plate phase shifter for white light interferometry

Proc. SPIE. 6382, Two- and Three-Dimensional Methods for Inspection and Metrology IV

KEYWORDS: Fringe analysis, Polarization, Interferometers, Polarizers, Wave plates, Phase interferometry, Optical interferometry, Jones calculus, Circular polarizers, Phase shifts

PROCEEDINGS ARTICLE | March 7, 2006

Compensation techniques in speckle interferometry

Proc. SPIE. 4101, Laser Interferometry X: Techniques and Analysis

KEYWORDS: Fringe analysis, Phase shifting, Polarization, Speckle, Sensors, Photography, Nondestructive evaluation, Speckle interferometry, Charge-coupled devices, Liquids

PROCEEDINGS ARTICLE | March 7, 2006

Polarization phase shifting in white-light interferometry

Proc. SPIE. 4101, Laser Interferometry X: Techniques and Analysis

KEYWORDS: Beam splitters, Phase shifting, Ferroelectric materials, Polarization, Interferometers, Fourier transforms, Interferometry, Phase interferometry, Optical interferometry, Phase shifts

PROCEEDINGS ARTICLE | May 30, 2003

Speckle shear photography using photorefractive crystals for in-plane strain measurement

Proc. SPIE. 5144, Optical Measurement Systems for Industrial Inspection III

KEYWORDS: Refractive index, Fringe analysis, Speckle, Image processing, Crystals, Photography, Semiconductor lasers, Speckle pattern, Laser crystals, Crystallography

PROCEEDINGS ARTICLE | August 30, 2002

Volume holographic lenses and their applications in white light imaging and concentration of solar energy

Proc. SPIE. 4924, Holography, Diffractive Optics, and Applications

KEYWORDS: Photovoltaics, Diffraction, Refractive index, Holograms, Holography, Solar energy, Modulation, Lenses, Solar cells, Volume holography

PROCEEDINGS ARTICLE | January 23, 2002

Volume hologram recording with an applied electric field and a moving grating in photorefractive crystals

Proc. SPIE. 4459, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage

KEYWORDS: Holograms, Holography, Modulation, Spatial frequencies, Energy transfer, Crystals, Gallium arsenide, Silver, Electro optics, Volume holography

SPIE Press Book | November 13, 2001

Selected Papers on Holographic Interferometry: Applications

PROCEEDINGS ARTICLE | September 25, 2001

Figure-of-merit parameter of photorefractive crystals

Proc. SPIE. 4417, Photonics 2000: International Conference on Fiber Optics and Photonics

KEYWORDS: Semiconductors, Refractive index, Ferroelectric materials, Crystals, Gallium arsenide, Diffusion, Silver, Electro optics, Crystallography, Electro optical modeling

SPIE Journal Paper | July 1, 2001

Analysis of spectrally resolved white light interferograms: use of phase shifting technique

Suja Helen, S. , Kothiyal, Mahendra , Sirohi, Rajpal

OE Vol. 40 Issue 07

KEYWORDS: Phase shifts, Phase shifting, Ferroelectric materials, Interferometers, Optical interferometry, Phase interferometry, Polarization, Spectroscopy, Calibration, Light sources

SPIE Journal Paper | August 1, 2000

Eosin dye soaked gelatin as a recording medium

Mangaiyarkarasi, D. , Palanisamy, P. , Sirohi, Rajpal

OE Vol. 39 Issue 08

KEYWORDS: Diffraction, Diffraction gratings, Absorption, Holography, Modulation, Molecules, Physics, Nd:YAG lasers, Helium neon lasers, Polymers

SPIE Journal Paper | February 1, 2000

Parametric study of photorefractive beam coupling in BaTiO3 at multiple wavelengths

Majles Ara, Mohammad , Vijayan, C. , Krishna Mohan, Nandigana , Sirohi, Rajpal

OE Vol. 39 Issue 02

KEYWORDS: Crystals, Laser crystals, Absorption, Spatial frequencies, Refractive index, Semiconductor lasers, Image processing, Crystallography, Electro optical modeling, Iron

PROCEEDINGS ARTICLE | November 11, 1999

Spectrally resolved white-light interferometry for profilometry with polarization phase shifter

Proc. SPIE. 3897, Advanced Photonic Sensors and Applications

KEYWORDS: Phase shifting, Polarization, Interferometers, Spectroscopy, Interferometry, Chromium, Phase interferometry, Profiling, Optical interferometry, Phase shifts

PROCEEDINGS ARTICLE | September 20, 1999

Real-time speckle shear photography using BaTiO3 for in-plane strain and displacement measurements at multiple wavelengths

Proc. SPIE. 3801, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications V

KEYWORDS: Moire patterns, Fringe analysis, Ferroelectric materials, Speckle, Image processing, Crystals, Photography, Nd:YAG lasers, Speckle pattern, Laser crystals

SPIE Journal Paper | September 1, 1999

Nondestructive assessment of thinning of plates using digital shearography

Sirohi, Rajpal , Tay, Cho , Shang, Huai , Boo, W.

OE Vol. 38 Issue 09

KEYWORDS: Nondestructive evaluation, Shearography, Interferometry, Charge-coupled devices, Fringe analysis, Phase shifts, Aluminum, Optical engineering, Defect detection, Speckle metrology

PROCEEDINGS ARTICLE | July 19, 1999

Collimation testing techniques: a review

Proc. SPIE. 3749, 18th Congress of the International Commission for Optics

KEYWORDS: Phase conjugation, Mirrors, Imaging systems, Interferometers, Interferometry, Wavefronts, Collimators, Collimation, Michelson interferometers, Diffraction gratings

PROCEEDINGS ARTICLE | April 29, 1999

Experimental characterization of photorefractive beam coupling in BaTiO3 crystal at multiple wavelengths

Proc. SPIE. 3729, Selected Papers from International Conference on Optics and Optoelectronics '98

PROCEEDINGS ARTICLE | April 29, 1999

Engineering applications of speckle phenomenon

Proc. SPIE. 3729, Selected Papers from International Conference on Optics and Optoelectronics '98

SPIE Journal Paper | November 1, 1998

Phase step calibration and phase measurement in image plane holography using BaTiO3 crystal as a recording medium

Suja Helen, S. , Majles Ara, Mohammad , Darlin, J. , Krishna Mohan, Nandigana , Kothiyal, Mahendra , Sirohi, Rajpal

OE Vol. 37 Issue 11

KEYWORDS: Crystals, Calibration, Fringe analysis, Phase measurement, Phase shifts, Laser crystals, Holography, Ferroelectric materials, Visualization, Diffraction gratings

PROCEEDINGS ARTICLE | September 29, 1998

Shear ESPI with small objects

Proc. SPIE. 3407, International Conference on Applied Optical Metrology

KEYWORDS: Beam splitters, Fringe analysis, Phase shifting, Speckle, Remote sensing, Interferometry, Nondestructive evaluation, Shearography, Photographic lenses, Michelson interferometers

PROCEEDINGS ARTICLE | September 29, 1998

Optical strain gauge

Proc. SPIE. 3407, International Conference on Applied Optical Metrology

KEYWORDS: Photodetectors, Diffraction, Doppler effect, Polarization, Speckle, Light scattering, Wave propagation, Solids, Velocity measurements, Beam propagation method

PROCEEDINGS ARTICLE | June 30, 1998

Versatile electronic speckle pattern interferometry

Proc. SPIE. 3478, Laser Interferometry IX: Techniques and Analysis

KEYWORDS: Fringe analysis, Modulation, Speckle, Cameras, Glasses, Interferometry, CCD cameras, Electronic components, Speckle pattern, Speckle interferometry

SPIE Journal Paper | May 1, 1998

Hybrid wedge plate-grating interferometer for collimation testing

Darlin, J. , Kothiyal, Mahendra , Sirohi, Rajpal

OE Vol. 37 Issue 05

KEYWORDS: Collimation, Interferometers, Interferometry, Fringe analysis, Spatial frequencies, Wavefronts, Optical engineering, Shearing interferometers, Ronchi rulings, Optical design

SPIE Press Book | February 25, 1998

Selected Papers on Holographic Interferometry: Principles and Techniques

PROCEEDINGS ARTICLE | March 20, 1997

Nondestructive evaluation of fiber-reinforced polymer composites by an all-fiber-optic phase-shifting electronic speckle pattern interferometer

Proc. SPIE. 2921, International Conference on Experimental Mechanics: Advances and Applications

KEYWORDS: Fringe analysis, Phase shifting, Fiber optics, Interferometers, Glasses, Composites, Nondestructive evaluation, Modulators, Speckle pattern, Fiber reinforced polymers

SPIE Press Book | December 13, 1996

Selected Papers on Electronic Speckle Pattern Interferometry: Principles and Practice

PROCEEDINGS ARTICLE | July 19, 1996

New simple ESPI configurations for deformation studies on large structures based on diffused reference beam

Proc. SPIE. 2861, Laser Interferometry VIII: Applications

KEYWORDS: Mirrors, Holography, Interferometers, Cameras, Image processing, Video, Interferometry, CCD cameras, Speckle pattern, Diffusers

PROCEEDINGS ARTICLE | July 17, 1996

Double shear speckle interferometry for curvature measurement

Proc. SPIE. 2860, Laser Interferometry VIII: Techniques and Analysis

KEYWORDS: Mirrors, Moire patterns, Fringe analysis, Modulation, Speckle, Interferometers, Photography, Physics, Interferometry, Speckle interferometry

PROCEEDINGS ARTICLE | May 8, 1995

Use of optical fiber strain sensor for damage detection in composite structures

Proc. SPIE. 2443, Smart Structures and Materials 1995: Smart Structures and Integrated Systems

KEYWORDS: Optical fibers, Beam splitters, Polarization, Birefringence, Sensors, Composites, Single mode fibers, Fiber optics sensors, Damage detection, Epoxies

PROCEEDINGS ARTICLE | December 12, 1994

Improved collimation testing with a multiple beam wedge plate lateral shear interferometer

Proc. SPIE. 2340, Interferometry '94: New Techniques and Analysis in Optical Measurements

KEYWORDS: Refractive index, Mirrors, Beam splitters, Fringe analysis, Interferometers, Wavefronts, Collimation, Spherical lenses, Visibility, Shearing interferometers

PROCEEDINGS ARTICLE | December 12, 1994

Deformation studies with BaTiO3 Crystal as a recording medium

Proc. SPIE. 2340, Interferometry '94: New Techniques and Analysis in Optical Measurements

KEYWORDS: Fringe analysis, Holography, Ferroelectric materials, Speckle, Crystals, Photography, Interferometry, Collimation, Laser crystals, Crystallography

SPIE Press Book | October 27, 1994

Selected Papers on Single-Mode Optical Fibers: Characteristics and Applications of Standard and Highly Birefringent Fibers

SPIE Journal Paper | June 1, 1994

Real-time speckle photography with two-wave mixing in photorefractive BaTi03 crystals

Sreedhar, P. , Krishna Mohan, Nandigana , Sirohi, Rajpal

OE Vol. 33 Issue 06

KEYWORDS: Crystals, Speckle, Photography, Laser crystals, Ferroelectric materials, Fringe analysis, Phase shifts, Optical filters, Modulation, Sensors

SPIE Journal Paper | June 1, 1994

Guest Editorial: Optical Science and Engineering in India

Sirohi, Rajpal

OE Vol. 33 Issue 06

KEYWORDS: Optics, Optical engineering, Physics, Radio optics, Optical metrology, Crystal optics, Glasses, Holography, Laser applications, Nonlinear optics

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SPIE Journal Paper | June 1, 1994

Separation of the influence of in-plane displacement in multiaperture speckle shear interferometry

Krishna Mohan, Nandigana , Masalkar, Prafulla , Murukeshan, Vadakke , Sirohi, Rajpal

OE Vol. 33 Issue 06

KEYWORDS: Speckle, Fringe analysis, Interferometry, Diffraction, Interferometers, Imaging systems, Photography, Moire patterns, Speckle pattern, Collimation

PROCEEDINGS ARTICLE | May 28, 1993

Electronic speckle pattern interferometry with holo-optical element

Proc. SPIE. 1821, Industrial Applications of Optical Inspection, Metrology, and Sensing

KEYWORDS: Interferometry, Speckle pattern

PROCEEDINGS ARTICLE | April 6, 1993

Design and fabrication of single-mode waveguides in glass by inverse ion exchange

Proc. SPIE. 1794, Integrated Optical Circuits II

KEYWORDS: Refractive index, Waveguides, Glasses, Ions, Diffusion, Single mode fibers, Wave propagation, Integrated optics, Planar waveguides, Photonic integrated circuits

SPIE Journal Paper | January 1, 1993

Self-referencing collimation testing techniques

Sriram, K. , Kothiyal, Mahendra , Sirohi, Rajpal

OE Vol. 32 Issue 01

KEYWORDS: Collimation, Fringe analysis, Moire patterns, Interferometry, Diffraction gratings, Shearing interferometers, Optical testing, Polishing, Physics, Laser interferometry

PROCEEDINGS ARTICLE | December 16, 1992

Fabrication of singlemode waveguide devices by inverse ion-exchange in glass

Proc. SPIE. 1622, Emerging Optoelectronic Technologies

KEYWORDS: Refractive index, Channel waveguides, Waveguides, Glasses, Ions, Diffusion, Silver, Photomasks, Planar waveguides, Process modeling

SPIE Press Book | August 1, 1991

Selected Papers on Speckle Metrology

PROCEEDINGS ARTICLE | January 1, 1991

Focal length measurement using diffraction at a grating

Proc. SPIE. 1332, Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection

KEYWORDS: Microscopes, Diffraction, Eye, Optical testing, Optical inspection, Collimation, Distance measurement, Transmittance, Spherical lenses, Diffraction gratings

Showing 5 of 41 publications

Conference Committee Involvement (3)

Optical Measurement Systems for Industrial Inspection IV

13 June 2005 | Munich, Germany

Optical Metrology in Production Engineering

27 April 2004 | Strasbourg, France

Microsystems Engineering: Metrology and Inspection III

23 June 2003 | Munich, Germany

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