Prof. Anurag Sharma Profile

Prof. Anurag Sharma

Emeritus Professor at Indian Institute of Technology Delhi

SPIE Involvement:

Author

Publications (20)

Proceedings Article | 31 January 2020 Presentation + Paper

Optimizing quasi-adiabaticity and its application in photonic lantern devices

Sugeet Sunder, Anurag Sharma

Proceedings Volume 11309, 1130906 (2020) https://doi.org/10.1117/12.2548267

KEYWORDS: Single mode fibers, Optical fibers, Photonic devices, Cladding, Wave propagation, Multiplexing, Control systems, Quantum mechanics, Refractive index

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Proceedings Article | 21 June 2019 Paper

Error estimation due to approximations in Shack-Hartmann sensor based measurement of high slope freeform wavefront

Ashish Dwivedi, Kamal Pant, Dali Burada, Gufran Khan, Anurag Sharma

Proceedings Volume 11057, 110571J (2019) https://doi.org/10.1117/12.2526125

KEYWORDS: Wavefronts, Sensors, Error analysis, Zemax, Ray tracing, Wavefront reconstruction, Wavefront sensors, Spherical lenses, Photovoltaics, Collimation

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Proceedings Article | 14 March 2018 Presentation

Simple electronic and optical coupled modeling for simulation of optically structured photovoltaic cells (Conference Presentation)

Anurag Sharma

Proceedings Volume 10527, 105270M (2018) https://doi.org/10.1117/12.2290179

KEYWORDS: Modeling, Solar cells, Beam propagation method, Optical simulations, Photovoltaics, Optical semiconductors, Semiconductors, Diffusion, Integrated optics, Photonic devices

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SPIE Journal Paper | 9 November 2016

Design and evaluation of laser spot illuminator for a laser projection engine design

Ashish Dwivedi, Gufran Sayeed Khan, Anurag Sharma

OE, Vol. 55, Issue 11, 115102, (November 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.11.115102

KEYWORDS: Prisms, Fiber optic illuminators, Tolerancing, Laser development, Optical components, Optical design, Collimation, Prototyping, Monte Carlo methods, Projection systems

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Proceedings Article | 24 October 2013 Paper

Snow cover and land surface temperature assessment of Gangotri basin in the Indian Himalayan Region (IHR) using MODIS satellite data for climate change inferences

Akhouri Krishna, Anurag Sharma

Proceedings Volume 8893, 889314 (2013) https://doi.org/10.1117/12.2029084

KEYWORDS: Snow cover, Climate change, Temperature metrology, MODIS, Satellites, Spatial resolution, Remote sensing, Sensors, Visible radiation, Climatology

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Proceedings Article | 20 May 2013 Paper

Mode field expansion in index-guiding microstructured optical fibers

Dinesh Kumar Sharma, Anurag Sharma

Proceedings Volume 8794, 87942A (2013) https://doi.org/10.1117/12.2026012

KEYWORDS: Micro optical fluidics, Optical fibers, Single mode fibers, Cladding, Structured optical fibers, Beam propagation method, Waveguides, Interfaces, Silica, Sensors

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Proceedings Article | 24 August 2011 Paper

Far-field of index-guiding microstructured fibers: an analytical field model

Dinesh Kumar Sharma, Anurag Sharma

Proceedings Volume 8173, 81731F (2011) https://doi.org/10.1117/12.902441

KEYWORDS: Optical fibers, Near field, Cladding, Silica, Radio propagation, Refractive index, Performance modeling, Photonic crystal fibers, Structured optical fibers, Control systems

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Proceedings Article | 18 June 2004 Paper

Parameters affecting the performance of a perfectly matched layer for beam propagation methods

Anurag Sharma, Arti Agrawal

Proceedings Volume 5349, (2004) https://doi.org/10.1117/12.528179

KEYWORDS: Absorption, Wave propagation, Beam propagation method, Gaussian beams, Waveguides, Finite-difference time-domain method, Refractive index, Radio propagation, Paraxial approximations, Physics

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Proceedings Article | 18 June 2004 Paper

Split-step non-paraxial beam propagation method

Anurag Sharma, Arti Agrawal

Proceedings Volume 5349, (2004) https://doi.org/10.1117/12.528172

KEYWORDS: Wave propagation, Waveguides, Beam propagation method, Refractive index, Matrices, Error analysis, Ordinary differential equations, Physics, Instrument modeling, Numerical analysis

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Proceedings Article | 25 September 2001 Paper

Collocation method for numerical scalar wave propagation through waveguiding structure

Anurag Sharma

Proceedings Volume 4417, (2001) https://doi.org/10.1117/12.441281

KEYWORDS: Wave propagation, Waveguides, Solitons, Beam propagation method, Fiber Bragg gratings, Ordinary differential equations, Dispersion, Refractive index, Modeling, Photonics

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Proceedings Article | 28 April 1999 Paper

Reflection characteristics of guided-wave Bragg gratings using the collocation method

Ashmeet Taneja, Anurag Sharma

Proceedings Volume 3666, (1999) https://doi.org/10.1117/12.347910

KEYWORDS: Fiber Bragg gratings, Waveguides, Refractive index, Wave propagation, Sensors, Reflection, Modulation, Ultraviolet radiation, Near field optics, Reflectivity

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Proceedings Article | 2 January 1998 Paper

New method for mode cutoffs of asymmetric planar waveguides

Anurag Sharma, Jean-Pierre Meunier

Proceedings Volume 3211, (1998) https://doi.org/10.1117/12.345557

KEYWORDS: Planar waveguides, Waveguides

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Proceedings Article | 25 August 1994 Paper

Analysis of nonlinear TE waves in silver-sodium ion exchanged waveguides in glass

Ramanand Tewari, Anurag Sharma, Ajoy Ghatak

Proceedings Volume 2212, (1994) https://doi.org/10.1117/12.185146

KEYWORDS: Waveguides, Ion exchange, Glasses, Dispersion, Wave propagation, Ions, Nonlinear optics, Refractive index, Free space, Optical components

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Proceedings Article | 25 August 1994 Paper

Wave propagation through periodic waveguides: a numerical simulation method

Anurag Sharma, Swagata Deb

Proceedings Volume 2212, (1994) https://doi.org/10.1117/12.185121

KEYWORDS: Wave propagation, Waveguides, Beam propagation method, Radio propagation, Differential equations, Numerical analysis, Numerical simulations, Refractive index, Partial differential equations, Physics

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Proceedings Article | 25 August 1994 Paper

Analysis of near field data of diffused channel waveguides: an accurate method to obtain delta-n and the index profile

Anurag Sharma, Pushpa Bindal

Proceedings Volume 2212, (1994) https://doi.org/10.1117/12.185106

KEYWORDS: Waveguides, Near field, Channel waveguides, Refractive index, Planar waveguides, Error analysis, Wave propagation, Interfaces, Process control, Spectroscopy

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SPIE Journal Paper | 1 June 1994

Fiber optic evanescent field absorption sensor: effect of launching condition and the geometry of the sensing region

Banshi Gupta, Chandra Singh, Anurag Sharma

OE, Vol. 33, Issue 06, (June 1994) https://doi.org/10.1117/12.10.1117/12.167173

KEYWORDS: Absorption, Sensors, Fiber optics sensors, Fiber optics, Interfaces, Cladding, Wave sensors, Optical fibers, Physics, Attenuated total reflectance

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SPIE Journal Paper | 1 April 1993

Nonlinear pulse propagation through optical fibers: an efficient numerical method [also Erratum 32(11)2986(Nov1993)]

Swagata Deb, Anurag Sharma

OE, Vol. 32, Issue 04, (April 1993) https://doi.org/10.1117/12.10.1117/12.61283

KEYWORDS: Nonlinear optics, Solitons, Optical fibers, Dispersion, Beam propagation method, Nonlinear response, Numerical analysis, Differential equations, Thulium, Raman spectroscopy

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Proceedings Article | 16 December 1992 Paper

Numerical method for solving the generalized equation for nonlinear pulse propagation through optical fibers

Anurag Sharma, Swagata Deb

Proceedings Volume 1622, (1992) https://doi.org/10.1117/12.637005

KEYWORDS: Nonlinear optics, Solitons, Optical fibers, Beam propagation method, Numerical analysis, Kerr effect, Signal attenuation, Time metrology, Lithium, Physics

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Proceedings Article | 16 December 1992 Paper

Optimal approximate method for the analysis of diffused channel waveguides

Anurag Sharma, Pushpa Bindal

Proceedings Volume 1622, (1992) https://doi.org/10.1117/12.636811

KEYWORDS: Channel waveguides, Waveguides, Directional couplers, Wave propagation, Planar waveguides, Refractive index, Analytical research, Diffusion, Metals, Physics

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