Dr. Vikram Dhar Profile

Dr. Vikram Dhar

at Solid State Physics Lab

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 21 May 2011 Paper

On the role of dislocations in influencing the electrical properties of HgCdTe photodiodes

R. Sharma, V. Gopal, R. Saxena, R. Bhan, R. Pal, V. Dhar, R. Muralidharan

Proceedings Volume 8012, 80123A (2011) https://doi.org/10.1117/12.883877

KEYWORDS: Mercury cadmium telluride, Photodiodes, Diodes, Mid-IR, Data modeling, Reverse modeling, Resistance, Solid state physics, Roads, Defense and security

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Proceedings Article | 10 May 2011 Paper

Comparison of the performance of LWIR and MWIR thermal imagers for varying ambient temperature and humidity conditions

V. Dhar, Z. Khan, R. Sharma, R. Muralidharan

Proceedings Volume 8014, 80140P (2011) https://doi.org/10.1117/12.884372

KEYWORDS: Medium wave, Long wavelength infrared, Mid-IR, Humidity, Sensors, Thermography, NVThermIP, Staring arrays, Infrared imaging, Imaging systems

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Proceedings Article | 12 November 2001 Paper

Proposed two-color HgCdTe focal plane array

Vikram Dhar, Vishnu Gopal

Proceedings Volume 4454, (2001) https://doi.org/10.1117/12.448188

KEYWORDS: Staring arrays, Diodes, Sensors, Cones, Mercury cadmium telluride, Quantum efficiency, Liquid phase epitaxy, Thermography, Photodiodes, Molecular beam epitaxy

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SPIE Journal Paper | 1 October 2001

Ratio of quantum efficiency to crosstalk: a proposed figure of merit for a mosaic infrared diode array

Vikram Dhar, Vishnu Gopal

OE, Vol. 40, Issue 10, (October 2001) https://doi.org/10.1117/12.10.1117/1.1402624

KEYWORDS: Diodes, Quantum efficiency, Diffusion, Sensors, Staring arrays, Infrared radiation, Absorption, Doping, Long wavelength infrared, Infrared detectors

SPIE Journal Paper | 1 May 2001

Infrared detector performance in an area array

Vikram Dhar, Vishnu Gopal

OE, Vol. 40, Issue 05, (May 2001) https://doi.org/10.1117/12.10.1117/1.1356706

KEYWORDS: Diodes, Quantum efficiency, Infrared detectors, Resistance, Diffusion, Chemical elements, Optical engineering, Data modeling, Absorption, Mercury cadmium telluride

Proceedings Article | 28 November 2000 Paper

IR detector performance in an area array

Vikram Dhar, Vishnu Gopal, Vikram Kumar

Proceedings Volume 4340, (2000) https://doi.org/10.1117/12.407754

KEYWORDS: Diodes, Quantum efficiency, Resistance, Diffusion, Mercury cadmium telluride, Chemical elements, Infrared detectors, Long wavelength infrared, Photodiodes, Absorption

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SPIE Journal Paper | 1 August 2000

Optimum diode geometry in a two-dimensional photovoltaic array

Vikram Dhar, Vishnu Gopal

OE, Vol. 39, Issue 08, (August 2000) https://doi.org/10.1117/12.10.1117/1.1303763

KEYWORDS: Diodes, Quantum efficiency, Diffusion, Absorption, Chemical elements, Photovoltaics, Long wavelength infrared, Mercury cadmium telluride, Monte Carlo methods, Optical engineering

SPIE Journal Paper | 1 May 1995

Computer simulation of fixed-pattern-noise-limited noise-equivalent-temperature differences in mercury cadmium telluride focal-plane arrays

Vikram Dhar, Renganathan Ashokan

OE, Vol. 34, Issue 05, (May 1995) https://doi.org/10.1117/12.10.1117/12.199881

KEYWORDS: Staring arrays, Mercury cadmium telluride, Sensors, Photodiodes, Signal to noise ratio, Interference (communication), Calibration, Temperature metrology, Computer simulations, Signal detection

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Proceedings Article | 16 December 1992 Paper

Computer simulation of FPN limited NETD in MCT FPAs

Vikram Dhar, Vishnu Gopal, K. Chhabra

Proceedings Volume 1622, (1992) https://doi.org/10.1117/12.636985

KEYWORDS: Sensors, Staring arrays, Photodiodes, Computer simulations, Quantum efficiency, CCD image sensors, Charge-coupled devices, Calibration, Solids, Roads

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SPIE Journal Paper | 1 November 1992

Control and design of nonuniformities in a hybrid focal plane array

Vishnu Gopal, Vikram Dhar

OE, Vol. 31, Issue 11, (November 1992) https://doi.org/10.1117/12.10.1117/12.60045

KEYWORDS: Sensors, Staring arrays, Mercury cadmium telluride, Charge-coupled devices, Target detection, Absorption, Detector arrays, Instrument modeling, Infrared detectors, Photodiodes

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SPIE Journal Paper | 1 January 1992

Injection efficiency of 8- to 14- μm hybrid focal plane arrays

Vikram Dhar, Vishnu Gopal, R. Bhan, K. Chhabra

OE, Vol. 31, Issue 01, (January 1992) https://doi.org/10.1117/12.10.1117/12.56046

KEYWORDS: Charge-coupled devices, Sensors, Photodiodes, Staring arrays, CCD image sensors, Field effect transistors, Cadmium, Diffusion, Resistance, Quantum efficiency

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Showing 5 of 11 publications

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