Mr. Amitava Ghosh Profile

Amitava Ghosh

at Instruments Research & Development Establishment

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Publications (6)

Proceedings Article | 21 June 2019 Paper

Intrinsic surface feature based subaperture stitching of freeform wavefront

Kamal Pant, Dali Burada, Vinod Mishra, L. Pant, Amitava Ghosh, Gufran Khan, Stefan Sinzinger, Chandra Shakher

Proceedings Volume 11057, 1105708 (2019) https://doi.org/10.1117/12.2526037

KEYWORDS: Wavefronts, Image registration, Photovoltaics, Metrology, Data integration, Manufacturing, Phase measurement, Error analysis, Sensors, Freeform optics

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Proceedings Article | 21 June 2019 Paper

High resolution measurement of freeform wavefront by using self-imaging based sensor

Lalit MohanPant, K. Pant, Dali Burada, A. Ghosh, Gufran Khan, Chandra Shakher

Proceedings Volume 11056, 1105647 (2019) https://doi.org/10.1117/12.2525961

KEYWORDS: Wavefronts, Sensors, Collimation, Error analysis, Spatial resolution, Freeform optics, Metrology, Wavefront sensors, Algorithm development, Optical design

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Proceedings Article | 27 September 2016 Presentation + Paper

Design, fabrication and characterization of solution-based molded chalcogenide optics for infrared application

Awakash Dixit, Radhakant Singh, Amit Agarwal, Amitava Ghosh, Prabhat Dwivedi

Proceedings Volume 9949, 994903 (2016) https://doi.org/10.1117/12.2235893

KEYWORDS: Chalcogenide glass, Microlens, Chalcogenides, Glasses, Microlens array, Photoresist materials, Geometrical optics, Photomasks, Ultraviolet radiation, Lithography

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Proceedings Article | 15 June 2015 Paper

A study of material removal response of various glasses in computer controlled sub-aperture polishing

Sandeep Mishra, Raghvendra Singh, Amitava Ghosh

Proceedings Volume 9654, 96540O (2015) https://doi.org/10.1117/12.2181620

KEYWORDS: Polishing, Surface finishing, Glasses, Aspheric lenses, Optical components, Spherical lenses, Polyurethane, Plano, Freeform optics, Control systems

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Proceedings Article | 15 June 2015 Paper

In process metrology of aspheric optical surfaces during sub-aperture polishing process

L. Pant, M. Singh, K. Pant, A. Ghosh

Proceedings Volume 9654, 96540U (2015) https://doi.org/10.1117/12.2182846

KEYWORDS: Surface finishing, Polishing, Metrology, Aspheric lenses, Interferometry, Optical spheres, Polishing equipment, Spherical lenses, Germanium, Spatial frequencies

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Proceedings Article | 15 June 2015 Paper

A simple method to measure refractive index of optical glasses using focal displacement method

Neeraj Pandey, M. Singh, L. Pant, A. Ghosh

Proceedings Volume 9654, 96540L (2015) https://doi.org/10.1117/12.2181509

KEYWORDS: Glasses, Refractive index, Edge detection, Cameras, Detection and tracking algorithms, Optical testing, Zinc, Refraction, Interferometry, Fourier transforms

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Showing 5 of 6 publications

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