Dr. Nicholas S. Kochan Profile

Dr. Nicholas S. Kochan

Principal Scientist at Physical Sciences Inc

SPIE Involvement:

Author

Proceedings Article | 14 September 2023 Paper

Design and performance validation of a large diameter (22.5 mm) metalens refractive doublet

Nicholas Kochan, Evan Simmons, Wesley Britton, David Woolf

Proceedings Volume 12798, 1279802 (2023) https://doi.org/10.1117/12.2691488

KEYWORDS: Design and modelling, Lens design, Optical design, Metalenses, Commercial off the shelf technology, Wavefronts, Optics manufacturing, Near field optics, Manufacturing, Flat optics

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Proceedings Article | 19 November 2021 Presentation + Paper

Material optimization in the design of broadband gradient-index optics

Tianyi Yang, David Lippman, Robert Chou, Nicholas Kochan, Ankur Desai , Greg Schmidt, Julie Bentley, Duncan Moore

Proceedings Volume 12078, 120780Z (2021) https://doi.org/10.1117/12.2603644

KEYWORDS: GRIN lenses, Gradient-index optics, Optimization (mathematics), Optical design, Binary data, Refractive index, Chromatic aberrations, Manufacturing, Visible radiation, Polymethylmethacrylate

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Proceedings Article | 19 November 2021 Paper

Evaluating ophthalmic progressive addition lens designs with freeform surfaces and gradient index optics

Nicholas Kochan, Greg Schmidt, Duncan Moore

Proceedings Volume 12078, 120781R (2021) https://doi.org/10.1117/12.2603678

KEYWORDS: GRIN lenses, Monochromatic aberrations, Lens design, Freeform optics, Spherical lenses, Ophthalmic optics, Eyeglasses, Eyewear

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Proceedings Article | 19 November 2021 Presentation + Paper

Design of annular folded lenses using freeform gradient-index optics

David Lippman, Robert Chou, Ankur Desai, Nicholas Kochan, Tianyi Yang, Greg Schmidt, Julie Bentley, Duncan Moore

Proceedings Volume 12078, 120781S (2021) https://doi.org/10.1117/12.2603679

KEYWORDS: GRIN lenses, Refractive index, Chromatic aberrations, Lenses, Gradient-index optics, Modulation transfer functions, Aspheric lenses, Monochromatic aberrations, Ray tracing, Freeform optics, Catadioptrics

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SPIE Journal Paper | 2 July 2020 Open Access

Mapping of index of refraction profile for polymer gradient index optics using confocal Raman spectroscopy

Nicholas Kochan, Greg Schmidt, Andrew Berger, Duncan Moore

OE, Vol. 59, Issue 11, 112605, (July 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.11.112605

KEYWORDS: GRIN lenses, Refraction, Raman spectroscopy, Gradient-index optics, Polymers, Microscopes, Picosecond phenomena, Polymethylmethacrylate, Photorefractive polymers

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Proceedings Article | 9 September 2019 Presentation + Paper

Comparing optical design complexity of high zoom ratio lenses within the VIS, SWIR, and LWIR

Jake Rosvold, Luis Alemán Castañeda, Jaren Ashcraft, Dylan Beckman, Maximillian Bruggeman, Pellegrino Conte, Shenghan Gao, Qi Jin, Nicholas Kochan, Zilong Li, Yuxuan Liu, Matthew Page, John Piotrowski, Jordan Rabinowitz, Colleen Stone, Julie Bentley

Proceedings Volume 11106, 111060B (2019) https://doi.org/10.1117/12.2528875

KEYWORDS: Zoom lenses, Short wave infrared radiation, Long wavelength infrared, Optical design, Lenses, Tolerancing, Chemical elements, Modulation transfer functions, Aspheric lenses, Lens design

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Proceedings Article | 2 July 2019 Open Access

Light and lilacs: an interactive exploration of colorimetry

Nicholas Kochan, Di Xu, Saleem Iqbal, Benjamin Moon, Janet Hrdina, David Lippman, Saniat Ahmed Choudhury, Matthias Banet, Kaitlin Dunn, Ashan Ariyawansa Galabada Dewage, Robert Draham, Nicholas Takaki, Jennifer D. Kruschwitz

Proceedings Volume 11143, 111431N (2019) https://doi.org/10.1117/12.2524624

KEYWORDS: Cameras, Colorimetry, Light emitting diodes, Photonics, Visualization, Optical components, Thermography, Light sources, Ultraviolet radiation, Control systems

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Proceedings Article | 21 May 2018 Paper

Design of a spatially multiplexed light field display on curved surfaces for VR HMD applications

Tianyi Yang, Nicholas Kochan, Samuel Steven, Greg Schmidt, Julie Bentley, Duncan Moore

Proceedings Volume 10676, 106760Y (2018) https://doi.org/10.1117/12.2315373

KEYWORDS: Eye, Spherical lenses, Head-mounted displays, Spatial resolution, Diffraction, Virtual reality, Multiplexing, Lens design, Microlens array, Visualization

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Showing 5 of 8 publications

Conference Committee Involvement (3)

Optics Education and Outreach VII

22 August 2022 | San Diego, California, United States

Optics Education and Outreach VI

24 August 2020 | Online Only, California, United States

Optics Education and Outreach V

22 August 2018 | San Diego, California, United States

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