Ms. Uma K. Subash Profile

Uma K. Subash

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Publications (4)

Proceedings Article | 12 March 2024 Presentation + Paper

Dynamic polarization and mechanical tuning of slanted wire diffraction gratings

V. Paige Stinson, Uma Subash, Nuren Shuchi, Menelaos Poutous, Tino Hofmann

Proceedings Volume 12899, 1289902 (2024) https://doi.org/10.1117/12.3003380

KEYWORDS: Polarization, Diffraction gratings, Optical gratings, Polarization gratings, Fabrication, Two photon polymerization, Diffraction, Solid modeling, Polymer optics, Optical design

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Proceedings Article | 4 October 2023 Presentation + Paper

UV to IR high-efficiency antireflective surface modification of freeform and cylindrical lenses for space platform optical instrumentation

Uma Subash, Hanshin Lee, Menelaos Poutous

Proceedings Volume 12676, 126760H (2023) https://doi.org/10.1117/12.2675746

KEYWORDS: Optical surfaces, Etching, Optical transmission, Fabrication, Cylindrical lenses, Wavefronts, Lenses, Thin film coatings, Reactive ion etching, Nanostructures

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Proceedings Article | 29 August 2022 Presentation + Paper

Fabrication and evaluation of reactive ion-plasma etched astronomical diffraction grating with anti-reflective surface nanostructures

Hanshin Lee, Uma Subash, Menelaos K. Poutous

Proceedings Volume 12188, 1218826 (2022) https://doi.org/10.1117/12.2627342

KEYWORDS: Diffraction gratings, Etching, Astronomy, Diffraction, Spectrographs, Sensors, Quartz, Plasma etching, Optical design, Nanolithography

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Proceedings Article | 29 August 2022 Poster + Paper

Integration/test of dual unit arrayed wide-angle camera system and its evaluation in the context of Extremely Large Telescopes

Hanshin Lee, Brian Vattiat, Uma Subash, Menelaos Poutous

Proceedings Volume 12184, 121848E (2022) https://doi.org/10.1117/12.2627344

KEYWORDS: Telescopes, Relays, Prisms, Cameras, Monochromatic aberrations, Optical instrument design, Lenses, Imaging systems, Large telescopes, Interfaces

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