Ms. Athira Unni Profile

Athira Unni

at Indian Institute of Astrophysics

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Publications (3)

Proceedings Article | 18 July 2024 Poster + Paper

Performance analysis of SCALES final optical design: end to end modeling

Arun Surya, Renate Kupke, Deno Stelter, Phil Hinz, Stephanie Sallum, Amirul Hasan, Andrew Skemer, Sivarani Thirupathi, Ravinder Banyal, Athira Unni

Proceedings Volume 13096, 130966W (2024) https://doi.org/10.1117/12.3019578

KEYWORDS: Spectrographs, Modeling, Sensors, Point spread functions, Optical design, Tunable filters, Zemax, Spectral resolution, Ray tracing, Optical filters

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Proceedings Article | 5 October 2023 Presentation + Paper

The slicer combined with array of lenslets for exoplanet spectroscopy (SCALES): driving science cases and expected outcomes

Steph Sallum, Andrew Skemer, Deno Stelter, Ravinder Banyal, Natalie Batalha, Natasha Batalha, Geoff Blake, Tim Brandt, Zack Briesemeister, Katherine de Kleer, Imke de Pater, Aditi Desai, Josh Eisner, Wen-fai Fong, Tom Greene, Mitsuhiko Honda, Rebecca Jensen-Clem, Isabel Kain, Charlie Kilpatrick, Renate Kupke, Mackenzie Lach, Michael Liu, Bruce Macintosh, Raquel Martinez, Dimitri Mawet, Brittany Miles, Caroline Morley, Diana Powell, Ramya Sethuram, Patrick Sheehan, Justin Spilker, Jordan Stone, Arun Surya, Sivarani Thirupathi, Athira Unni, Kevin Wagner, Yifan Zhou

Proceedings Volume 12680, 1268003 (2023) https://doi.org/10.1117/12.2677831

KEYWORDS: Planets, Simulations, Exoplanets, Equipment, Spectroscopes, Spectrographs, Solar system, Lens arrays, Keck Observatory, Galactic astronomy

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Proceedings Article | 6 July 2018 Paper

Hanle echelle spectrograph: design and performance

S. Sriram, Amit Kumar, Arun Surya, T. Sivarani, Sunetra Giridhar, S. Kathiravan, M. N. Anand, Damien Jones, Deon Grobler, Robert Jakobsson, Anantha Chanumolu, Athira Unni, Angchuk Dorje, Tsewang Dorje, Tsewang Gyalson

Proceedings Volume 10702, 107026K (2018) https://doi.org/10.1117/12.2313165

KEYWORDS: Spectrographs, Calibration, Mirrors, Telescopes, Charge-coupled devices, Sensors

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