Near ultraviolet spectrograph for balloon platform

A. G. Sreejith; Margarita Safonova; Jayant Murthy

doi:10.1117/12.2181749

15 June 2015 Near ultraviolet spectrograph for balloon platform

A. G. Sreejith, Margarita Safonova, Jayant Murthy

Proceedings Volume 9654, International Conference on Optics and Photonics 2015; 96540D (2015) https://doi.org/10.1117/12.2181749
Event: International Conference on Optics and Photonics 2015, 2015, Kolkata, India

Abstract

Small and compact scientific payloads may be easily designed constructed and own on high altitude balloons. Despite the fact that large orbital observatories provide accurate observations and statistical studies of remote and/or faint space sources, small telescopes on board balloons or rockets are still attractive because of their low cost and rapid response time. We describe here a near ultraviolet (NUV) spectrograph designed to be own on a high{altitude balloon platform. Our basic optical design is a modified Czerny-Turner system using off the shelf optics. We compare different methods of aberration corrections in such a system. We intend the system to be portable and scalable to different telescopes. The use of reflecting optics reduces the transmission loss in UV. We plan on using an image intensified CMOS sensor operating in photon counting mode as the detector of choice.

Citation Download Citation

A. G. Sreejith, Margarita Safonova, and Jayant Murthy "Near ultraviolet spectrograph for balloon platform", Proc. SPIE 9654, International Conference on Optics and Photonics 2015, 96540D (15 June 2015); https://doi.org/10.1117/12.2181749

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