Three-dimensional spectroscopy with a fiber-fed NUV spectrograph

Robert Grange; Bruno Milliard; Ryan McLean; Christopher Martin; Jean Michel Deharveng; David Schiminovich

doi:10.1117/12.616934

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18 August 2005 Three-dimensional spectroscopy with a fiber-fed NUV spectrograph

Robert Grange, Bruno Milliard, Ryan McLean, Christopher Martin, Jean Michel Deharveng, David Schiminovich

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Proceedings Volume 5898, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIV; 589812 (2005) https://doi.org/10.1117/12.616934
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

In the context of the NASA balloon borne experiment named Fireball (Faint Intergalactic Redshifted Emission BALLoon) dedicated to map the Intergalactic Medium, we designed a fiber-fed near ultraviolet spectrograph to work in the 200 nm atmospheric transmission window. We first describe the system level optimization leading to the atypical use in UV of a fiber Integral Field Unit at the focus of a one meter diameter parabolic mirror. For the qualification of the design we measured the absolute transmission of an UV polyimide 100 microns core fiber. The fiber bundle made of 400 fibers rearranged in a 50 mm slit feeds an F/2.5 spectrograph based on an Offner Littrow mount. We present the optical performances of this design with a high throughput and a well matched aperture ratio.

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Robert Grange, Bruno Milliard, Ryan McLean, Christopher Martin, Jean Michel Deharveng, and David Schiminovich "Three-dimensional spectroscopy with a fiber-fed NUV spectrograph", Proc. SPIE 5898, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIV, 589812 (18 August 2005); https://doi.org/10.1117/12.616934

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