ISIS: an FUV imaging spectrometer design for space-based applications

Erik Wilkinson; James C. Green

doi:10.1117/12.210945

2 June 1995 ISIS: an FUV imaging spectrometer design for space-based applications

Erik Wilkinson, James C. Green

Proceedings Volume 2478, Space Telescopes and Instruments; (1995) https://doi.org/10.1117/12.210945
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

We present an instrument design for imaging spectroscopy in the far ultraviolet (FUV, 912- 1250 angstrom) and the extreme ultraviolet (EUV, 100-912 angstrom). The design consists of a collimator and telescope to collected light, an aberration corrected planar holographic grating placed directly in the converging beam of the telescope, a transfer mirror, and a microchannel plate detector. The design provides spatial on the order of 10 arc seconds and is limited by telescope blur and detector resolution, not by grating-induced aberrations. The spectral resolution is approximately 1000 for point sources and greater than 30 for diffuse objects which uniformly illuminate the 10 arc minute collimator.

Citation Download Citation

Erik Wilkinson and James C. Green "ISIS: an FUV imaging spectrometer design for space-based applications", Proc. SPIE 2478, Space Telescopes and Instruments, (2 June 1995); https://doi.org/10.1117/12.210945

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