Two Normal Incidence Collimators Designed For The Calibration Of The Extreme Ultraviolet Explorer

Sharon R. Jelinsky; Barry Welsh; Patrick Jelinsky; Eberhard Spiller

doi:10.1117/12.948736

21 December 1988 Two Normal Incidence Collimators Designed For The Calibration Of The Extreme Ultraviolet Explorer

Sharon R. Jelinsky, Barry Welsh, Patrick Jelinsky, Eberhard Spiller

Proceedings Volume 0982, X-Ray Instrumentation in Astronomy II; (1988) https://doi.org/10.1117/12.948736
Event: 32nd Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1988, San Diego, CA, United States

Abstract

Two Dall-Kirkham, normal incidence collimators have been designed to calibrate the imaging properties of the Extreme Ultraviolet Explorer over the wavelength region from 114 to 2000 A. The mirrors of the short-wavelength, 25-cm diameter collimator are superpolished Zerodur which have been multilayer coated for optimal reflectivity at 114 A. The mirrors of the long-wavelength, 41.25-cm diameter collimator are gold coated Zerodur for high reflectance above 300 A. The design, performance, and future use of these collimators in the extreme ultra-violet is discussed.

Citation Download Citation

Sharon R. Jelinsky, Barry Welsh, Patrick Jelinsky, and Eberhard Spiller "Two Normal Incidence Collimators Designed For The Calibration Of The Extreme Ultraviolet Explorer", Proc. SPIE 0982, X-Ray Instrumentation in Astronomy II, (21 December 1988); https://doi.org/10.1117/12.948736

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