Holographic telescope design for narrowband imaging in the far ultraviolet

Details Holographic telescope design for narrowband imaging in the far ultraviolet Holographic telescope design for narrowband imaging in the far ultraviolet

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4013..426w&link_type=abstract

Proc. SPIE Vol. 4013, p. 426-432, UV, Optical, and IR Space Telescopes and Instruments, James B. Breckinridge; Peter Jakobsen; E

Astronomy and Astrophysics

Astrophysics

Scientific paper

We report on the status of a novel imaging spectrometer design based on aberration-corrected holographic gratings. The goal of the work is to develop optical designs with high spatial resolution and high sensitivity over a narrow wavelength bandpass, thus effectively creating a narrow-band imaging capability. Ideally the narrow-band capability can be used to observe astrophysical phenomena at key diagnostic lines short-ward the short-wavelength transmission cut-off of lithium fluoride (1050 angstroms) while simultaneously controlling the intense geocoronal Lyman alpha emission at 1216 angstroms. For example OVI 1032, 1038 angstroms emission from a fast shock can be observed with arc-second resolution over a 5 arc-minute field of view.

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