The diffraction energy distribution of an optical system with two segmented mirrors.

Details The diffraction energy distribution of an optical system with two segmented mirrors. The diffraction energy distribution of an optical system with two segmented mirrors.

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997acaps..17...96x&link_type=abstract

Acta Astrophys. Sin., Vol. 17, No. 1, p. 96 - 102

Astronomy and Astrophysics

Astrophysics

3

Optical Systems: Diffraction, Telescopes: Mirrors

Scientific paper

The optical system of LAMOST consists of a reflecting Schmidt correcting plate MA and a spherical primary mirror MB. Both MA and MB are segmented mirrors. Each segment is a hexagonal sub-mirror with a 1.1-m diagonal. This paper calculates the detailed diffraction energy distribution of the optical system in observing different sky areas and fields when the star is on the meridian. It also calculates the diffraction energy distribution of the optical systems when MB is a single 6-m mirror while MA is kept unchanged and when each segment of MA and MB is a 1.5-m hexagonal sub-mirror.

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