Diffraction analysis of LAMOST - two segmented mirrors included.

Details Diffraction analysis of LAMOST - two segmented mirrors included. Diffraction analysis of LAMOST - two segmented mirrors included.

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996jkass..29..399x&link_type=abstract

J. Korean Astron. Soc., Vol. 29, Suppl., p. S399 - S400

Astronomy and Astrophysics

Astronomy

Schmidt Telescopes: Diffraction, Mirrors: Optical Systems

Scientific paper

LAMOST is a special reflecting Schmidt telescope. Both the reflecting Schmidt plate MA and the spherical primary mirror MB are segmented mirrors. These two cofocus but not co-phase. The diffraction of the optical system is decided by the shape overlapping of MA and MB. This paper describes the diffraction calculating results with different declination and different field angle. The diffraction influence to the image quality is acceptable. It also proves that the size selection of the sub-mirror is reasonable.

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