Cassegrain reflector

English

Named after Laurent Cassegrain, its probable inventor.

Cassegrain reflector (plural Cassegrain reflectors)

A combination of a primary concave mirror and a secondary convex mirror, often used in optical telescopes and radio antennas, the main characteristic being that the optical path folds back onto itself, relative to the optical system's primary mirror entrance aperture.

单词	Cassegrain reflector
释义	Cassegrain reflector English Etymology Named after Laurent Cassegrain, its probable inventor. Noun Cassegrain reflector (plural Cassegrain reflectors) A combination of a primary concave mirror and a secondary convex mirror, often used in optical telescopes and radio antennas, the main characteristic being that the optical path folds back onto itself, relative to the optical system's primary mirror entrance aperture.
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