Cassegrain reflector

名词 n.
中文释义

英文释义

名词 n.
  1. 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.

词形变化

Cassegrain reflectors plural

词源

Named after Laurent Cassegrain, its probable inventor.
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