CPC G02B 27/0006 (2013.01) [G01J 1/0252 (2013.01); G01M 11/02 (2013.01); G01M 11/0207 (2013.01); G01M 11/0264 (2013.01); G02B 7/028 (2013.01)] | 20 Claims |
1. An optical measurement apparatus, comprising:
a thermal insulation housing provided with a first opening and a second opening respectively communicating with spaces outside opposite sides of the thermal insulation housing;
a first light-transmissive plate disposed at the first opening;
a second light-transmissive plate disposed at the second opening, wherein the thermal insulation housing, the first light-transmissive plate and the second light-transmissive plate define a chamber;
a heat-conductive layer disposed in the chamber;
a cooling source coupled to the heat-conductive layer; and
a photosensor disposed outside the chamber and on one side of the second light-transmissive plate facing away from the first light-transmissive plate.
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