Spectral and luminance measuring device employing array and...

Details Spectral and luminance measuring device employing array and... Spectral and luminance measuring device employing array and...

2011-03-01

2011-03-01

Ko, Tony (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Housings

C356S326000

Reexamination Certificate

active

07897912

ABSTRACT:
An apparatus for measuring light properties includes a housing defining a light input port; as well as a first light detector; a second light detector; and a coupling element. The first light detector is a single channel light detector or a multiple channel light detector. The second light detector is a multiple channel light detector. The coupling element is configured and arranged to selectively couple light incident from the light input port to one of the first light detector and the second light detector. As an alternative, a beam splitting element can be used instead of the coupling element. The beam splitting element receives light from the light input port and then splits the light and delivers a portion of the light to the first light detector and a portion of the light to the second light detector.

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