Optical system for a gas measurement system

Details Optical system for a gas measurement system Optical system for a gas measurement system

2007-02-27

2007-02-27

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

Reexamination Certificate

active

10792180

ABSTRACT:
An improved optical configuration for use in a gas monitoring system. The optical system uses a high numerical aperture lens that maximizes capture of relatively large angle rays, thereby increasing the measured signal at the infrared radiation detector. In one embodiment of the present invention, a half-ball-type lens is provided proximal to the infrared radiation source in the gas measurement system. To further increase the measured signal at the infrared radiation detector and allow more efficient capture of the larger angle rays, materials that are reflective in the infrared band of interest are used, so that the walls of the sample cell act as a hollow light pipe.

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