Optical sensor

Details Optical sensor Optical sensor

2011-01-18

2011-01-18

Schwartz, Jordan M. (Department: 2873)

Optical: systems and elements

Lens

With support

C359S800000

Reexamination Certificate

active

07872815

ABSTRACT:
An optical sensor for the monitoring of combustion processes in a combustion chamber comprises a lens system facing the combustion chamber, a waveguide and a sheath surrounding the lens system. The lens system has at least one essentially plano-concave lens and a double concave lens wherein the planar surface of the plano-concave lens is exposed to the combustion chamber. A method for centering one or more lenses and a waveguide in a sheath of an optical sensor for monitoring combustion processes in a combustion chamber is also disclosed that includes filling the gap between the first lens and the sheath with a soldering paste.

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patent: 5335061 (1994-08-01), Yamamoto et al.
patent: 6320184 (2001-11-01), Winklhofer et al.
patent: 6713713 (2004-03-01), Caldwell et al.
patent: 2002/0027723 (2002-03-01), Lei
patent: 2002/0134138 (2002-09-01), Philipp et al.
PCT International Search Report, WO/2005/080938 A1, Sep. 5, 2005.

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