Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2006-02-01
2009-10-06
Epps, Georgia Y (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C250S556000, C382S124000, C600S310000
Reexamination Certificate
active
07598483
ABSTRACT:
Provided is an optical element in which a groove for a sample to make contact can be formed without machining or etching a material for an optical element, and in which the scattering of a light at the groove does not decrease the precision in an optical measurement. The optical element is formed with a light-emitting prism including a light-output face from which a light to be emitted to a sample is outputted, a light-receiving prism including a light-receiving face which receives the light returned from the sample, and a light intensity-reducing part provided between the light-emitting prism and the light-receiving prism. The light-emitting prism and the light-receiving prism are combined to form a recessed part for the sample to make contact, so that the light outputted from the light-output face travels straight in the sample in contact with the recessed part and enters the light-receiving face.
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Epps Georgia Y
McDermott Will & Emery LLP
Panasonic Corporation
Wyatt Kevin
LandOfFree
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