Optical system and methods that compensate for changes in...

Details Optical system and methods that compensate for changes in... Optical system and methods that compensate for changes in...

2005-01-11

2005-01-11

Juba, Jr., John (Department: 2872)

Optical: systems and elements

Diffraction

From grating

C359S900000, C356S305000, C356S328000, C356S334000, C398S084000, C398S087000, C250S23700G

Reexamination Certificate

active

06842286

ABSTRACT:
Optical systems are provided. One such optical system includes an optical source that propagates a source beam of light. A diffracting component is optically coupled to the optical source and is operative to receive the source beam and produce a diffracted beam. A target is located to receive the diffracted beam. Additionally, a compensating system repositions at least one of the optical source, the diffracting component, and the target in response to a detected change in refractive index of a medium through which the diffracted beam propagates so that the diffracted beam continues to be received by the target. Methods and other systems also are provided.

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