Precision length standard for coherent laser radar

Details Precision length standard for coherent laser radar Precision length standard for coherent laser radar

2011-04-12

2011-04-12

Kim, Ellen (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

Utilizing multiple core or cladding

C385S122000, C385S133000

Reexamination Certificate

active

07925134

ABSTRACT:
This disclosure presents a version of a coherent laser radar system that is immune to environmental effects on Mach-Zehnder-configured interferometers and reference length standards comprising such systems. The present disclosure also describes methods and materials which alleviate interferometer drift due to vapor absorption using a polyimide coated polarization maintaining fiber to reduce the change in the length of a reference arm.

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