Measurements of substances using two different propagation...

Details Measurements of substances using two different propagation... Measurements of substances using two different propagation...

2005-06-07

2005-06-07

Lauchman, Layla G. (Department: 2877)

Optics: measuring and testing

By polarized light examination

Of surface reflection

C356S453000, C359S287000

Reexamination Certificate

active

06903820

ABSTRACT:
This application describes designs, implementations, and techniques for controlling propagation mode or modes of light in a common optical path, which may include one or more waveguides, to sense a sample. As an example, input light in two different optical propagation modes (e.g., the first and second modes) is directed through a common input optical path to the optical probe head which sends a portion of input light in the second mode to the sample. The probe head directs both the light in the first mode and the returned light from the sample in the second mode through a common optical path to a detection module.

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