Partially mirrored beam tap for wavelength lockers

Details Partially mirrored beam tap for wavelength lockers Partially mirrored beam tap for wavelength lockers

2006-06-13

2006-06-13

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular beam control device

Optical output stabilization

C372S032000, C372S099000, C372S103000, C372S107000

Reexamination Certificate

active

07061947

ABSTRACT:
A partially mirrored beam tap for use in wavelength and power monitoring, wherein the partially mirrored beam tap splits off at least two beams from an elliptical Gaussian output beam, wherein a first split-off beam is transmitted to an etalon and one or more first photo-detectors for wavelength monitoring, while a second split-off beam is transmitted to one or more second photo-detectors as a reference and for power monitoring. The partially mirrored beam tap splits off the first and second split-off beams from upper and lower tails of the output beam, wherein upper and lower portions of the partially mirrored beam tap comprise mirrored surfaces that reflect tails of the output beam and a center portion of the partially mirrored beam tap comprises a clear rectangular aperture that passes the output beam.

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