Back facet wavelength locker tuning and assembly method

Details Back facet wavelength locker tuning and assembly method Back facet wavelength locker tuning and assembly method

2005-06-07

2005-06-07

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular beam control device

Optical output stabilization

C372S009000, C372S032000, C372S020000, C372S023000

Reexamination Certificate

active

06904067

ABSTRACT:
Wavelength lockers, which monitor the wavelength drift of a laser's beam due to aging, are tunable to adjust for manufacturing misalignments between its various optical components. Tuning is accomplished by adjusting the position of a collimating lens using a flexure. Adjusting the lens position changes the angle of incidence of a monitored beam relative to a fixed filter and detector and avoids the challenging manufacturing task of rotating the filter and detector to achieve the same result.

REFERENCES:
patent: 6207950 (2001-03-01), Verdiell
patent: 6227724 (2001-05-01), Verdiell
patent: 6400739 (2002-06-01), Auracher
patent: 1 158 630 (2001-11-01), None
patent: 001158630 (2001-11-01), None

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