Method and apparatus for tuning a laser

Coherent light generators – Particular beam control device – Tuning

Reexamination Certificate

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C372S026000

Reexamination Certificate

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09848914

ABSTRACT:
The present invention provides a tunable laser with a compact form factor and precise tuning to any selected center wavelength of a selected wavelength grid. A novel tuning technique is disclosed which includes tuning the laser to selected passbands, as well as tuning the optical path length of the laser utilizing a variety of tuning elements and a feedback circuit working together.

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