Linear filter based wavelength locking optical sub-assembly and associated methods

A wavelength detector includes a beam splitter block that taps off two spatially separated beams and a linear filter in an optical path of one of the two beams. The linear filter may be provided on the beam splitter block. The linear filter may be a notch anti-reflective filter in the optical path o...

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Bibliographic Details
Main Authors Te Kolste, Robert, Boye, Robert Russell, Cruz-Cabrera, Alvaro A, Schwartz, Eric
Format Patent
LanguageEnglish
Published 08.03.2005
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Summary:A wavelength detector includes a beam splitter block that taps off two spatially separated beams and a linear filter in an optical path of one of the two beams. The linear filter may be provided on the beam splitter block. The linear filter may be a notch anti-reflective filter in the optical path of the application beam. One or both of the beams may be focused on to their respective detectors.