Tunable diode laser system, apparatus and method
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United States of America Patent
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Dec 30, 2003
Issued Date -
N/A
app pub date -
Aug 27, 2001
filing date -
Sep 14, 1998
priority date (Note) -
Expired
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Abstract
A tunable laser system where incoming light is separated into wavelength separated light; the separated light is focused into a plurality of single wavelength focal spots. The laser system includes a locally controllable reflectivity array having a plurality of individually controllable localized reflective elements corresponding to and reflecting one of the plurality of focal spots. A wavelength filter substantially allows wavelengths of the incoming light separated by a specified frequency to emerge as filtered light, while substantially barring other wavelengths. The separated light includes this filtered light. An elongation element for elongates the wavelength separated light into a plurality of elongated single wavelength focal spots. The locally controllable reflectivity array includes a plurality of sets of a plurality of individually controllable localized reflective elements, each set corresponding to and reflecting one of the elongated single wavelength focal spots.
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