HIGH POWER MULTI-CHIP PUMP MODULES WITH PROTECTION FILTER FOR 1060NM, AND PUMP MODULES INCLUDING THE SAME
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United States of America Patent
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Issued Date -
Feb 2, 2012
app pub date -
Jan 19, 2010
filing date -
Jan 19, 2009
priority date (Note) -
Abandoned
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Abstract
A multi-chip pump unit comprising a light source and a filter for directing light from the light source towards an optical fiber, wherein the filter exhibits one of either (i) relatively low transmissivity and high reflectivity at a wavelength of the light source, and relatively high transmissivity and low reflectivity at a wavelength greater than the wavelength of the light source; or (ii) relatively high transmissivity and low reflectivity at a wavelength of the light source, and relatively low transmissivity and high reflectivity at a wavelength greater than the wavelength of the light source.
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