LASER WITH HEATER TO REDUCE OPERATING TEMPERATURE RANGE AND METHOD OF USING SAME
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United States of America Patent
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Issued Date -
Apr 3, 2008
app pub date -
May 15, 2007
filing date -
Sep 28, 2006
priority date (Note) -
Abandoned
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Abstract
A laser for use in a laser transmitter may be heated to maintain an operating temperature of the laser above a temperature floor such that the operating temperature of the laser is allowed to vary within a reduced operating temperature range. The reduced operating temperature range of the laser thus allows the wavelength emitted by the laser to vary within a reduced range of emission wavelengths. In other words, the temperature floor reduces the temperature range experienced by the laser, which reduces the wavelength excursion. The operating temperature of the laser may be allowed to rise above the temperature floor without cooling the laser to stabilize the operating temperature.
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