Pulse-generating laser
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United States of America Patent
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Aug 17, 2004
Grant Date -
Jun 26, 2003
app pub date -
Nov 5, 2002
filing date -
Sep 24, 2001
priority date (Note) -
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Abstract
An optically pumped laser with an Er:Yb: doped solid state gain element is disclosed, which is passively mode-locked by means of a saturable absorber mirror. The laser is designed to operate at a fundamental repetition rate exceeding 1 GHz and preferably at an effective wavelength between 1525 nm and 1570 nm. Compared to state of the art solid state pulsed lasers, the threshold for Q-switched-mode-locked operation is substantially improved. Thus, according to one embodiment, the laser achieves a repetition rate beyond 40 GHz. The laser preferably comprises means for wavelength tuning and repetition rate locking.
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