Pulse modulation method and optical fiber laser
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United States of America Patent
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Oct 22, 2013
Grant Date -
Jul 29, 2010
app pub date -
Jan 22, 2010
filing date -
Jan 23, 2009
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Abstract
The present invention relates to a pulse modulation method and the like having a structure for effectively suppressing nonlinear optical phenomena which increase as an optical pulse becomes wider when amplifying the optical pulse with a predetermined period as seed light. A modulator performs pulse modulation for a laser light source which is a seed light source or light outputted from the laser light source. A modulation pattern of a modulated voltage outputted from the modulator is adjusted such as to include a plurality of pulse components each having a signal width shorter than the pulse width of the optical pulse as an optical pulse generation pattern within a modulation period corresponding to a period of the optical pulse.
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