Pulse generation method and laser light source apparatus
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United States of America Patent
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Apr 8, 2014
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app pub date -
Apr 7, 2010
filing date -
Apr 9, 2009
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Abstract
The present invention enables simultaneous setting or automatic setting of a pulse peak and a pulse width of a light pulse. In a configuration comprising a light emitting element outputting laser light, a driving current supply section supplying a driving current to the light emitting element, a modulator applying a modulation voltage for pulse modulation of the laser light to the light emitting element, and a modulation control section controlling a modulation pattern as a pattern of pulse modulation of the modulation voltage for the modulator, the modulation control section sets a modulation voltage value in the modulation pattern based on information on a driving current value, and sends information on the modulation pattern to the modulator so that the modulation voltage reaches the set value.
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