Coherent light generators – Particular beam control device – Having particular beam control circuit component
Reexamination Certificate
2009-06-29
2011-12-06
Park, Kinam (Department: 2828)
Coherent light generators
Particular beam control device
Having particular beam control circuit component
C372S029010, C372S025000, C372S009000
Reexamination Certificate
active
08073027
ABSTRACT:
A digital pulse shaping module for controlling a pulsed laser oscillator according to a digital input waveform is provided. The pulse shaping module includes a clock generator generating a plurality of phase-related clock signals and a shape generator which outputs a digital shape signal corresponding to the digital input waveform in Double Data Rate in response to the clock signals. A DAC converts the digital shape into an analog shape signal. The analog shape signal may be used to control the current source of a laser seed source or modulators in the laser oscillator shaping a seed light signal. Optionally, the pulse shaping module may also output a gate control signal having a predetermined timing relationship with respect to the digital shape signal.
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Koechner, “Solid-State laser engineering”, Springer-Verlag, Chapter 8, figure 8.8.
Deladurantaye Pascal
Duchesne François
Jacob Michel
Mimeault Yvan
Parent Andre
Institut National d'Optique
Merchant & Gould P.C.
Park Kinam
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