Coherent light generators – Particular component circuitry – Controlling current or voltage to laser
Reexamination Certificate
2008-04-29
2008-04-29
Harvey, Minsun Oh (Department: 2828)
Coherent light generators
Particular component circuitry
Controlling current or voltage to laser
C372S055000, C372S057000
Reexamination Certificate
active
07366213
ABSTRACT:
The relative timing delay between channels of a discharge circuit can be adjusted through application of appropriate control voltages. A control voltage of relatively long duration and relatively small voltage, with respect to a common system pulse, can be applied to any channel in order to adjust the relative timing delay. This control voltage can be, for example, a magnetization pre-pulse voltage applied to an indictor for a channel in order to adjust a hold-off time. A synchronization control unit and feedback loop can be used to monitor the timing, such that the syncronization control unit can apply a control voltage when a delay change exceeds a timing adjustment threshold value, and can apply a pre-ionization voltage when the delay change is less than the adjustment threshold value. Using both a control voltage and a pre-ionization voltage provides for both coarse and fine adjustment of the delay.
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Govorkov Sergei V.
Knysh Andriy N.
Wiessner Alexander O.
Harvey Minsun Oh
Lambda Physik AG
Roy Tod T. Van
Stallman & Pollock LLP
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