The LASS-II (Laser Amplitude Stabilization System)

    Nov. 1, 2010
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    The LASS-II (Laser Amplitude Stabilization System) is an electro-optic feedback loop designed to reduce amplitude variations commonly associated with most gas lasers. This system is capable of significantly enhancing the signal/noise ratio of the laser over a much broader bandwidth than typical optically coupled current modulation of the plasma tube. Both an internal and external reference input are provided, allowing analog programming of the laser through-put. This is particularly convenient for use in recording systems where laser power must be varied as a function of position on the recording medium i.e., video disc, flat bed recorders, etc.
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