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METHODS FOR OBTAINING STABILIZED OUTPUT BEAMS FROM FREQUENCY CONVERTED LIGHT SOURCES AND FREQUENCY CONVERTED LIGHT SOURCES UTILIZING THE SAME
METHODS FOR OBTAINING STABILIZED OUTPUT BEAMS FROM FREQUENCY CONVERTED LIGHT SOURCES AND FREQUENCY CONVERTED LIGHT SOURCES UTILIZING THE SAME
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机译:从频率转换的光源获得稳定的输出光束的方法和利用频率转换的光源获得稳定的输出光束的方法
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摘要
A method for operating a frequency converted light source includes sweeping a wavelength control signal of a semiconductor laser over an initial signal range and measuring an optical power of an output beam emitted from a wavelength conversion device coupled to the semiconductor laser. The wavelength control signal of the semiconductor laser may then be swept over at least one truncated signal range and the optical power of the resulting output beam is measured. The at least one truncated signal range may be centered on a point corresponding to a maximum power of the output beam of the sweep of the wavelength control signal over the preceding signal range. An operational signal range for the wavelength control signal is determined such that a midpoint of the operational signal range corresponds to the maximum optical power of the resulting output beam of the sweep over the preceding signal range. Closed-loop feedback control of the wavelength control signal in the operational signal range may then be initiated.
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