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1. 发明授权

US08073021B2 Methods for obtaining stabilized output beams from frequency converted light sources and frequency converted light sources utilizing the same 失效
标题翻译：用于从变频光源获得稳定的输出光束的方法和利用其的变频光源
公开(公告)号：US08073021B2
公开(公告)日：2011-12-06
申请号：US12476303
申请日：2009-06-02
申请人： Vikram Bhatia , Dragan Pikula , Madhan Mothi Raj
发明人： Vikram Bhatia , Dragan Pikula , Madhan Mothi Raj
IPC分类号： H01S3/10 , H01S3/13
CPC分类号： H01S5/0683 , G02F1/3775 , H01S5/0617 , H01S5/06256 , H01S5/0687 , H01S5/141
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.
摘要翻译：一种用于操作频率转换的光源的方法包括在初始信号范围上扫描半导体激光器的波长控制信号，并测量从耦合到半导体激光器的波长转换器件发射的输出光束的光功率。然后可以将半导体激光器的波长控制信号扫过至少一个截断的信号范围，并测量所得到的输出光束的光功率。所述至少一个截断的信号范围可以在对应于在先前信号范围上的波长控制信号的扫描的输出波束的最大功率的点上居中。确定用于波长控制信号的操作信号范围，使得操作信号范围的中点对应于在先前信号范围上的扫描的结果输出光束的最大光功率。然后可以启动操作信号范围内的波长控制信号的闭环反馈控制。

2. 发明申请

US20100303107A1 Methods for Obtaining Stabilized Output Beams from Frequency Converted Light Sources and Frequency Converted Light Sources Utilizing the Same 失效
标题翻译：从变频光源获得稳定输出光束的方法及利用其的变频光源
公开(公告)号：US20100303107A1
公开(公告)日：2010-12-02
申请号：US12476303
申请日：2009-06-02
申请人： Vikram Bhatia , Dragan Pikula , Madhan Mothi Raj
发明人： Vikram Bhatia , Dragan Pikula , Madhan Mothi Raj
IPC分类号： H01S5/06
CPC分类号： H01S5/0683 , G02F1/3775 , H01S5/0617 , H01S5/06256 , H01S5/0687 , H01S5/141
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.
摘要翻译：一种用于操作频率转换的光源的方法包括在初始信号范围上扫描半导体激光器的波长控制信号，并测量从耦合到半导体激光器的波长转换器件发射的输出光束的光功率。然后可以将半导体激光器的波长控制信号扫过至少一个截断的信号范围，并测量所得到的输出光束的光功率。所述至少一个截断的信号范围可以在对应于在先前信号范围上的波长控制信号的扫描的输出波束的最大功率的点上居中。确定用于波长控制信号的操作信号范围，使得操作信号范围的中点对应于在先前信号范围上的扫描的结果输出光束的最大光功率。然后可以启动操作信号范围内的波长控制信号的闭环反馈控制。

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