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    • 8. 发明申请
    • ANALOG TEMPERATURE CONTROL FOR TUNABLE LASERS
    • 模拟温度控制用于激光激光
    • US20110150014A1
    • 2011-06-23
    • US12540946
    • 2009-08-13
    • Andrew DaiberMark Stephen RiceTimothy L. Robertson
    • Andrew DaiberMark Stephen RiceTimothy L. Robertson
    • H01S3/10H01S3/00
    • H01S5/06804
    • An analog circuit including a voltage divider for providing a first voltage corresponding to an actual temperature of said thermal tuning element of the laser; an analog comparator generating an analog output current for comparing the first voltage with a reference voltage, the reference voltage being representative of a temperature of said thermal tuning element of the laser corresponding to a desired wavelength of the laser; and a heating element thermally coupled to said thermal tuning element, wherein the analog comparator increases said analog current to the heating element, when the first voltage is less than the reference voltage; and decreases said analog current to the heating element, when the first voltage is larger than the second reference voltage.
    • 一种包括分压器的模拟电路,用于提供对应于所述激光器的所述热调谐元件的实际温度的第一电压; 模拟比较器产生用于将第一电压与参考电压进行比较的模拟输出电流,所述参考电压代表对应于所述激光器的期望波长的所述激光器的所述热调谐元件的温度; 以及加热元件,其热耦合到所述热调谐元件,其中当所述第一电压小于所述参考电压时,所述模拟比较器将所述模拟电流增加到所述加热元件; 并且当所述第一电压大于所述第二参考电压时,将所述模拟电流减小到所述加热元件。