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    • 94. 发明申请
    • PSEUDO-CW QUANTUM CASCADE LASER SYSTEM
    • PSEUDO-CW量子CASCADE激光系统
    • WO2011109193A2
    • 2011-09-09
    • PCT/US2011025797
    • 2011-02-23
    • GK TECHCOM LLCHOWARD SCOTTHOFFMAN ANTHONY
    • HOWARD SCOTTHOFFMAN ANTHONY
    • H01S5/06216B82Y20/00H01S5/02248H01S5/0428H01S5/3401H01S5/4012
    • A laser system is proposed that is configured to provide a pseudo-CW signal at room temperature. The system utilizes an array of pulsed lasers that are controlled (in terms of turning "on" and "off") to provide, in combination, a quasi-CW output signal. The activation of each individual laser is controlled to turn "on" and "off" in a predefined sequence, where at least one laser is "on" at any given point in time. Thus, by combining the outputs from the plurality of pulsed lasers onto a single output signal path, the resultant output signal from the system will be a pseudo-CW signal (the amount of "ripple" present in the signal controlled by factors such as the number of individual lasers in the plurality of lasers, the duty cycle of each individual laser, etc.). The duty cycle of the individual lasers can be controlled to provide a high power output signal (higher duty cycle), or provide a high wall- plug efficiency of the system (lower duty cycle).
    • 提出了一种配置为在室温下提供伪CW信号的激光系统。 该系统利用被控制的脉冲激光器阵列(在“打开”和“关闭”方面),以组合提供准CW输出信号。 控制每个单独的激光器的激活以预定的顺序“打开”和“关闭”,其中至少一个激光器在任何给定的时间点“开”。 因此,通过将来自多个脉冲激光器的输出组合到单个输出信号路径上,来自系统的合成输出信号将是伪CW信号(由信号控制的信号中存在的“纹波”量,例如 多个激光器中的单个激光器的数量,每个激光器的占空比等)。 可以控制单个激光器的占空比以提供高功率输出信号(更高的占空比),或提供系统的高壁插头效率(较低占空比)。