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Shot-noise-limited laser power stabilization with a high-power photodiode array

机译:具有大功率光电二极管阵列的散粒噪声限制的激光功率稳定

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摘要

The output power of a cw Nd:YAG laser was stabilized in a dc-coupled feedback loop with a low-noise multiphotodiode detector and an electro-optic amplitude modulator in the frequency band from 1 Hz to 1 kHz. For the first time, to our knowledge, an independently measured relative power noise of 2.4 X 10~(-9) Hz~(-1/2) at 10 Hz was achieved, fulfilling the power stability requirements of the Advanced LIGO (Laser Interferometer Gravitational-Wave Observatory) gravitational wave detector.
机译:连续Nd:YAG激光器的输出功率在具有低噪声多光电二极管检测器和电光幅度调制器的直流耦合反馈环路中稳定在1 Hz至1 kHz的频带中。据我们所知,这是第一次实现了在10 Hz下独立测量的2.4 X 10〜(-9)Hz〜(-1/2)相对功率噪声,满足了高级LIGO(激光干涉仪)的功率稳定性要求重力波天文台)引力波探测器。

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