首页> 外文期刊>Journal of the Optical Society of America, B. Optical Physics >Injection-locked diode laser current modulation for Pound-Drever-Hall frequency stabilization using transfer cavities
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Injection-locked diode laser current modulation for Pound-Drever-Hall frequency stabilization using transfer cavities

机译:使用传输腔实现Pound-Drever-Hall频率稳定的注入锁定二极管激光电流调制

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摘要

A phase-modulated RF current source is applied to an injection-locked diode laser operating at 780 nm. This produces tunable phase-modulated sidebands of the laser suitable for stabilizing the length of an optical transfer cavity using the Pound-Drever-Hall technique. The Pound-Drever-Hall signal is antisymmetric about the lock point, despite the presence of significant diode laser amplitude modulation. The stabilized optical transfer cavity is used to frequency stabilize a 776 nm external cavity diode laser. The stability and tunability of this transfer cavity locked laser is established by observation of the hyperfine components of the 87Rb 5P _(3/2) - 5D5 _2 transition in a vapor cell.
机译:将相位调制的RF电流源应用于工作在780 nm的注入锁定二极管激光器。这产生了适用于使用Pound-Drever-Hall技术稳定光传输腔长度的激光器的可调相位调制边带。尽管存在显着的二极管激光振幅调制,但Pound-Drever-Hall信号在锁定点附近是反对称的。稳定的光传输腔用于对776 nm外腔二极管激光器进行频率稳定。通过观察蒸气室中87Rb 5P _(3/2)-5D5 _2过渡的超精细成分,可以确定此传输腔锁定激光器的稳定性和可调谐性。

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