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Frequency locking of tunable diode lasers to a rubidium-stabilized ring-cavity resonator

机译:可调二极管激光器锁定到a稳定的环形腔谐振器的频率

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摘要

We demonstrate a technique for locking the frequency of a tunable diode laser to a ring-cavity resonator. The resonator is stabilized to a diode laser that is in turn locked to an atomic transition in rubidium, thus giving it absolute frequency calibration. The principal advantage of the ring-cavity design is that there is no feedback destabilization of the laser. The cavity has a free-spectral range of 1.3 GHz and Q of ~35, which provides robust locking of the laser. The locked laser is able to track large scans of the cavity.
机译:我们演示了一种将可调谐二极管激光器的频率锁定到环形腔谐振器的技术。谐振器被稳定在二极管激光器上,该二极管激光器又被锁定在in中的原子跃迁上,因此可以进行绝对频率校准。环形腔设计的主要优点是激光器没有反馈不稳定。该腔的自由光谱范围为1.3 GHz,Q值为〜35,可牢固锁定激光器。锁定的激光能够跟踪腔体的大扫描。

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