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首页> 外文期刊>Applied optics >Optical frequency standard by using a 1560 nm diode laser locked to saturated absorption lines of rubidium vapor
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Optical frequency standard by using a 1560 nm diode laser locked to saturated absorption lines of rubidium vapor

机译：通过使用1560 nm二极管激光器将光频率标准锁定到saturated蒸气的饱和吸收线上

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摘要

A robust, compact, highly accurate rubidium optical frequency standard module was developed toovercome the delicate performance of conventional frequency stabilized lasers. A frequency doubled 1560 nm distributed feedback diode laser locked to a rubidium D_(2) saturated absorption line without using an optical amplifier was demonstrated, and dithering-free optical output was obtained. In addition, the sensitivity of the developed optical frequency standard to magnetic fields was investigated. We confirmed that the influence of the magnetic fields on the optical frequency standard can be almost negligible when using appropriate magnetic-shield films. As a result, the magnetic-field-insensitive optical frequency standard, which can be embedded in optical systems, exhibiting uncertainty less than at least 100 kHz, was successfully realized for the first time to the best of our knowledge.
机译：开发了一种坚固，紧凑，高精度的id光学频率标准模块，以克服常规频率稳定激光器的微妙性能。对不使用光放大器而锁定到D D_（2）饱和吸收线上的倍频1560 nm分布式反馈二极管激光器进行了演示，获得了无抖动的光输出。此外，还研究了已开发的光频率标准对磁场的敏感性。我们确认，使用适当的磁屏蔽膜时，磁场对光频率标准的影响几乎可以忽略不计。结果，据我们所知，首次成功实现了对磁场不敏感的光频率标准，该标准可以嵌入光学系统，其不确定性至少小于100 kHz。

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