Low intensity noise and narrow line-width diode laser light at 540 nm

Low intensity noise and narrow line-width diode laser light at 540 nm
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540 nm 低强度噪声和窄线宽二极管激光

DOI:
10.1088/1612-2011/12/5/055802
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发表时间:
2015-04
期刊:
Laser Phys. Lett.
影响因子:
--
通讯作者:
Yun Zhang
Yun Zhang
中科院分区:
其他
文献类型:
--
作者:
Lirong Wang;Ryo Tamaki;Katsuyuki Kasai;Yoshiko;Yun Zhang

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我们提出了一种方便的方法来产生高质量的单频绿色光在540 nm的波长。它包括一个通过光学滤波和谐振光反馈抑制噪声的外腔二极管激光器,波长为1080 nm,和一个a切KTP晶体的基频光倍频。通过II型非临界相位匹配实现高效转换。最大输出功率约为20 mW,单频稳定工作3 h以上。强度噪声和线宽均达到单片非平面环形激光器的水平,这是众所周知的,其非常窄的线宽和极低的噪声在现有的单频工作的激光器。
We present a convenient method to generate high quality single-frequency green light at a wavelength of 540 nm. It consists of a noise suppressed external cavity diode laser at a wavelength of 1080 nm by optical filtering and resonant optical feedback, and a frequency doubling of the fundamental light with an a-cut KTP crystal. Highly efficient conversion is realized by type II non-critical phase matching. A stable single-frequency operation with a maximum power of about 20 mW is performed for more than 3 h. Both the intensity noise and line-width reach the level of a monolithic nonplanar ring laser, which is well known for its extraordinarily narrow line-width and extremely low noise among available single-frequency operating lasers.
DOI: 10.1088/1355-5111/7/4/015
发表时间: 1995-08
期刊: Quantum and Semiclassical Optics: Journal of The European Optical Society Part B
影响因子: --
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