Single-frequency micro-disk laser

一种单频微片激光器

  • Inventors: LI WU
  • Assignees: 吴砺
  • Publication Date: January 31, 2007
  • Publication Number: CN-2865079-Y

Abstract

本实用新型公开一种单频微片激光器,其腔内选频元件由双折射晶体波片与组合棱镜构成,该组合棱镜由为同一种双折射晶体材料并且其光轴在同一平面的前、中、后三部分组成,前部分、后部分的光轴方向与晶体通光面平行,中部分的光轴与前、后部分的光轴呈一定夹角,通过组合棱镜的O光透射,e光被反射。采用以上结构后,基频光入射到组合棱镜上,分解为O光和e光分量,其中,e光分量由于偏折出腔外而被损耗掉。由于不同波长产生e光分量不同,这样,在组合棱镜中沿O光偏振的纵模损耗最小,所以仅e光分量最小波长的e光获得振荡,从而获得单频输出。
The utility model discloses a single-frequency microchip laser, the frequency-select element of the laser comprises of a double-refraction crystal plate and combination prisms. The combination prisms consist of front, middle and the rear parts made by the same double-refraction crystal material and the light axis of three parts are on the same plane. The light axis of the front and the rear parts are paralleled with crystal section, the axis of the middle part has an angle with the axes of the front and the rear parts separately. Through the combination prisms, the o-light is transmitted and the e-light is reflected. Using the above structure, fundamental frequency light incident to combination prisms are decomposed of o-light and e-light components, wherein the e-light component is lost due to the deflection out of the cavity, the o-light polarization in combination prisms is minimal for different wavelengths generate different e-light components, so the single-frequency output can be achieved for the minimum wavelength e-light component achieves oscillation.

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    CN-101320883-BJune 29, 2011福州高意通讯有限公司一种单纵模激光器