高功率808纳米脊形波导二极管激光器，具有极小的发散角，并通过外部体布拉格光栅实现波长稳定。
High-power 808 nm ridge-waveguide diode lasers with very small divergence, wavelength-stabilized by an external volume Bragg grating.
作者信息
Wenzel H, Häusler K, Blume G, Fricke J, Spreemann M, Zorn M, Erbert G
机构信息
Ferdinand-Braun-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Strasse 4, 12489 Berlin, Germany.
出版信息
Opt Lett. 2009 Jun 1;34(11):1627-9. doi: 10.1364/ol.34.001627.
We present data on ridge-waveguide diode lasers having a vertical far-field divergence of only 11.5 degrees (FWHM) owing to an appropriate waveguide design. The lasers emitted an optical power of more than 1 W into the spatial fundamental mode from a ridge width of 5 microm. The emission wavelength was stabilized to a narrow range around 808 nm by placing a volume Bragg grating in front of the outcoupling facet.
我们展示了有关脊形波导二极管激光器的数据，由于采用了合适的波导设计，其垂直远场发散角仅为11.5度（半高宽）。这些激光器从5微米的脊宽向空间基模发射超过1瓦的光功率。通过在输出耦合面之前放置一个体布拉格光栅，发射波长稳定在808纳米左右的窄范围内。
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