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24 May 1999 Noise-reduced diode-pumped intracavity frequency doubled blue microlaser
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We present the stabilization of an intracavity frequency doubled blue Nd:YAG laser. A single stripe 1 W/808 nm laser diode was used for longitudinal end-pumping of a half- monolithic Nd:YAG/KNbO3 473 nm microlaser. A quarter- wave plate (QWP) was used inside the cavity to suppress the large amplitude noise. An adjustment of the QWP with a rotation angle of 45 degree(s) referring to the ordinary axis of the KNbO3 crystal resulted in a suppression of the noise in the blue laser emission.
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Hans Joachim Eichler, Volker Gaebler, Baining Liu, Zhiguo Zhang, and Frank Peuker "Noise-reduced diode-pumped intracavity frequency doubled blue microlaser", Proc. SPIE 3611, Laser Resonators II, (24 May 1999);

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