Stabilized diode laser pumped, idler-resonant cw optical parametric oscillator |
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Authors: | A Lenhard S Zaske J A L��huillier C Becher |
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Institution: | 1. Fachrichtung 7.2 (Experimentalphysik), Universit?t des Saarlandes, Campus E2.6, 66123, Saarbr??cken, Germany 2. Fachbereich Physik, Technische Universit?t Kaiserslautern, Erwin-Schr?dinger-Stra?e 46, 67663, Kaiserslautern, Germany
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Abstract: | We present a diode laser pumped continuous wave, pump-enhanced singly-resonant optical parametric oscillator (OPO). The cavity is stabilized by a Pound?CDrever?CHall scheme using direct modulation of the diode laser. The system provides stable signal powers of up to 220?mW. The wavelength can be tuned between 1.40?C1.60???m for a ring or a linear cavity design by changing the crystal temperature. The relative fluctuations of the stabilized OPO??s wavelength are less than 10?7 for more than one hour. Using a self-heterodyne technique, we measure a linewidth of the signal wave of 3.5?MHz. |
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