Highly efficient continuous wave blue second-harmonic generation in fs-laser written periodically poled Rb:KTiOPO₄ waveguides
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- Erscheinungsjahr:
- 2014
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- Beschreibung:
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Waveguides were inscribed into a 9.5 mm long periodically poled KTiOPO4 crystal with a Ti:sapphire femtosecond-laser. Waveguiding was achieved between two parallel written tracks with spacings of 17-19 μm. The fundamental power of 1.6 W for frequency doubling in the waveguide was delivered by a continuous wave Ti:sapphire laser at a wavelength of 943.18 nm. A maximum output power of 76 mW in the blue spectral region was achieved. This corresponds to a single pass normalized conversion efficiency of 4.6% W(-1) cm(-2).
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- info:eu-repo/semantics/restrictedAccess
- Quellsystem:
- Forschungsinformationssystem der UHH
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- oai:www.edit.fis.uni-hamburg.de:publications/8a2bf292-786f-4ee6-b267-9f1610994c1c