Performance optimization of an external enhancement resonator for optical second-harmonic generation
| Autor: | Julius Hohlfeld, A. J. Toonen, A.F. van Etteger, W.L. Meerts, E. Jurdik, H. van Kempen, T.H.M. Rasing |
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| Rok vydání: | 2002 |
| Předmět: |
Sum-frequency generation
Materials science business.industry Molecular and Biophysics Scanning Probe Microscopy Energy conversion efficiency Physics::Optics Second-harmonic generation Statistical and Nonlinear Physics Laser Atomic and Molecular Physics and Optics Cavity ring-down spectroscopy law.invention Resonator chemistry.chemical_compound Optics chemistry law Spectroscopy of Solids and Interfaces Lithium triborate High harmonic generation business |
| Zdroj: | Journal of the Optical Society of America B-Optical Physics, 19, 7, pp. 1660-1667 Journal of the Optical Society of America B-Optical Physics, 19, 1660-1667 |
| ISSN: | 0740-3224 |
| Popis: | We study the factors that ultimately limit the performance of an external enhancement resonator for optical second-harmonic generation (SHG). To describe the resonant SHG process we introduce a theoretical model that accounts for the intensity-dependent cavity loss that is due to harmonic generation and that also includes a realistic assumption about the shape and the frequency width of the laser mode. With the help of this model we optimized the performance of a doubling cavity based on a lithium triborate (LBO) crystal. This cavity was used for frequency doubling the output of a single-frequency titanium-doped sapphire laser at 850 nm. We were able to push the total second-harmonic conversion efficiency to 53% (a 1.54-W pump resulted in 820 mW of second-harmonic light), which to our knowledge is the best result ever reported for a LBO-based doubling cavity. |
| Databáze: | OpenAIRE |
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