The influence of active ion concentration and crystal parameters on pulsed Cr:YAG laser performance
| Autor: | J.C. Diettrich, D.M. Warrington, Iain T. McKinnie |
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| Rok vydání: | 1999 |
| Předmět: |
Range (particle radiation)
Materials science business.industry Slope efficiency Far-infrared laser Physics::Optics Rate equation Laser Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials law.invention Ion Crystal Optics law Electrical and Electronic Engineering Physical and Theoretical Chemistry Excited state absorption business |
| Zdroj: | Optics Communications. 167:133-140 |
| ISSN: | 0030-4018 |
| DOI: | 10.1016/s0030-4018(99)00298-9 |
| Popis: | An experimental investigation of the effects of crystal characteristics on Cr:YAG laser performance was carried out. Slope efficiency, threshold, and gain-switching parameters are analysed in terms of Cr4+ ion concentration, parasitic loss, and excited state absorption. Laser tuning range and mode structure were examined in each case. Results are compared with the predictions of a rate equation model, which extends a simple gain-switching treatment to include excited state absorption and dynamic pump effects. A best fit to experimental data is used to predict Cr:YAG cross-sections within the wide range of published values. A crystal with low Cr4+ ion concentration gave higher output energy and broader tuning range than more recently developed heavily-doped material. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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