Infra-red stimulated Raman generation effects of gain focusing on threshold and tuning behaviour
It is shown that for generation of infrared radiation by stimulated Raman scattering, the diffraction spread of the Stokes wave can have a significant effect on the threshold. Compared with an analysis in which gain focussing is neglected, the threshold powers may be much higher with a corresponding...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
1975-12.
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| Subjects: | |
| Online Access: | Get fulltext |
| Summary: | It is shown that for generation of infrared radiation by stimulated Raman scattering, the diffraction spread of the Stokes wave can have a significant effect on the threshold. Compared with an analysis in which gain focussing is neglected, the threshold powers may be much higher with a corresponding reduction in tuning range. The design of a Raman oscillator is considerably influenced by these diffraction effects, and also it is found that the Stokes wave is subject to frequency-pulling which is dependent on the pump power. |
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