Spectrum of a Fabry-Perot resonant cavity containing an active medium
| Autor: | B. F. Hochheimer |
|---|---|
| Rok vydání: | 2010 |
| Předmět: |
Physics
business.industry Materials Science (miscellaneous) Physics::Optics Michelson interferometer chemistry.chemical_element Laser Industrial and Manufacturing Engineering law.invention Finesse Neon Optics chemistry law Net gain Optical cavity Physics::Accelerator Physics Business and International Management business Lasing threshold Fabry–Pérot interferometer |
| Zdroj: | Applied optics. 5(1) |
| ISSN: | 1559-128X |
| Popis: | A Michelson interferometer has been used to measure the visibility curves for the 6328 A neon emission line in a 90% He-10% Ne gas mixture in order to determine the effect of an optical cavity upon the line shape when the medium exhibits a net gain and yet the system is below lasing threshold. An analytical model for the effect of the cavity is proposed and a computer program set up to fit the model to the data. The cavity gain and finesse are used as variable parameters. The same techniques can be applied to a laser and the number of longitudinal lasing modes can be determined; however, in this case the gain and to some extent the finesse are indeterminate. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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