Distributed-feedback laser utilizing POPOP vapor
A distributed-feedback laser with an active medium in the form of a vapor of a complex organic compound was constructed and investigated. Lasing was observed in 1, 4-di(2-(5-phenyloxazolyl))-benzene (POPOP) vapor when the concentration of a pentane impurity was 10/sup 19/-4 x 10/sup 21/ cm/sup -3/ and the vapor was pumped with the second harmonic of a ruby laser or with a nitrogen laser (337 nm). A study was made of the dependence of the lasing wavelength on temperature and on the pentane pressure. The addition of pentane made it possible to achieve lasing at a repetition frequency up to 30 Hz without circulation of the active medium. A change in the density of the liquid active medium with temperature in the subcritical range made it possible to turn the emission wavelength of the POPOP distributed-feedback laser over a range of 42 nm.
- Research Organization:
- Institute of Physics, Academy of Sciences of the Belorussian SSR, Minsk
- OSTI ID:
- 6019544
- Journal Information:
- Sov. J. Quant. Electron. (Engl. Transl.); (United States), Journal Name: Sov. J. Quant. Electron. (Engl. Transl.); (United States) Vol. 11:6; ISSN SJQEA
- Country of Publication:
- United States
- Language:
- English
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