External resonator tunable diode laser (TDL) system for extracavity and intracavity absorption: Experiments and modeling
Conference
·
OSTI ID:500929
- Univ. of Bremen (Germany). Inst. of Environmental Physics
- DBP Telekom Forschunginstitut, Darmstadt (Germany)
A 1,530 nm multimode laser with an external resonator containing a grating achieved a single-mode tuning range of 100 nm. Etalon effects and modehops during the frequency tuning of the laser were minimized by special design features. Absorptions of water vapor were recorded intracavity and extracavity. The intracavity experiments were impeded by modehops induced by the absorption itself. This effect could be reduced by increasing the selectivity of the resonator. Modeling of the optical properties of the resonator allows the quantitative specification of the optical parameters for a singlemode intracavity tunable diode laser (TDL) operation. This enables a resonator design to be realized which achieves an optimum stability and selectivity for a singlemode TDL for both extracavity and intracavity applications.
- OSTI ID:
- 500929
- Report Number(s):
- CONF-960848--; ISBN 0-8194-2222-3
- Country of Publication:
- United States
- Language:
- English
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