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- Title
Spectral control of powerful diode lasers with enhanced output by external cavity based on volume holographic grating.
- Authors
Bashchenko, S. M.; Marchenko, L. S.; Negriyko, A. M.; Smirnova, T. N.; Matsnev, I. V.
- Abstract
To achieve the maximum efficiency in single-frequency lasing mode of laser diode with external cavity, it is necessary to minimize losses in the optical system for the output beam and to provide the optimal frequency-selective feedback. In this paper, we have investigated the scheme of an external cavity diode laser (ECDL) based on phase volume holographic grating (VHG). Angular and spectral selectivities of the holographic grating allow to adjust the optical feedback with low losses in the cavity, and it can be used for the frequency narrowing of diode-array bars. Here, the optimal parameters of VHG and the temperature dependence of the diode laser bar spectrum have been studied, and the proposals on VHG design have been developed.
- Subjects
HOLOGRAPHIC gratings; SINGLE frequency network; SEMICONDUCTOR lasers; OPTICAL feedback; OPTOELECTRONICS
- Publication
Semiconductor Physics, Quantum Electronics & Optoelectronics, 2018, Vol 21, Issue 4, p424
- ISSN
1560-8034
- Publication type
Article
- DOI
10.15407/spqeo21.04.424