Intracavity diode-side-pumped Raman laser at 1147 nm and 1163 nm
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2018
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LASER RESONATORS, MICRORESONATORS, AND BEAM CONTROL, 20th
Resumo
Wavelengths in the yellow-orange range are of significant interest due to their application potential in the medical and
biomedical areas, as well as for applications in laser displays and in remote sensing. These wavelengths can be obtained
by frequency-doubling or sum-frequency generation of lasers with near-IR emission like VCSELS, fiber lasers, and
OPOs. However, all these alternatives have several limitations that justify the development of alternative methods. As a
possible solution for these limitations, a configuration of an intracavity converted Raman laser may be developed to
obtain two wavelengths, 1163 nm, and 1147 nm, with high efficiency and good beam quality. This paper presents a
configuration of a side-pumped intracavity converted Raman laser to achieve these objectives. A Nd:YLiF4 crystal was
used as fundamental wavelength gain crystal. The side-pumped configuration guarantees practicability and cost
reduction while allowing good efficiency and fundamental mode laser beam. The intracavity conversion configuration
allows high fundamental wavelength power at the Stokes crystal in order to facilitate the obtention of the Stokes
wavelengths and enables optimization of its efficiency. As a result an output power at 1163 nm of 3.8 W in the
multimode regime was obtained, corresponding to a pump to Stokes efficiency of 9.6%. The TEM00 diode to Stokes
efficiency was 7%. For the emission at 1147 nm, 1.5W of output power with a diode to Stokes efficiency of 3.7% was
achieved. The side-pumped Nd:YLF/KGW intracavity Raman laser configuration is reported for the first time, to our
knowledge.
Como referenciar
FERREIRA, MERILYN S.; PASK, HELEN M.; WETTER, NIKLAUS U. Intracavity diode-side-pumped Raman laser at 1147 nm and 1163 nm. In: KUDRYASHOV, ALEXIS V. (ed.); PAXTON, ALAN H. (ed.); ILCHENKO, VLADIMIR S. (ed.). In: LASER RESONATORS, MICRORESONATORS, AND BEAM CONTROL, 20th, January 27 - February 01, 2018, San Francisco, California, USA. Proceedings... Bellingham, WA, USA: Society of Photo-optical Instrumentation Engineers, 2018. p. 1051816-1 - 1051816-9. (SPIE Proceedings Series, 10518). DOI: 10.1117/12.2290596. Disponível em: http://repositorio.ipen.br/handle/123456789/29023. Acesso em: 28 Mar 2024.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.