Compact diode-pumped Nd:YLF laser with triple-wavelength emission
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2024
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ENCONTRO DE OUTONO DA SOCIEDADE BRASILEIRA DE FISICA
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Resumo
Here we present a compact and cost-effective Nd:YLF laser, capable of operating
with either single- or multi-wavelength emission at 1047 nm, 1321 nm, or 1370 nm. The
Nd:YLF crystal is side-pumped by a 797 nm emitting diode stack in a single-bounce
resonator, featuring a concave highly reflective mirror with a radius of curvature of 8 m
and a plane output coupler. The transmission of the laser mirrors is carefully selected to
favor emissions with lower cross-sections, while still providing enough reflection for
wavelengths with higher absorption. Through this technique alone, it was possible to
select each wavelength or a combination thereof simply by aligning one laser mirror.
This approach not only excels in terms of versatility, enabling multiple
applications within the same laser setup, but also introduces innovative wavelength
emission at 1370 nm. To the best of our knowledge, this represents the first reported
instance of a transversally-pumped Nd:YLF emitting at this wavelength. This new
wavelength holds great promise, primarily due to its proximity to the eye-safe region of
the spectrum that can be achieved by additional Raman conversion. This characteristic
opens a diverse range of potential applications, including Light Detection and Ranging
(LIDAR), and range finding.
Como referenciar
PRADO, FELIPE M.; FRANCO, TOMAS J.; WETTER, NIKLAUS U. Compact diode-pumped Nd:YLF laser with triple-wavelength emission. In: ENCONTRO DE OUTONO DA SOCIEDADE BRASILEIRA DE FISICA, 19-23 de maio, 2024, Florianópolis, SC. Resumo... São Paulo, SP: Sociedade Brasileira de Física - SBF, 2024. Disponível em: https://repositorio.ipen.br/handle/123456789/49130. Acesso em: 19 Mar 2026.
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.