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1 April 2022 Comparative study of Nd:YAG waveguide lasers inscribed with visible and near-IR femtosecond laser sources
Wendwesen H. Gebremichael, Christophe Dorrer, Jie Qiao
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Proceedings Volume PC11988, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXVII; PC1198809 (2022) https://doi.org/10.1117/12.2609000
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
We compare the double-track waveguide lasers inscribed inside Nd:YAG crystals using femtosecond laser pulses at 515 nm and 1030 nm. For both source wavelengths, the highly efficient, continuous wave, single mode and stable lasing at 1064 nm has been achieved in a monolithic cavity formed by the crystal with dielectric coatings at the input and output end facets. In addition to source wavelength, the lasing performance and guiding properties for track separations of 15 µm and 30 µm are compared.
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Wendwesen H. Gebremichael, Christophe Dorrer, and Jie Qiao "Comparative study of Nd:YAG waveguide lasers inscribed with visible and near-IR femtosecond laser sources", Proc. SPIE PC11988, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXVII, PC1198809 (1 April 2022); https://doi.org/10.1117/12.2609000
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KEYWORDS
Femtosecond phenomena
Nd:YAG lasers
Waveguide lasers
Waveguides
Laser damage threshold
Wave propagation
Dielectrics
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