Study of optical waveguides in Nd:YAG and Nd:YVO<sub>4</sub> crystals

G. V. Vázquez; M. E. Sánchez-Morales; E. Flores-Romero; H. Márquez; J. Rickards; R. Trejo-Luna; P. Moretti

doi:10.1117/12.674416

10 February 2006 Study of optical waveguides in Nd:YAG and Nd:YVO₄ crystals

G. V. Vázquez, M. E. Sánchez-Morales, E. Flores-Romero, H. Márquez, J. Rickards, R. Trejo-Luna, P. Moretti

Proceedings Volume 6046, Fifth Symposium Optics in Industry; 604609 (2006) https://doi.org/10.1117/12.674416
Event: Fifth Symposium Optics in Industry, 2005, Santiago De Queretaro, Mexico

Abstract

Optical waveguides have been produced in Nd:YAG and Nd:YVO₄ crystals by either proton or carbon implantation. The analysis includes refractive index profiles, spectroscopic properties and particularly laser emission characteristics in the YAG guides. Typical optical barrier profiles were obtained when protons were used. In the case of YVO₄, carbon implantation produced a considerable refractive index variation in the guiding region, increasing the ordinary index and reducing the extraordinary index. The spectroscopic studies show that emission bands coming from the ⁴F_3/2 level are not significantly altered by the ion beam process, thus maintaining the crystal quality in the guiding region. The YAG waveguides exhibit good laser emission characteristics at 1 064 nm and high stability in the CW regime.

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G. V. Vázquez, M. E. Sánchez-Morales, E. Flores-Romero, H. Márquez, J. Rickards, R. Trejo-Luna, and P. Moretti "Study of optical waveguides in Nd:YAG and Nd:YVO₄ crystals", Proc. SPIE 6046, Fifth Symposium Optics in Industry, 604609 (10 February 2006); https://doi.org/10.1117/12.674416

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