Recent progress in continuous-wave Ti:sapphire waveguide lasers

Christos Grivas; Costantino Corbari; Gilberto Brambilla

doi:10.1117/12.2043442

8 March 2014 Recent progress in continuous-wave Ti:sapphire waveguide lasers

Christos Grivas, Costantino Corbari, Gilberto Brambilla

Proceedings Volume 8988, Integrated Optics: Devices, Materials, and Technologies XVIII; 898808 (2014) https://doi.org/10.1117/12.2043442
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

A detailed study of the fabrication and continuous-wave laser operation of Ti:sapphire channel waveguides written with femtosecond (fs) and picosecond (ps) laser pulses in the bulk of a Ti:sapphire crystal is presented. The waveguides were produced using the double-line approach and the effect of parameters such as the laser pulse duration, repetition rate and interline spacing were investigated for optimizing the laser operation. Structures fabricated by fs-laser pulses (180 fs) exhibited superior performance delivering output powers up 143 mW with a slope efficiency of 23.5% and producing laser emission above a threshold of 84 mW. The emission wavelength was tuned over a wavelength range spanning from 700 to 920 nm using cavity optics with broadband transmission at the lasing wavelength in combination with a birefringent filter in an external cavity.

Citation Download Citation

Christos Grivas, Costantino Corbari, and Gilberto Brambilla "Recent progress in continuous-wave Ti:sapphire waveguide lasers", Proc. SPIE 8988, Integrated Optics: Devices, Materials, and Technologies XVIII, 898808 (8 March 2014); https://doi.org/10.1117/12.2043442

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