Stabilized semiconductor laser master oscillator for a power pulsed laser

Petr Jedlička; Josef Lazar; Ondřej Číp

doi:10.1117/12.638953

6 December 2006 Stabilized semiconductor laser master oscillator for a power pulsed laser

Proceedings Volume 5945, 14th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 594517 (2006) https://doi.org/10.1117/12.638953
Event: 14th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2005, Nitra, Slovakia

Abstract

We present a fully digital stabilized semiconductor laser system designed to operate as a fiber-optic front-end o a pulsed power laser PALS (Prague Asterix Laser System). With an operating wavelength of 1315.15 nm the stabilized laser is based on a telecommunication single-frequency DFB (Distributed FeedBack) diode. The lines are detected by means of linear absorption in a heated cell filled with thermally dissociated iodine. The detection scheme is based on a derivative spectroscopy with a current frequency modulation and thermal wavelength control. The detection chain together with stabilization servo loop is fully digital represented by signal-processing single-chip controllers. The operation of the controllers can be monitored by PC via CAN (Control Area Network) bus. The algorithm of the absorption spectrum scanning, line selection and locking makes it possible to operate the laser in a maintenance-free regime, monitored only by a "ready" signal from a control panel of the PALS.

Citation Download Citation

Petr Jedlička, Josef Lazar, and Ondřej Číp "Stabilized semiconductor laser master oscillator for a power pulsed laser", Proc. SPIE 5945, 14th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 594517 (6 December 2006); https://doi.org/10.1117/12.638953

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