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6 December 2006Stabilized semiconductor laser master oscillator for a power pulsed laser
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.
Petr Jedlička,Josef Lazar, andOndřej 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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Petr Jedlička, Josef Lazar, 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