Powerful single-frequency laser system based on a Cu-laser-pumped dye laser

V. I. Baraulya; S. M. Kobtsev; S. V. Kukarin; V. B. Sorokin

doi:10.1117/12.383458

24 April 2000 Powerful single-frequency laser system based on a Cu-laser-pumped dye laser

V. I. Baraulya, S. M. Kobtsev, S. V. Kukarin, V. B. Sorokin

Proceedings Volume 4071, International Conference on Atomic and Molecular Pulsed Lasers III; (2000) https://doi.org/10.1117/12.383458
Event: International Conference on Atomic and Molecular Pulsed Lasers III, 1999, Tomsk, Russian Federation

Abstract

Reported are the results of development, prototyping and investigation of a powerful laser system based on a frequency-stabilized dye jet laser pumped with a copper vapor laser. Short- and long-term frequency instability of the system is approximately +/- 50 MHz at output power 4.5 W in the 610 - 620 nm spectrum range. In case two amplification stages are used, the overall efficiency of the system is higher than 15%. It can be further bettered by raising the pump power of the output stage. The region of smooth output frequency tuning of the stabilized master oscillator is as wide as 8 GHz, while maintaining the scanning rate of up to 1 GHz/sec. The system allows pumping of the master oscillator as well as amplifiers with either open beam of a copper laser or by way of fiber delivery. When pumping the master oscillator through a fiber, for the first time we focused the radiation at the exit of the fiber by means of a modified Fraunhofer objective lens. This type of optical system creates the focal spot twice as small as the fiber diameter while maintaining minimum spherical aberrations.

Citation Download Citation

V. I. Baraulya, S. M. Kobtsev, S. V. Kukarin, and V. B. Sorokin "Powerful single-frequency laser system based on a Cu-laser-pumped dye laser", Proc. SPIE 4071, International Conference on Atomic and Molecular Pulsed Lasers III, (24 April 2000); https://doi.org/10.1117/12.383458

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