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A direct generation of a high power (≫ 7 W) Laguerre-Gaussian output from a diode-pumped Nd:YVO4 1.3 μm bounce laser

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5 Author(s)

In this paper, we present the first demonstration, to the best of our knowledge, of a direct production of a high power (> 7 W) 1.3 μm LG mode from a diode-pumped Nd:YVO4 bounce amplifier with an asymmetric cavity configuration. This system does not require any additional phase elements such as a hologram and a phase plate for producing LG modes. An amplifier used was a 1 at.% Nd doped a-cut YVO4 slab with dimensions of 2 mm x 5 mm x 20 mm. A pump diode output was focused to be a line with dimensions of 0.2 mm x 18 mm onto the pump face. This laser can be extended to generate high intense pulses by Q-switching as well as mode-locking techniques, and it will open up a direct production of a high power optical vortex in visible as well as ultra-violet regime.

Published in:

Lasers and Electro-Optics, 2007 and the International Quantum Electronics Conference. CLEOE-IQEC 2007. European Conference on

Date of Conference:

17-22 June 2007