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High power, long pulse duration, single-frequency Nd:YVO4 master-oscillator power-amplifier

High power, long pulse duration, single-frequency Nd:YVO4 master-oscillator power-amplifier
High power, long pulse duration, single-frequency Nd:YVO4 master-oscillator power-amplifier
An efficient single-frequency Nd:YVO4 master-oscillator power-amplifier is described. Gated pulses from a CW diode-pumped ring laser were amplified by three Nd:YVO4 amplifiers. Pulses of 1mJ energy; 2kW peak power and 1µs duration were obtained at a repetition frequency of 10kHz. Analogue shaping of the input pulses was used to control the output pulse shape and thus extend the useful range of pulse widths from the ~100ns to the ~µs regime. A simple mathematical expression was used to model the results which provided reasonable agreement with the experimental work. This system offers a promising pump source for a quasi-CW singly-resonant optical parametric oscillators.
Nd:YVO4, end-pumping, laser amplifier, microsecond pulses, pulse shaping
0030-4018
361-367
Yarrow, M.J.
2aa04109-cc16-4cc8-abcc-7b82816693d5
Kim, J.W.
43f1b0c3-5a59-4449-a56a-386668bd061a
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Yarrow, M.J.
2aa04109-cc16-4cc8-abcc-7b82816693d5
Kim, J.W.
43f1b0c3-5a59-4449-a56a-386668bd061a
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2

Yarrow, M.J., Kim, J.W. and Clarkson, W.A. (2007) High power, long pulse duration, single-frequency Nd:YVO4 master-oscillator power-amplifier. Optics Communications, 270 (2), 361-367. (doi:10.1016/j.optcom.2006.09.027).

Record type: Article

Abstract

An efficient single-frequency Nd:YVO4 master-oscillator power-amplifier is described. Gated pulses from a CW diode-pumped ring laser were amplified by three Nd:YVO4 amplifiers. Pulses of 1mJ energy; 2kW peak power and 1µs duration were obtained at a repetition frequency of 10kHz. Analogue shaping of the input pulses was used to control the output pulse shape and thus extend the useful range of pulse widths from the ~100ns to the ~µs regime. A simple mathematical expression was used to model the results which provided reasonable agreement with the experimental work. This system offers a promising pump source for a quasi-CW singly-resonant optical parametric oscillators.

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More information

Published date: 2007
Keywords: Nd:YVO4, end-pumping, laser amplifier, microsecond pulses, pulse shaping

Identifiers

Local EPrints ID: 46890
URI: https://eprints.soton.ac.uk/id/eprint/46890
ISSN: 0030-4018
PURE UUID: 6631e657-d88e-4a54-a528-22e1ece49cff

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Date deposited: 23 Jul 2007
Last modified: 13 Mar 2019 21:01

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Contributors

Author: M.J. Yarrow
Author: J.W. Kim
Author: W.A. Clarkson

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