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Journal of Zhejiang University SCIENCE A

ISSN 1673-565X(Print), 1862-1775(Online), Monthly

2001 Vol.2 No.4 P.361-365

DIODER-PUMPED SELF-Q-SWITCHED Cr4+, Nd3+: YAG LASER WITH AMPLIFIER

The State Key Laboratory of Modem Optical Instrumentation, Zhejiang University, Hangzhou 310027, China; Institute of Optics, Berlin University of Technology, D-10623 Berlin, Germany

Abstract: This paper reports results of study on self-Q-switched Cr4+, Nd3+: YAG microchip lasers at 1.064 μm using a quasi-monolithic setup. Pulses with 6 to 60 ns wide (FWHM) and TEM00 mode produced under cw pumping with repetition rates ranging from 1.5 kHz to 23 kHz. Pulsed pumping yielded output puls es with repetition rates from 1 Hz to several kHz and excellent pulse stability. A pulsed pumped microchip os cillator and flash lamp pumped amplifiers were used to set up a MOPA(Master Oscillator and Power Amplifier) system generating 225 kW pulses with 8 ns width.

Key words: microchip laser, Cr4+,Nd3+:YAG, MOPA, oscillator, amplifier


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DOI:

10.1631/jzus.2001.0361

CLC number:

O432.1 + 2

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Received:

2000-10-29

Revision Accepted:

2001-08-08

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