Abstract

We present a combined actively and passively Q-switched single-frequency laser that uses a codoped Cr4+,Nd3+:YAG crystal and an acousto-optic Q switch. At a maximum of 8.6 W absorbed pump power of fiber-coupled laser-diode arrays, the laser produces pulses of 1036 mW average power with a pulse duration of 8.31 ns at a repetition rate of 7.10 kHz. The output is a stable single longitudinal mode with a linewidth of 530 MHz and an interpulse timing jitter of 0.40 µs. We compare the laser with and without the Cr4+ as well as with and without an active Q switch.

© 2005 Optical Society of America

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    [CrossRef]
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    [CrossRef]
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Appl. Opt. (3)

Appl. Phys. Lett. (2)

N. D. Lai, M. Brunel, F. Bretenaker, and A. Le Floch, �??Stabilization of the repetition rate of passively Q-switched diode-pumped solid-state lasers,�?? Appl. Phys. Lett. 79, 1073�??1075 (2001).
[CrossRef]

W. R. Sooy, �??The natural selection of modes in a passive Q-switched laser,�?? Appl. Phys. Lett. 7, 36�??37 (1965).
[CrossRef]

Electron. Lett. (2)

B. Hansson and M. Arvidsson, �??Q-switched microchip laser with 65 ps timing jitter,�?? Electron. Lett. 36, 1123�??1124 (2000).
[CrossRef]

S. Spiekermann, M. Bode, C. Fallnich, H. Welling, and I. Freitag, �??Actively Q-switched miniature Nd:YAG ring laser in single-frequency operation,�?? Electron. Lett. 34, 2246�??2247 (1998).
[CrossRef]

Lithuanian Phys. J. (1)

R. Buzelis, A. Dement�??ev, J. Kosenko, E. Murauskas, R. Navakas, and M. Radzhiunas, �??Generation of short pulses with low jitter in combined actively and passively Q-switched Nd:YAG laser with short resonator,�?? Lithuanian Phys. J. 38, 248�??257 (1998).

Opt. Commun. (1)

A. Agnesi, S. Dell�??Acqua, and G. C. Reali, �??1.5 Watt passively Q-switched diode-pumped cw Nd:YAG laser,�?? Opt. Commun. 133, 211�??215 (1997).
[CrossRef]

Opt. Lett. (2)

Proc. SPIE (1)

M. Arvidsson, B. Hansson, M. Holmgren, and C. Lindstrom, �??A combined actively and passively Q-switched microchip laser,�?? in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE 3265, 106�??113 (1998).

Rev. Sci. Instrum. (1)

A. Owyoung and E. D. Jones, �??Control of temporal and spectral jitter in single mode pulsed Nd:YAG oscillators,�?? Rev. Sci. Instrum. 49, 266�??267 (1978).
[CrossRef]

Other (1)

W. Koechner, Solid-State Laser Engineering, 5th ed. (Springer-Verlag, Berlin, 1999), Chap. 5.2.3, pp. 253�??256.

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