Abstract

A diode-pumped Nd:YAG laser is passively Q switched by using F2 color centers in lithium fluoride as a saturable absorber. When cw pumped with a laser diode, the laser produces pulses of 20–30-nsec duration at 1064 nm, with an energy of as much as 20 μJ and a peak power of more than 1 kW. Data are presented on pulse width, energy, and repetition rate as a function of pump power. When the laser is operated at high pulse energy levels, a gradual bleaching of the saturable absorber is observed.

© 1990 Optical Society of America

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1985 (1)

1984 (1)

I. I. Kuratev, Bull. Acad. Sci. USSR Phys. Ser. 48, 104 (1984).

1983 (1)

L. S. Kornienko, N. V. Kravtsov, V. A. Sidorov, Y. P. Yatsenko, Sov. J. Quantum Electron. 13, 943 (1983).
[CrossRef]

1982 (1)

T. T. Basiev, Y. K. Voron’ko, S. B. Mirov, V. V. Osiko, A. M. Prokhorov, Sov. J. Quantum Electron. 12, 530 (1982).
[CrossRef]

1981 (2)

K. Kubodera, K. Otsuka, IEEE J. Quantum Electron. QE-17, 1139 (1981).
[CrossRef]

A. P. Maiorov, V. K. Makukha, V. A. Smirnov, V. M. Tarasov, Sov. Phys. Tech. Phys. 26, 1409 (1981).

1972 (1)

H. G. Danielmeyer, F. W. Ostermayer, J. Appl. Phys. 43, 2911 (1972).
[CrossRef]

Basiev, T. T.

T. T. Basiev, Y. K. Voron’ko, S. B. Mirov, V. V. Osiko, A. M. Prokhorov, Sov. J. Quantum Electron. 12, 530 (1982).
[CrossRef]

Danielmeyer, H. G.

H. G. Danielmeyer, F. W. Ostermayer, J. Appl. Phys. 43, 2911 (1972).
[CrossRef]

Esherick, P.

Hadley, G. R.

Kornienko, L. S.

L. S. Kornienko, N. V. Kravtsov, V. A. Sidorov, Y. P. Yatsenko, Sov. J. Quantum Electron. 13, 943 (1983).
[CrossRef]

Kravtsov, N. V.

L. S. Kornienko, N. V. Kravtsov, V. A. Sidorov, Y. P. Yatsenko, Sov. J. Quantum Electron. 13, 943 (1983).
[CrossRef]

Kubodera, K.

K. Kubodera, K. Otsuka, IEEE J. Quantum Electron. QE-17, 1139 (1981).
[CrossRef]

Kuratev, I. I.

I. I. Kuratev, Bull. Acad. Sci. USSR Phys. Ser. 48, 104 (1984).

Maiorov, A. P.

A. P. Maiorov, V. K. Makukha, V. A. Smirnov, V. M. Tarasov, Sov. Phys. Tech. Phys. 26, 1409 (1981).

Makukha, V. K.

A. P. Maiorov, V. K. Makukha, V. A. Smirnov, V. M. Tarasov, Sov. Phys. Tech. Phys. 26, 1409 (1981).

Mirov, S. B.

T. T. Basiev, Y. K. Voron’ko, S. B. Mirov, V. V. Osiko, A. M. Prokhorov, Sov. J. Quantum Electron. 12, 530 (1982).
[CrossRef]

Osiko, V. V.

T. T. Basiev, Y. K. Voron’ko, S. B. Mirov, V. V. Osiko, A. M. Prokhorov, Sov. J. Quantum Electron. 12, 530 (1982).
[CrossRef]

Ostermayer, F. W.

H. G. Danielmeyer, F. W. Ostermayer, J. Appl. Phys. 43, 2911 (1972).
[CrossRef]

Otsuka, K.

K. Kubodera, K. Otsuka, IEEE J. Quantum Electron. QE-17, 1139 (1981).
[CrossRef]

Owyoung, A.

Prokhorov, A. M.

T. T. Basiev, Y. K. Voron’ko, S. B. Mirov, V. V. Osiko, A. M. Prokhorov, Sov. J. Quantum Electron. 12, 530 (1982).
[CrossRef]

Rahn, L. A.

Schmitt, R. L.

Sidorov, V. A.

L. S. Kornienko, N. V. Kravtsov, V. A. Sidorov, Y. P. Yatsenko, Sov. J. Quantum Electron. 13, 943 (1983).
[CrossRef]

Smirnov, V. A.

A. P. Maiorov, V. K. Makukha, V. A. Smirnov, V. M. Tarasov, Sov. Phys. Tech. Phys. 26, 1409 (1981).

Tarasov, V. M.

A. P. Maiorov, V. K. Makukha, V. A. Smirnov, V. M. Tarasov, Sov. Phys. Tech. Phys. 26, 1409 (1981).

Voron’ko, Y. K.

T. T. Basiev, Y. K. Voron’ko, S. B. Mirov, V. V. Osiko, A. M. Prokhorov, Sov. J. Quantum Electron. 12, 530 (1982).
[CrossRef]

Yatsenko, Y. P.

L. S. Kornienko, N. V. Kravtsov, V. A. Sidorov, Y. P. Yatsenko, Sov. J. Quantum Electron. 13, 943 (1983).
[CrossRef]

Bull. Acad. Sci. USSR Phys. Ser. (1)

I. I. Kuratev, Bull. Acad. Sci. USSR Phys. Ser. 48, 104 (1984).

IEEE J. Quantum Electron. (1)

K. Kubodera, K. Otsuka, IEEE J. Quantum Electron. QE-17, 1139 (1981).
[CrossRef]

J. Appl. Phys. (1)

H. G. Danielmeyer, F. W. Ostermayer, J. Appl. Phys. 43, 2911 (1972).
[CrossRef]

Opt. Lett. (1)

Sov. J. Quantum Electron. (2)

T. T. Basiev, Y. K. Voron’ko, S. B. Mirov, V. V. Osiko, A. M. Prokhorov, Sov. J. Quantum Electron. 12, 530 (1982).
[CrossRef]

L. S. Kornienko, N. V. Kravtsov, V. A. Sidorov, Y. P. Yatsenko, Sov. J. Quantum Electron. 13, 943 (1983).
[CrossRef]

Sov. Phys. Tech. Phys. (1)

A. P. Maiorov, V. K. Makukha, V. A. Smirnov, V. M. Tarasov, Sov. Phys. Tech. Phys. 26, 1409 (1981).

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Figures (5)

Fig. 1
Fig. 1

Transmission spectrum of an 8-mm-thick sample of LiF irradiated with a 108-R gamma dose showing the resulting F2 and F3 absorption bands.

Fig. 2
Fig. 2

Experimental configuration used for the passive Q-switching experiments. The 808-nm pump laser diode is coupled to the laser resonator by an optical fiber.

Fig. 3
Fig. 3

Passively Q-switched laser pulse with energy of 12 μJ and a FWHM pulse width of 22 nsec.

Fig. 4
Fig. 4

Laser Q-switching frequency versus the pump power for values of saturable cavity loss of 5.2% (crosses), 6.0% (circles), and 8.0% (squares). The corresponding pulse energies are also shown. The solid lines are least-squares fits to the data.

Fig. 5
Fig. 5

Results of fading of the saturable absorber. As the laser is operated the decreasing level of saturable loss leads to an increase in pulse frequency and a decrease in pulse energy. The solid curves are logarithmic least-squares fits to the data.

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