Abstract

By use of KBe2BO3F2 (KBBF) crystal with a size of 10 mm×10 mm×1.2 mm and a special prism-coupling technique (PCT), fourth-harmonic generation of Ti:sapphire laser systems from 200 to 179.4 nm has been achieved. Moreover, with a Ti:sapphire laser with a 50-fs pulse duration and a 1-kHz repetition rate, conversion efficiency as high as 13% from 400 to 200 nm without any surface-loss correction has also been obtained. The data show that with the PCT a KBBF crystal can produce deep-UV coherent light with measurable power output.

© 2002 Optical Society of America

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References

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T. Suganuma, H. Kudo, O. Wakabayashi, H. Mizoguchi, K. Nakao, Y. Nabekawa, T. Togashi, and S. Watanabe, in Conference on Lasers and Electro-Optics (CLEO), Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), postdeadline paper CPD7-2.

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[CrossRef]

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V. Petrov, F. Rotermund, and F. Noack, Electron. Lett. 34, 1 (1998).

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Sekikawa, T.

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T. Suganuma, H. Kudo, O. Wakabayashi, H. Mizoguchi, K. Nakao, Y. Nabekawa, T. Togashi, and S. Watanabe, in Conference on Lasers and Electro-Optics (CLEO), Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), postdeadline paper CPD7-2.

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[CrossRef]

Togashi, T.

Y. Nabekawa, Y. Kuramoto, T. Togashi, T. Sekikawa, and S. Watanabe, Opt. Lett. 23, 1384 (1998).
[CrossRef]

T. Suganuma, H. Kudo, O. Wakabayashi, H. Mizoguchi, K. Nakao, Y. Nabekawa, T. Togashi, and S. Watanabe, in Conference on Lasers and Electro-Optics (CLEO), Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), postdeadline paper CPD7-2.

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T. Suganuma, H. Kudo, O. Wakabayashi, H. Mizoguchi, K. Nakao, Y. Nabekawa, T. Togashi, and S. Watanabe, in Conference on Lasers and Electro-Optics (CLEO), Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), postdeadline paper CPD7-2.

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C. Chen, J. Lu, G. Wang, Z. Xu, J. Wang, C. Zhang, and Y. Liu, Chin. Phys. Lett. 18, 1081 (2001).
[CrossRef]

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C. Chen, J. Lu, G. Wang, Z. Xu, J. Wang, C. Zhang, and Y. Liu, Chin. Phys. Lett. 18, 1081 (2001).
[CrossRef]

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Y. Nakekawa, D. Yashitomi, T. Sekikawa, and S. Watanabe, Opt. Lett. 26, 807 (2001).
[CrossRef]

Y. Nabekawa, Y. Kuramoto, T. Togashi, T. Sekikawa, and S. Watanabe, Opt. Lett. 23, 1384 (1998).
[CrossRef]

T. Suganuma, H. Kudo, O. Wakabayashi, H. Mizoguchi, K. Nakao, Y. Nabekawa, T. Togashi, and S. Watanabe, in Conference on Lasers and Electro-Optics (CLEO), Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), postdeadline paper CPD7-2.

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[CrossRef]

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C. Chen, Z. Xu, D. Deng, J. Zhang, G. K. L. Wong, B. Wu, N. Ye, and D. Tang, Appl. Phys. Lett. 68, 2930 (1996).
[CrossRef]

Xu, Z.

C. Chen, J. Lu, G. Wang, Z. Xu, J. Wang, C. Zhang, and Y. Liu, Chin. Phys. Lett. 18, 1081 (2001).
[CrossRef]

C. Chen, Z. Xu, D. Deng, J. Zhang, G. K. L. Wong, B. Wu, N. Ye, and D. Tang, Appl. Phys. Lett. 68, 2930 (1996).
[CrossRef]

Yashitomi, D.

Ye, N.

C. Chen, Z. Xu, D. Deng, J. Zhang, G. K. L. Wong, B. Wu, N. Ye, and D. Tang, Appl. Phys. Lett. 68, 2930 (1996).
[CrossRef]

Yonemura, M.

T. Zhang and M. Yonemura, Jpn. J. Appl. Phys. 36, 6353 (1997).
[CrossRef]

Zhang, C.

C. Chen, J. Lu, G. Wang, Z. Xu, J. Wang, C. Zhang, and Y. Liu, Chin. Phys. Lett. 18, 1081 (2001).
[CrossRef]

Zhang, J.

C. Chen, Z. Xu, D. Deng, J. Zhang, G. K. L. Wong, B. Wu, N. Ye, and D. Tang, Appl. Phys. Lett. 68, 2930 (1996).
[CrossRef]

Zhang, T.

T. Zhang and M. Yonemura, Jpn. J. Appl. Phys. 36, 6353 (1997).
[CrossRef]

Appl. Phys. Lett. (2)

C. Chen, Z. Xu, D. Deng, J. Zhang, G. K. L. Wong, B. Wu, N. Ye, and D. Tang, Appl. Phys. Lett. 68, 2930 (1996).
[CrossRef]

J. Comly and E. Garmire, Appl. Phys. Lett. 12, 7 (1968).
[CrossRef]

Chin. Phys. Lett. (1)

C. Chen, J. Lu, G. Wang, Z. Xu, J. Wang, C. Zhang, and Y. Liu, Chin. Phys. Lett. 18, 1081 (2001).
[CrossRef]

Electron. Lett. (1)

V. Petrov, F. Rotermund, and F. Noack, Electron. Lett. 34, 1 (1998).

Jpn. J. Appl. Phys. (1)

T. Zhang and M. Yonemura, Jpn. J. Appl. Phys. 36, 6353 (1997).
[CrossRef]

Opt. Lett. (4)

Other (1)

T. Suganuma, H. Kudo, O. Wakabayashi, H. Mizoguchi, K. Nakao, Y. Nabekawa, T. Togashi, and S. Watanabe, in Conference on Lasers and Electro-Optics (CLEO), Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), postdeadline paper CPD7-2.

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Figures (4)

Fig. 1
Fig. 1

Transmittance of the KBBF crystal in the UV region.

Fig. 2
Fig. 2

Diagram of the PCT.

Fig. 3
Fig. 3

Conversion efficiency and output power at 200 nm versus incident power.

Fig. 4
Fig. 4

Pulse widths of (top) 717.4-, (middle) 358.7-, and (bottom) 179.4-nm light.

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