Abstract

We have generated 15  W of UV (255-nm) radiation with an optical conversion efficiency of 28% by frequency doubling the 510.6-nm output of a high-beam-quality, high-power copper laser system in cesium borate lithium (CLBO). We found that the superior performance of CLBO relative to β-barium borate is attributable largely to the small UV absorption and wide temperature acceptance bandwidth of CLBO, which reduces thermal dephasing during high-power UV generation.

© 2001 Optical Society of America

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  1. T. Kojima, S. Konno, S. Fujikawa, K. Yasui, K. Yoshizawa, Y. Mori, T. Sasaki, M. Tanaka, and Y. Okada, Opt. Lett. 25, 58–60 (2000).
    [CrossRef]
  2. U. Stamm, W. Zschocke, T. Shröder, N. Deutsch, and D. Basting, in Advanced Solid State Lasers, Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), pp. 7–9.
  3. R. I. Trickett, M. J. Withford, and D. J. W. Brown, Opt. Lett. 23, 189–191 (1998).
    [CrossRef]
  4. W. A. Molander, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper CThM2, p. 363.
  5. D. J. W. Brown, M. J. Withford, and J. A. Piper, IEEE J. Quantum Electron. 37, 518–524 (2001).
    [CrossRef]
  6. C. Korner, R. Mayerhofer, M. Hartmann, and H. W. Bergmann, Appl. Phys. A 63, 123–131 (1996).
    [CrossRef]
  7. D. W. Coutts and J. A. Piper, IEEE J. Quantum Electron. 28, 1761–1764 (1992).
    [CrossRef]
  8. Y. K. Yap, T. Inoue, H. Sasaki, Y. Kagebayashi, Y. Mori, T. Sasaki, K. Deki, and M. Horiguchi, Opt. Lett. 23, 34–36 (1998).
    [CrossRef]
  9. T. Sasaki, Y. Mori, M. Yoshimura, Y. K. Yap, and T. Kamimura, Mater. Sci. Eng. 30, 1–54 (2000).
    [CrossRef]
  10. D. Eimerl, L. Davis, S. Velsko, E. K. Graham, and A. Zalkin, J. Appl. Phys. 62, 1968–1983 (1987).
    [CrossRef]
  11. Note that, in this paper, we used the full width definition of acceptance angle and temperature rather than the full width at half-maximum. These values were calculated from the FWHM values9,10 with the expressions reported by Eimerl et al.10
  12. D. W. Coutts, IEEE J. Quantum Electron. 31, 2208–2214 (1995).
    [CrossRef]
  13. D. W. Coutts and D. J. W. Brown, IEEE J. Select. Top. Quantum Electron. 1, 768–778 (1995).
    [CrossRef]
  14. D. Eimerl, IEEE J. Quantum Electron. QE-23, 575–592 (1987).
    [CrossRef]

2001 (1)

D. J. W. Brown, M. J. Withford, and J. A. Piper, IEEE J. Quantum Electron. 37, 518–524 (2001).
[CrossRef]

2000 (2)

1998 (2)

1996 (1)

C. Korner, R. Mayerhofer, M. Hartmann, and H. W. Bergmann, Appl. Phys. A 63, 123–131 (1996).
[CrossRef]

1995 (2)

D. W. Coutts, IEEE J. Quantum Electron. 31, 2208–2214 (1995).
[CrossRef]

D. W. Coutts and D. J. W. Brown, IEEE J. Select. Top. Quantum Electron. 1, 768–778 (1995).
[CrossRef]

1992 (1)

D. W. Coutts and J. A. Piper, IEEE J. Quantum Electron. 28, 1761–1764 (1992).
[CrossRef]

1987 (2)

D. Eimerl, IEEE J. Quantum Electron. QE-23, 575–592 (1987).
[CrossRef]

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, and A. Zalkin, J. Appl. Phys. 62, 1968–1983 (1987).
[CrossRef]

Basting, D.

U. Stamm, W. Zschocke, T. Shröder, N. Deutsch, and D. Basting, in Advanced Solid State Lasers, Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), pp. 7–9.

Bergmann, H. W.

C. Korner, R. Mayerhofer, M. Hartmann, and H. W. Bergmann, Appl. Phys. A 63, 123–131 (1996).
[CrossRef]

Brown, D. J. W.

D. J. W. Brown, M. J. Withford, and J. A. Piper, IEEE J. Quantum Electron. 37, 518–524 (2001).
[CrossRef]

R. I. Trickett, M. J. Withford, and D. J. W. Brown, Opt. Lett. 23, 189–191 (1998).
[CrossRef]

D. W. Coutts and D. J. W. Brown, IEEE J. Select. Top. Quantum Electron. 1, 768–778 (1995).
[CrossRef]

Coutts, D. W.

D. W. Coutts, IEEE J. Quantum Electron. 31, 2208–2214 (1995).
[CrossRef]

D. W. Coutts and D. J. W. Brown, IEEE J. Select. Top. Quantum Electron. 1, 768–778 (1995).
[CrossRef]

D. W. Coutts and J. A. Piper, IEEE J. Quantum Electron. 28, 1761–1764 (1992).
[CrossRef]

Davis, L.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, and A. Zalkin, J. Appl. Phys. 62, 1968–1983 (1987).
[CrossRef]

Deki, K.

Deutsch, N.

U. Stamm, W. Zschocke, T. Shröder, N. Deutsch, and D. Basting, in Advanced Solid State Lasers, Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), pp. 7–9.

Eimerl, D.

D. Eimerl, IEEE J. Quantum Electron. QE-23, 575–592 (1987).
[CrossRef]

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, and A. Zalkin, J. Appl. Phys. 62, 1968–1983 (1987).
[CrossRef]

Fujikawa, S.

Graham, E. K.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, and A. Zalkin, J. Appl. Phys. 62, 1968–1983 (1987).
[CrossRef]

Hartmann, M.

C. Korner, R. Mayerhofer, M. Hartmann, and H. W. Bergmann, Appl. Phys. A 63, 123–131 (1996).
[CrossRef]

Horiguchi, M.

Inoue, T.

Kagebayashi, Y.

Kamimura, T.

T. Sasaki, Y. Mori, M. Yoshimura, Y. K. Yap, and T. Kamimura, Mater. Sci. Eng. 30, 1–54 (2000).
[CrossRef]

Kojima, T.

Konno, S.

Korner, C.

C. Korner, R. Mayerhofer, M. Hartmann, and H. W. Bergmann, Appl. Phys. A 63, 123–131 (1996).
[CrossRef]

Mayerhofer, R.

C. Korner, R. Mayerhofer, M. Hartmann, and H. W. Bergmann, Appl. Phys. A 63, 123–131 (1996).
[CrossRef]

Molander, W. A.

W. A. Molander, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper CThM2, p. 363.

Mori, Y.

Okada, Y.

Piper, J. A.

D. J. W. Brown, M. J. Withford, and J. A. Piper, IEEE J. Quantum Electron. 37, 518–524 (2001).
[CrossRef]

D. W. Coutts and J. A. Piper, IEEE J. Quantum Electron. 28, 1761–1764 (1992).
[CrossRef]

Sasaki, H.

Sasaki, T.

Shröder, T.

U. Stamm, W. Zschocke, T. Shröder, N. Deutsch, and D. Basting, in Advanced Solid State Lasers, Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), pp. 7–9.

Stamm, U.

U. Stamm, W. Zschocke, T. Shröder, N. Deutsch, and D. Basting, in Advanced Solid State Lasers, Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), pp. 7–9.

Tanaka, M.

Trickett, R. I.

Velsko, S.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, and A. Zalkin, J. Appl. Phys. 62, 1968–1983 (1987).
[CrossRef]

Withford, M. J.

D. J. W. Brown, M. J. Withford, and J. A. Piper, IEEE J. Quantum Electron. 37, 518–524 (2001).
[CrossRef]

R. I. Trickett, M. J. Withford, and D. J. W. Brown, Opt. Lett. 23, 189–191 (1998).
[CrossRef]

Yap, Y. K.

T. Sasaki, Y. Mori, M. Yoshimura, Y. K. Yap, and T. Kamimura, Mater. Sci. Eng. 30, 1–54 (2000).
[CrossRef]

Y. K. Yap, T. Inoue, H. Sasaki, Y. Kagebayashi, Y. Mori, T. Sasaki, K. Deki, and M. Horiguchi, Opt. Lett. 23, 34–36 (1998).
[CrossRef]

Yasui, K.

Yoshimura, M.

T. Sasaki, Y. Mori, M. Yoshimura, Y. K. Yap, and T. Kamimura, Mater. Sci. Eng. 30, 1–54 (2000).
[CrossRef]

Yoshizawa, K.

Zalkin, A.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, and A. Zalkin, J. Appl. Phys. 62, 1968–1983 (1987).
[CrossRef]

Zschocke, W.

U. Stamm, W. Zschocke, T. Shröder, N. Deutsch, and D. Basting, in Advanced Solid State Lasers, Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), pp. 7–9.

Appl. Phys. A (1)

C. Korner, R. Mayerhofer, M. Hartmann, and H. W. Bergmann, Appl. Phys. A 63, 123–131 (1996).
[CrossRef]

IEEE J. Quantum Electron. (4)

D. W. Coutts and J. A. Piper, IEEE J. Quantum Electron. 28, 1761–1764 (1992).
[CrossRef]

D. J. W. Brown, M. J. Withford, and J. A. Piper, IEEE J. Quantum Electron. 37, 518–524 (2001).
[CrossRef]

D. W. Coutts, IEEE J. Quantum Electron. 31, 2208–2214 (1995).
[CrossRef]

D. Eimerl, IEEE J. Quantum Electron. QE-23, 575–592 (1987).
[CrossRef]

IEEE J. Select. Top. Quantum Electron. (1)

D. W. Coutts and D. J. W. Brown, IEEE J. Select. Top. Quantum Electron. 1, 768–778 (1995).
[CrossRef]

J. Appl. Phys. (1)

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, and A. Zalkin, J. Appl. Phys. 62, 1968–1983 (1987).
[CrossRef]

Mater. Sci. Eng. (1)

T. Sasaki, Y. Mori, M. Yoshimura, Y. K. Yap, and T. Kamimura, Mater. Sci. Eng. 30, 1–54 (2000).
[CrossRef]

Opt. Lett. (3)

Other (3)

W. A. Molander, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper CThM2, p. 363.

U. Stamm, W. Zschocke, T. Shröder, N. Deutsch, and D. Basting, in Advanced Solid State Lasers, Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), pp. 7–9.

Note that, in this paper, we used the full width definition of acceptance angle and temperature rather than the full width at half-maximum. These values were calculated from the FWHM values9,10 with the expressions reported by Eimerl et al.10

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Figures (4)

Fig. 1
Fig. 1

Schematic of the MOPA and the optical layout. R, radius of curvature.

Fig. 2
Fig. 2

UV output powers generated from two different CLBO crystals, (a) and (b), and a BBO crystal for pulse repetition frequencies ranging from 10  Hz to 12  kHz.

Fig. 3
Fig. 3

Increase in crystal temperature for CLBO and BBO calculated from the change in phase-matching angle.

Fig. 4
Fig. 4

Pulse shapes of the depleted and the undepleted fundamental, with the instantaneous conversion efficiency corresponding to SHG for CLBO at 12  kHz PRF.

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