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Optics Letters

Optics Letters


  • Vol. 27, Iss. 8 — Apr. 15, 2002
  • pp: 637–639

Second-harmonic generation from a KBe2 BO3F2 crystal in the deep ultraviolet

Chuangtian Chen, Junhua Lu, T. Togashi, T. Suganuma, T. Sekikawa, S. Watanabe, Zuyan Xu, and Jiyang Wang  »View Author Affiliations

Optics Letters, Vol. 27, Issue 8, pp. 637-639 (2002)

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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

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4400) Nonlinear optics : Nonlinear optics, materials

Chuangtian Chen, Junhua Lu, T. Togashi, T. Suganuma, T. Sekikawa, S. Watanabe, Zuyan Xu, and Jiyang Wang, "Second-harmonic generation from a KBe2 BO3F2 crystal in the deep ultraviolet," Opt. Lett. 27, 637-639 (2002)

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