Improved fourth harmonic generation in β-BaB2O4 by tight elliptical focusing perpendicular to walk-off plane

被引：17
|
作者：
Takahashi, Masakuni [1 ]
Osada, Akira [1 ]
Dergachev, Alex [2 ]
Moulton, Peter F. [2 ]
Cadatal-Raduban, Marilou [3 ]
Shimizu, Toshihiko [3 ]
Sarukura, Nobuhiko [3 ]
机构：
[1] Mitsubishi Mat Corp, Cent Res Inst, Naka, Ibaraki 3110102, Japan
[2] Q Peak Inc, Bedford, MA 01730 USA
[3] Osaka Univ, Inst Laser Engn, Suita, Osaka 5650871, Japan
来源：
JOURNAL OF CRYSTAL GROWTH | 2011年 / 318卷 / 01期
关键词：
Frequency conversion; UV generation; Borates; Nonlinear optic materials; NM;
D O I：
10.1016/j.jcrysgro.2010.10.082
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We present a scheme using beta-barium borate (BBO) crystal to maximize fourth-harmonic ultraviolet (UV) generation from high-power, kHz-range repetition rate Nd lasers by reducing thermal dephasing during the phase matching process. Thermal dephasing due to nonlinear absorption (NLA) induced by two-photon absorption of high peak power fourth-harmonic UV radiation is reduced by minimizing second- and fourth-harmonic beam overlap through tight elliptical focusing perpendicular to the walk-off plane, leading to multi-watt, kHz-range repetition rate UV generation in BBO crystal. With such beam shaping, nearly 5W at 10 kHz of 262-nm UV radiation is generated using an 8-mm long BBO crystal. The results of our investigation show an efficient way of achieving multi-watt UV generation at kHz-range repetition rate. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：606 / 609
页数：4
相关论文
共 50 条
  • [41] Intensity Autocorrelation Measurement of 400 nm Picosecond Optical Pulses from a GaInN Mode-Locked Semiconductor Laser Diode Using Surface Second Harmonic Generation of β-BaB2O4 Crystal
    Kono, Shunsuke
    Oki, Tomoyuki
    Kuramoto, Masaru
    Ikeda, Masao
    Yokoyama, Hiroyuki
    APPLIED PHYSICS EXPRESS, 2010, 3 (12)
  • [42] HIGH-EFFICIENCY AND WIDEBAND SINGLE-HARMONIC-GENERATION PROPERTIES OF THE NEW CRYSTAL BETA-BAB2O4
    CHEN, CT
    WU, BC
    YOU, GM
    JIANG, AD
    HUANG, YC
    JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 1984, 1 (03) : 434 - 435
  • [43] High-power, high-repetition-rate performance characteristics of β-BaB2O4 for single-pass picosecond ultraviolet generation at 266 nm
    Kumar, S. Chaitanya
    Casals, J. Canals
    Wei, Junxiong
    Ebrahim-Zadeh, M.
    OPTICS EXPRESS, 2015, 23 (21): : 28091 - 28103
  • [44] A TUNABLE UV-LIGHT SOURCE FOR LASER SPECTROSCOPY USING 2ND HARMONIC-GENERATION IN BETA-BAB2O4
    MUSCHENBORN, HJ
    THEISS, W
    DEMTRODER, W
    APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY, 1990, 50 (05): : 365 - 369
  • [45] ABSOLUTE AND RELATIVE NONLINEAR OPTICAL COEFFICIENTS OF KDP, KD-STAR-P, BAB2O4, LIIO3, MGO-LINBO3, AND KTP MEASURED BY PHASE-MATCHED 2ND-HARMONIC GENERATION
    ECKARDT, RC
    MASUDA, H
    FAN, YX
    BYER, RL
    IEEE JOURNAL OF QUANTUM ELECTRONICS, 1990, 26 (05) : 922 - 933
  • [46] Second harmonic generation from beta barium borate (beta-BaB2O4) thin films grown by metalorganic chemical vapor deposition
    Studebaker, DB
    Stauf, GT
    Baum, TH
    Marks, TJ
    Zhou, H
    Wong, GK
    APPLIED PHYSICS LETTERS, 1997, 70 (05) : 565 - 567
  • [47] GROUP-VELOCITY-MATCHED 2ND-HARMONIC GENERATION - AN EFFICIENT SCHEME FOR FEMTOSECOND ULTRAVIOLET PULSE GENERATION IN PERIODICALLY DOMAIN-INVERTED BETA-BAB2O4
    HAYATA, K
    KOSHIBA, M
    APPLIED PHYSICS LETTERS, 1993, 62 (18) : 2188 - 2190
  • [48] Second harmonic generation of the output of an AlGaAs diode oscillator amplifier system in critically phase matched LiB3O5 and beta-BaB2O4
    Beier, B
    Woll, D
    Scheidt, M
    Boller, KJ
    Wallenstein, R
    APPLIED PHYSICS LETTERS, 1997, 71 (03) : 315 - 317
  • [49] 2ND HARMONIC-GENERATION FROM NON-COLLINEAR ORTHOGONALLY POLARIZED ND YAG LASER-RADIATION IN BETA-BAB2O4
    BHAR, GC
    DAS, S
    CHATTERJEE, U
    JOURNAL OF PHYSICS D-APPLIED PHYSICS, 1989, 22 (04) : 562 - 563
  • [50] 0.43 J, 10 Hz fourth harmonic generation of Nd:YAG laser using large Li2B4O7 crystals
    Suzuki, Yuji
    Ono, Shingo
    Murakami, Hidetoshi
    Kozeki, Toshimasa
    Ohtake, Hideyuki
    Sarukura, Nobuhiko
    Masada, Genta
    Shiraishi, Hiroyuki
    Sekine, Ichiro
    2002, Japan Society of Applied Physics (41):
12345