[1] [1] H. Furuya, H. NaKao, I. Yamada et al.. Alleviation of photoinduced damage in GdxY1-xGa4O(BO3)3 at elevated crystal temperature for noncritically phase-matched 355-nm generation [J]. Opt. Lett., 2000, 25(21):1588～1590

[2] [2] Tetsuo Kojima, Susumu Konno, Shuichi Fujikawa et al.. 20-W ultraviolet-beam generation by fourth-harmonic generation of all-solid-state laser [J]. Opt. Lett., 2000, 25(1):58～60

[3] [3] Yusuke Mori, Ikuo Kuroda, Satoshi Nakajima et al.. New nonlinear optical crystal: cesium lithium borate [J]. Appl. Phys. Lett., 1995, 67(13):1818～1820

[9] [9] C. Zimmermann, V. Vuletic, A. Hemmerich et al.. All solid state laser source for tunable blue and ultraviolet radiation [J]. Appl. Phys. Lett., 1995, 66(18):2318～2320

[10] [10] Low Goldberg, Dahv A. V. Kliner. Deep-UV generation by frequency quadrupling of high-power GaAlAs semiconductor laser [J]. Opt. Lett., 1995, 20(10):1145～1147

[11] [11] K. Kondo, M. Oka, H. Wada et al.. Demonstration of long-term reliability of a 266-nm, continuous-wave, frequency-quadrupled solid-state laser using β-BaB2O4 [J]. Opt. Lett., 1998, 23(3):195～197

[12] [12] Jun Sakuma, Yuichi Asakawa, Minoru Obaru. Generation of 5-W deep-UV continuous-wave radiation at 266 nm by an external cavity with a CsLiB6O10 crystal [J]. Opt. Lett., 2004, 29(1):92～94

[13] [13] www.coherent.com.cn.