Anisotropy of two-photon absorption in BBO at 264 nm

被引：40
|
作者：
Isaenko, LI
Dragomir, A
McInerney, JG
Nikogosyan, DN [1 ]
机构：
[1] Natl Univ Ireland Univ Coll Cork, Dept Phys, Cork, Ireland
[2] Natl Univ Ireland Univ Coll Cork, Inst Nonlinear Sci, Cork, Ireland
[3] Russian Acad Sci, Siberian Branch, Design & Technol Inst Manocrystals, Novosibirsk 630058, Russia
来源：
OPTICS COMMUNICATIONS | 2001年 / 198卷 / 4-6期
关键词：
two-photon absorption; beta-barium borate;
D O I：
10.1016/S0030-4018(01)01525-5
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Femtosecond pulses at lambda = 264 nm were used to measure the two-photon absorption (TPA) coefficient in beta -BaB2O4 (BBO) crystal. It was found that nonlinear absorption in BBO depends significantly on crystal cut and/or beam polarization. For an ordinary beam propagating along the optical axis (\ \c) and perpendicular to it (perpendicular toc) the similar values of TPA coefficient were obtained, namely (68 +/- 6) x 10(-11) and (66 +/- 7) x 10(-11) cm/W. For an extraordinary beam (perpendicular toc) the TPA coefficient is significantly smaller, (47 +/- 5) x 10(-11) cm/W. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：433 / 438
页数：6
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