Accurate determination of two-photon absorption coefficients in fused silica and crystalline quartz at 264 nm

被引：7
|
作者：
Chróinín, JN
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
来源：
OPTICS COMMUNICATIONS | 2001年 / 187卷 / 1-3期
关键词：
two-photon absorption; fused silica; crystalline quartz;
D O I：
10.1016/S0030-4018(00)01095-6
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Femtosecond UV pulses at the fourth harmonic of Nd:glass laser radiation (lambda = 264 nm) were used to generate nonlinear absorption measurement in three types of commercial fused silica and one crystalline quartz sample. The two-photon absorption (TPA) coefficient values for fused silica depend on the type and vary between 1.5 +/- 0.1 x 10(-11) and 2.3 +/- 0.2 x 10(-11) cm W-1. For crystalline quartz a noticeably smaller value of 9.1 +/- 0.9 x 10(-12) cm W-1 was obtained. All TPA coefficient values have been determined with much higher accuracy than before. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：185 / 191
页数：7
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