Induced heating by nonlinear absorption in LiNbO3-type crystals under continuous-wave laser irradiation

被引：9

作者：

Kato, Susumu ^{[1
]}

Kurimura, Sunao ^{[2
]}

Lim, Hwan Hong ^{[2
]}

Mio, Norikatsu ^{[3
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Cent 2,1-1-1 Umezono, Tsukuba, Ibaraki 3058568, Japan

[2] Natl Inst Mat Sci, Adv Mat Lab, Tsukuba, Ibaraki 3050044, Japan

[3] Univ Tokyo, Photon Sci Ctr, Bunkyo Ku, Tokyo 1138656, Japan

来源：

OPTICAL MATERIALS | 2015年 / 40卷

关键词：

Catastrophic breakdown; LiNbO3-type crystal; Continuous-wave laser; Polaron; Accumulation effect; PERIODICALLY POLED LINBO3; LITHIUM-NIOBATE CRYSTALS; 2ND-HARMONIC GENERATION; SMALL POLARONS; ENERGY; TIME;

D O I：

10.1016/j.optmat.2014.11.029

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We investigate light-induced heating by nonlinear absorption in LiNbO3-type crystals under continuous-wave (CW) laser irradiation. The heat source is one-photon absorption by long-lived excited states created by two-photon absorption. The accumulated effect of excited states, which act as light absorbers, is significant for a CW laser. Light-induced heating causes catastrophic CW laser breakdown in LiNbO3-type crystals in which the band-gap energy is less than twice the photon energy and in which long-lived excited states, like polarons, can exist. For LiNbO3, the threshold intensity for catastrophic breakdown is estimated to be in the order of MW/cm(2). (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：10 / 13

页数：4

共 28 条

[1] Lifetime of small polarons in iron-doped lithium-niobate crystals [J].

Berben, D ;

Buse, K ;

Wevering, S ;

Herth, P ;

Imlau, M ;

Woike, T .

JOURNAL OF APPLIED PHYSICS, 2000, 87 (03) :1034-1041

[2] Generation of small bound polarons in lithium niobate crystals on the subpicosecond time scale [J].

Beyer, O. ;

Maxein, D. ;

Woike, Th. ;

Buse, K. .

APPLIED PHYSICS B-LASERS AND OPTICS, 2006, 83 (04) :527-530

[3] Influence of Mg doping on the behaviour of polaronic light-induced absorption in LiNbO3 [J].

Conradi, D. ;

Merschjann, C. ;

Schoke, B. ;

Imlau, M. ;

Corradi, G. ;

Polgar, K. .

PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS, 2008, 2 (06) :284-286

[4] OPTICAL-PROPERTIES OF LARGE AND SMALL POLARONS AND BIPOLARONS [J].

EMIN, D .

PHYSICAL REVIEW B, 1993, 48 (18) :13691-13702

[5]

Emin D, 2013, POLARONS, P1

[6] Comparative study on light-induced absorption between MgO:LiNbO3 and MgO:LiTaO3 [J].

Enomoto, Satoshi ;

Ashihara, Satoshi .

JOURNAL OF APPLIED PHYSICS, 2011, 110 (06)

[7] SOLITARY THERMAL-SHOCK WAVES AND OPTICAL-DAMAGE IN OPTICAL FIBERS - THE FIBER FUSE [J].

HAND, DP ;

RUSSELL, PS .

OPTICS LETTERS, 1988, 13 (09) :767-769

[8] Evidence for light-induced hole polarons in LiNbO3 -: art. no. 067404 [J].

Herth, P ;

Granzow, T ;

Schaniel, D ;

Woike, T ;

Imlau, M ;

Krätzig, E .

PHYSICAL REVIEW LETTERS, 2005, 95 (06)

[9] Polarons generated by laser pulses in doped LiNbO3 -: art. no. 125128 [J].

Herth, P ;

Schaniel, D ;

Woike, T ;

Granzow, T ;

Imlau, M ;

Krätzig, E .

PHYSICAL REVIEW B, 2005, 71 (12)

[10] High energy quasi-phase matched optical parametric oscillation using Mg-doped congruent LiTaO3 crystal [J].

Ishizuki, Hideki ;

Taira, Takunori .

OPTICS EXPRESS, 2010, 18 (01) :253-258

← 1 2 3 →