Temperature dependent blue second harmonic generation in Ba5Li2Ti2Nb8O30 microcrystals embedded in TeO2 glass-matrix

被引：8

作者：

Ahamad, M. Niyaz ^{[1
]}

Vasudevarao, A. ^{[2
]}

Gopalan, Venkatraman ^{[2
]}

Jain, Himanshu ^{[3
,4
]}

Varma, K. B. R. ^{[1
]}

机构：

[1] Indian Inst Sci, Ctr Mat Res, Bangalore 560012, Karnataka, India

[2] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA

[3] Lehigh Univ, Dept Mat Sci & Engn, Bethlehem, PA 18015 USA

[4] Lehigh Univ, Ctr Opt Technol, Bethlehem, PA 18015 USA

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2009年 / 355卷 / 28-30期

关键词：

Glass ceramics; Optical microscopy; Non-linear optics; Tellurites; HARMONIC-GENERATION; CERAMICS;

D O I：

10.1016/j.jnoncrysol.2009.03.009

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The as-quenched samples in the system (100 - x) TeO2-(x) Ba5Li2Ti2Nb8O30 (2 <= x <= 8) were found to be embedded with 10-20 mu m sized crystallites of the polar phase Ba5Li2Ti2Nb8O30 (BLTN). Blue (400 nm) second harmonic generation (SHG) was observed in transmission mode when 800 nm laser light was allowed to pass through the individual crystallites. The blue SHG signal was temperature dependent and its intensity was maximum at similar to 175 degrees C which was tentatively attributed to the concomitant changes associated with the refractive indices of the BLTN crystallites. The SHG intensity attained a minimum value around the Curie temperature of BLTN crystals. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1517 / 1520

页数：4

共 12 条

[1]

Ahamad MN, 2006, PHYS CHEM GLASSES-B, V47, P659

[2] MOLECULAR MECHANICS OF FERROELECTRIC TO PARAELECTRIC PHASE-TRANSITION IN BA-6TI-2NB-8O-30 VIA OPTICAL 2ND HARMONIC-GENERATION [J].

BERGMAN, JG .

OPTICS COMMUNICATIONS, 1976, 18 (01) :51-52

[3]

CONGSHAN Z, 1992, J NONCRYST SOLIDS, V144, P89

[4] Impedance-spectroscopy analysis of Ba5Li2Ti2Nb8O30 ferroelectric ceramics [J].

Dong, M ;

Reau, JM ;

Ravez, J .

SOLID STATE IONICS, 1996, 91 (3-4) :183-190

[5] DETERMINATION OF IMPORTANT PARAMETERS FOR 2ND-HARMONIC GENERATION IN LBO [J].

GONTIJO, I .

OPTICS COMMUNICATIONS, 1994, 108 (4-6) :324-328

[6] Determination of homogeneity of pure and doped lithium niobate by second harmonic generation temperature phase matching [J].

Horst, CAD ;

Kasemir, KU ;

Betzler, K .

JOURNAL OF APPLIED PHYSICS, 1998, 84 (09) :5158-5162

[7] Transparent ferroelectric glass-ceramics [J].

Jain, H .

FERROELECTRICS, 2004, 306 :111-127

[8]

MILLER RC, 1964, PHYS REV, V134, P1313

[9] Study of new rare earth family Pb1.6K1.2R0.2Nb5O15 (R = La, Nd, Sm, Eu and Gd) of tetragonal tungsten bronze-type ferroelectrics [J].

Oualla, M ;

Elaatmani, A ;

Daoud, M ;

Mezzane, D ;

Luk'yanchuk, I ;

Zegzouti, A .

SOLID STATE COMMUNICATIONS, 2004, 130 (12) :777-781

[10] IMPORTANT GENERALIZATION CONCERNING ROLE OF COMPETING FORCES IN DISPLACIVE PHASE-TRANSITIONS [J].

SAMARA, GA ;

SAKUDO, T ;

YOSHIMITSU, K .

PHYSICAL REVIEW LETTERS, 1975, 35 (26) :1767-1769

← 1 2 →