Conductivity artifacts in optical-pump THz-probe measurements of YBa2Cu3O7

被引:51
作者
Averitt, RD [1 ]
Rodriguez, G [1 ]
Siders, JLW [1 ]
Trugman, SA [1 ]
Taylor, AJ [1 ]
机构
[1] Univ Calif Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA
关键词
D O I
10.1364/JOSAB.17.000327
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Transient changes in the complex conductivity of the high-temperature superconductor YBa2Cu3O7 have been measured with optical-pump THz-probe spectroscopy. Artifacts in the conductivity arise when optical excitation induces changes in the material response that occur on a time scale comparable with or faster than the THz pulse width. A model is presented that agrees with experiments and provides insight in distinguishing between artifacts and real features in transient conductivity measurements. (C) 2000 Optical Society of America [S0740-3224(00)01102-4].
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收藏
页码:327 / 331
页数:5
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共 19 条
[1]  
ANISIMOV SI, 1974, ZH EKSP TEOR FIZ+, V66, P776
[2]   2-FLUID INTERPRETATION OF THE CONDUCTIVITY OF CLEAN BCS SUPERCONDUCTORS [J].
BERLINSKY, AJ ;
KALLIN, C ;
ROSE, G ;
SHI, AC .
PHYSICAL REVIEW B, 1993, 48 (06) :4074-4079
[3]   Electrodynamics of high-temperature superconductors investigated with coherent terahertz pulse spectroscopy [J].
Brorson, SD ;
Buhleier, R ;
Trofimov, IE ;
White, JO ;
Ludwig, C ;
Balakirev, FF ;
Habermeier, HU ;
Kuhl, J .
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 1996, 13 (09) :1979-1993
[4]   GENERATION OF TERAHERTZ RADIATION USING ELECTROOPTIC CRYSTAL MOSAICS [J].
CARRIG, TJ ;
RODRIGUEZ, G ;
CLEMENT, TS ;
TAYLOR, AJ ;
STEWART, KR .
APPLIED PHYSICS LETTERS, 1995, 66 (01) :10-12
[5]   Pulsed terahertz transmission spectroscopy of liquid CHCl3, CCl4, and their mixtures [J].
Flanders, BN ;
Cheville, RA ;
Grischkowsky, D ;
Scherer, NF .
JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (29) :11824-11835
[6]   Conductivity peak, relaxation dynamics, and superconducting gap of YBa2Cu3O7 studied by terahertz and femtosecond optical spectroscopies [J].
Frenkel, A ;
Gao, F ;
Liu, Y ;
Whitaker, JF ;
Uher, C ;
Hou, SY ;
Phillips, JM .
PHYSICAL REVIEW B, 1996, 54 (02) :1355-1365
[7]   PICOSECOND TIME-RESOLVED FAR-INFRARED EXPERIMENTS ON CARRIERS AND EXCITONS IN GAAS-ALGAAS MULTIPLE-QUANTUM WELLS [J].
GROENEVELD, RHM ;
GRISCHKOWSKY, D .
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 1994, 11 (12) :2502-2507
[8]   IDENTIFYING THE DISTINCT PHASES OF CARRIER TRANSPORT IN SEMICONDUCTORS WITH 10-FS RESOLUTION [J].
HU, BB ;
DESOUZA, EA ;
KNOX, WH ;
CUNNINGHAM, JE ;
NUSS, MC ;
KUZNETSOV, AV ;
CHUANG, SL .
PHYSICAL REVIEW LETTERS, 1995, 74 (09) :1689-1692
[9]   Nature of conduction in doped silicon [J].
Jeon, TI ;
Grischkowsky, D .
PHYSICAL REVIEW LETTERS, 1997, 78 (06) :1106-1109
[10]   Theory for determination of the low-frequency time-dependent response function in liquids using time-resolved terahertz pulse spectroscopy [J].
Kindt, JT ;
Schmuttenmaer, CA .
JOURNAL OF CHEMICAL PHYSICS, 1999, 110 (17) :8589-8596