Free-space transient magneto-optic sampling

被引：33
|
作者：
Riordan, JA
Sun, FG
Lu, ZG
Zhang, XC
机构：
[1] Department of Physics, Rensselaer Polytechnic Institute, Troy
来源：
APPLIED PHYSICS LETTERS | 1997年 / 71卷 / 11期
关键词：
D O I：
10.1063/1.119934
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate a free-space magneto-optic sampling system to measure the transient magnetic component of a freely propagating terahertz beam. Preliminary results using two magneto-optic sensors are presented. A detection sensitivity of 10(-7) T of the picosecond magnetic field in a standard pump/probe configuration is obtained. In the current orthogonal geometry, a 13 ps risetime of the free-space magneto-optic signal is measured. A temporal resolution limited only by the material spin relaxation time in a velocity-matched geometry is anticipated. (C) 1997 American Institute of Physics.
引用
收藏
页码：1452 / 1454
页数：3
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