MILLIMETER-RESOLUTION OPTICAL TIME-DOMAIN REFLECTOMETRY USING A 4-WAVE-MIXING SAMPLING GATE

被引：0

作者：

SCHLAGER, JB ^{[1
]}

JINNO, M ^{[1
]}

FRANZEN, DL ^{[1
]}

机构：

[1] NIPPON TELEGRAPH & TEL PUBL CORP, OPT NETWORK SYST LABS, YOKOSUKA 23803, JAPAN

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1995年 / 7卷 / 02期

关键词：

D O I：

10.1109/68.345924

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report an optical time-domain reflectometer that employs an ultrafast optical switch based on nondegenerate four-wave mixing in a semiconductor laser amplifier. Two-point spatial resolution on the order of 1 mm over 2 m is demonstrated; Fresnel reflections with optical return losses greater than 53 dB are detected. Submillimeter-resolution optical time-domain reflectometery over a 100-m range should be possible with modifications to the pulse sources.

引用

页码：206 / 208

页数：3

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