Phase-locked optical divide-by-3 system for visible radiation

被引：9

作者：

Bernard, JE ^{[1
]}

Whitford, BG ^{[1
]}

Marmet, L ^{[1
]}

机构：

[1] Natl Res Council Canada, Inst Natl Measurement Stand, Ottawa, ON K1A 0R6, Canada

来源：

OPTICS LETTERS | 1999年 / 24卷 / 02期

关键词：

D O I：

10.1364/OL.24.000098

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An optical divide-by-3 system has been developed to phase lock a diode-pumped Tm:YAG laser at 148 THz (2022 nm) to a frequency near 1/3 that of an ultrastable diode laser system at 445 THz (674 nm). The 148-THz radiation is frequency doubled in angle-tuned AgGaS2 and frequency differenced with the 445-THz radiation in noncritically phase-matched LiNbO3, generating two signals at 297 THz, which are mixed on a photodiode. An electronic servo system is used to control the frequency of the Tm:YAG laser and to phase lock it to the visible diode laser output. Phase-locking periods of several minutes are routinely obtained.

引用

页码：98 / 100

页数：3

共 18 条

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