Laser frequency shift up to 5 GHz with a high-efficiency 12-pass 350-MHz acousto-optic modulator

被引：15

作者：

Zhou, Chao ^{[1
]}

He, Chuan ^{[1
,2
]}

Yan, Si-Tong ^{[1
,2
]}

Ji, Yu-Hang ^{[1
]}

Zhou, Lin ^{[1
,3
]}

Wang, Jin ^{[1
,3
]}

Zhan, Ming-Sheng ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Wuhan Natl Lab Optoelect, Wuhan Inst Phys & Math,APM, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China

[2] Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Ctr Cold Atom Phys, Wuhan 430071, Peoples R China

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2020年 / 91卷 / 03期

基金：

中国国家自然科学基金;

关键词：

ATOM;

D O I：

10.1063/1.5142314

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We demonstrate a novel laser frequency shift scheme using a 12-pass 350-MHz acousto-optic modulator (AOM). This AOM system shows better performance compared to ordinary acousto-optic modulation schemes. The frequency of the incident laser beam is shifted by 4.2 GHz with the total diffraction efficiency as high as 11%, and the maximum frequency shift is 5 GHz. Combining the +/- 1st order diffraction, laser signals with up to 10 GHz frequency difference can be obtained, which fulfill most frequency shift requirements of laser cooling and coherent manipulation experiments with alkali metal atoms.

引用

页数：6

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