Absolute frequency measurement of the saturated absorption lines of methane in the 1.66 μm region

被引：16

作者：

Ishibashi, C

Kourogi, M

Imai, K

Widiyatmoko, B

Onae, A

Sasada, H

机构：

[1] Keio Univ, Fac Sci & Technol, Dept Phys, Kohoku Ku, Yokohama, Kanagawa 2238522, Japan

[2] Tokyo Inst Technol, Grad Sch Nagatsuta, Midori Ku, Yokohama, Kanagawa 2268502, Japan

[3] Natl Res Lab Metrol, Tsukuba, Ibaraki 3058563, Japan

[4] Japan Sci & Technol, CREST, Osaka, Japan

来源：

OPTICS COMMUNICATIONS | 1999年 / 161卷 / 4-6期

基金：

日本学术振兴会;

关键词：

optical frequency comb generator; near infrared diode laser; absolute frequency; methane;

D O I：

10.1016/S0030-4018(99)00045-0

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have determined the absolute frequencies of the R(0) and Q(1) transitions of the 2 nu(3) band of (CH4)-C-12 in the 1.66-mu m region to be 180.345 065 08(37) and 180.021 253 10(61) THz. The numbers in parentheses are the standard deviations in units of the last digit of the quoted frequencies. We have used the 1.54-mu m saturated absorption line of (C2H2)-C-13 as a frequency reference and an optical frequency comb generator for bridging the frequency difference of 14 THz between the 1.66- and 1.54-mu m radiations. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：223 / 226

页数：4

共 14 条

[1] OPTICAL FREQUENCY-MEASUREMENT OF THE (HCN)-C-12-N-14 LAMB-DIP-STABILIZED 1.5-MU-M DIODE-LASER [J].