Accurate frequency measurement of a submillimeter wave gyrotron output using a far-infrared laser as a reference

被引：8

作者：

Idehara, T

Mitsudo, S

Saito, S

Ogawa, I

Okajima, S

机构：

[1] Fukui Univ, Res Ctr Dev Far Infrared Reg, Fukui 9108507, Japan

[2] Fukui Univ, Cryogen Lab, Fac Engn, Fukui 9108507, Japan

[3] Chubu Univ, Coll Engn, Aichi 4878501, Japan

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2003年 / 74卷 / 05期

关键词：

D O I：

10.1063/1.1568549

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Accurate measurement of gyrotron frequency has been carried out by using a far-infrared (FIR) molecular laser as a reference. Highly stable operation of a FIR laser enables us to make the resolution of frequency measurement so precisely that both the frequency width Deltaf and the frequency fluctuation level deltaf can be studied within the accuracy of 1 kHz or less. When our submillimeter wave gyrotron operates in cw mode, the observed frequency width Deltaf is around 2 kHz and the fluctuation level deltaf 10 kHz. Such an accurate measurement is a useful tool for development of high quality gyrotrons with stable frequency. (C) 2003 American Institute of Physics.

引用

页码：2860 / 2862

页数：3

共 7 条

[1] Effect of technical noise on radiation linewidth in free-running gyrotron oscillators [J].