FREQUENCY-STABILIZED 3.39-MU-M HE-NE-LASER WITH NO FREQUENCY-MODULATION

被引:6
作者
NAKAZAWA, M [1 ]
MUSHA, T [1 ]
TAKO, T [1 ]
机构
[1] TOKYO INST TECHNOL,PRECIS MACHINERY & ELECTR RES LAB,MIDORI KU,YOKOHAMA 227,JAPAN
关键词
D O I
10.1063/1.326252
中图分类号
O59 [应用物理学];
学科分类号
摘要
The frequency of the 3.39-μm He-Ne laser whose output beam does not contain any artificial frequency modulation was newly stabilized in reference to the saturated absorption line of CH4 gas contained in an external cell. Instead of modulating frequency by vibrating the resonator length, the frequency modulation was given by an external vibrating mirror on which the laser beam was reflected. A 3.39-μm low-noise optical amplifier was also used for observing saturated absorption in the external cell. A signal proportional to a frequency deviation from the reference absorption line was fed back to the resonator to control its length such that the frequency deviation was minimized. The short-term stability so achieved under a proportional feedback control was ±1.25×10-12/min, the frequency drift was 2.3×10-10/h, and the long-term stability under an integral feedback control was ±3.5×10-11 over 5 h.
引用
收藏
页码:2544 / 2547
页数:4
相关论文
共 15 条
[1]   PRESSURE SHIFT AND BROADENING OF METHANE LINE AT 3.39 MU STUDIED BY LASER-SATURATED MOLECULAR ABSORPTION [J].
BARGER, RL ;
HALL, JL .
PHYSICAL REVIEW LETTERS, 1969, 22 (01) :4-+
[2]  
BASOV NG, 1969, JETP LETT, V9, P345
[3]  
BERGER J, 1969, REV SCI INSTRUM, V39, P1569
[4]   STANDING-WAVE SATURATION RESONANCES IN CO2 10.6-MU TRANSITIONS OBSERVED IN A LOW-PRESSURE ROOM-TEMPERATURE ABSORBER GAS [J].
FREED, C ;
JAVAN, A .
APPLIED PHYSICS LETTERS, 1970, 17 (02) :53-&
[5]   DOPPLER JITTER STABILIZATION OF A CO2 LASER [J].
GOLDBERG, MW ;
YUSEK, R .
APPLIED PHYSICS LETTERS, 1971, 18 (04) :135-&
[6]   IODINE HYPERFINE STRUCTURE OBSERVED IN SATURATED ABSORPTION AT 633-NM [J].
HANES, GR ;
DAHLSTROM, CE .
APPLIED PHYSICS LETTERS, 1969, 14 (11) :362-+
[7]   FREQUENCY STABILITY OF METHANE-STABILIZED HE-NE LASERS [J].
HELLWIG, H ;
BERGQUIS.JC ;
BELL, HE ;
KARTASCH.P .
JOURNAL OF APPLIED PHYSICS, 1972, 43 (02) :450-&
[8]  
KOSHELYAVSKII NB, 1972, JETP LETT, V15, P8
[9]  
LEE PH, 1967, APPL PHYS LETT, V10, P1
[10]  
Shimoda K., 1976, High-resolution laser spectroscopy, P11