Output power stabilization of a chemical oxygen-iodine laser with an external magnetic field

Author

Sugimoto, Daichi ; Endo, Masamori ; Nanri, Kenzo ; Takeda, Shyuzaburo ; Fujioka, Tomoo

Author_Institution

Dept. of Phys., Tokai Univ., Kanagawa, Japan

Volume

34

Issue

9

fYear

1998

fDate

9/1/1998 12:00:00 AM

Firstpage

1526

Lastpage

1532

Abstract

Laser power stabilization for a chemical oxygen-iodine laser (COIL) was demonstrated using a complete feedback system with an external magnetic field based on the Zeeman effect of the iodine transition. The input/output characteristics of the feedback system are theoretically analyzed and found to be consistent with the experimental results. As a result, highly stable output power of less than 0.4% rms fluctuation was successfully obtained even in the presence of disturbance associated with mechanical vibration. It was also found that the response time of the system was as short as 1 ms limited by the applied voltage of the electromagnet

Keywords

Zeeman effect; chemical lasers; iodine; laser feedback; laser stability; laser theory; laser transitions; oxygen; 1 ms; COIL; O₂-I; Zeeman effect; applied voltage; chemical oxygen-iodine laser; complete feedback system; electromagnet; external magnetic field; feedback system; highly stable output power; input/output characteristics; iodine transition; laser power stabilization; mechanical vibration; output power stabilization; response time; rms fluctuation; Chemical lasers; Fluctuations; Laser feedback; Laser stability; Laser theory; Laser transitions; Magnetic analysis; Output feedback; Power generation; Power lasers;

fLanguage

English

Journal_Title

Quantum Electronics, IEEE Journal of

Publisher

ieee

ISSN

0018-9197

Type

jour

DOI

10.1109/3.709567

Filename

709567