Title :
Self-pulsing dynamics of an optically-pumped far infrared ring laser
Author :
Maeda, K. ; Fujii, K. ; Sokabe, N.
Author_Institution :
Dept. of Appl. Phys., Osaka City Univ., Japan
Abstract :
We report the self-pulsing dynamics of a CH/sub 3/OH 119 /spl mu/m ring laser pumped with the CO/sub 2/ 9 /spl mu/m P(36) line. Regular pulsation and period bifurcation were observed under uni-directional operation. When the ring cavity was tuned so as to emit bi-directional output, modulated self-pulsing was observed on both the forward and backward emission. The observed dynamics is analyzed by a model of an inhomogeneously broadened three-level system interacting with a pump as well as with counter-propagating far infrared fields.
Keywords :
bifurcation; infrared sources; laser tuning; laser variables measurement; optical pumping; ring lasers; 119 micron; 9 micron; CH/sub 3/OH; CO/sub 2/; CO/sub 2/ line; bi-directional output emission; counter-propagating far infrared fields; forward/backward emission; inhomogeneously broadened three-level system analysis; laser pumping; laser self-pulsing dynamics; methanol; modulated self-pulsing; optically-pumped far IR ring lasers; period bifurcation; pump interaction; regular pulsation; ring cavity tuning; uni-directional operation; Bifurcation; Frequency; Laser excitation; Laser modes; Laser theory; Laser tuning; Mirrors; Optical pumping; Pump lasers; Ring lasers;
Conference_Titel :
Infrared and Millimeter Waves, 2002. Conference Digest. Twenty Seventh International Conference on
Conference_Location :
San Diego, CA, USA
Print_ISBN :
0-7803-7423-1
DOI :
10.1109/ICIMW.2002.1076084
