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Rotational transition competition in a single-mode CO2laser
Witteman, W.J. and Carbone, Robert J. (1970) Rotational transition competition in a single-mode CO2laser. IEEE Journal of Quantum Electronics, 6 (7). pp. 462-466. ISSN 0018-9197
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| Abstract: | In the present work we have investigated the mechanism of rotational transition competition of a single-mode laser by studying the effect of small variations of the out-coupling loss factor. For this purpose we used on the out-coupling side one extra mirror with a reflectivity of only 1 percent. In this way the instability problem could be followed with a controllable out-coupling device having a variable reflectivity between 73.6 and 81.5 percent and a corresponding variation in out-coupling loss factor. Due to the nonzero rotational relaxation time we find a narrow range of the gain-to-loss ratio of respective transitions to have nonsingle oscillations. We have observed single as well as multioscillating transitions as a function of the loss factor. |
| Item Type: | Article |
| Copyright: | ©1970 IEEE |
| Link to this item: | http://purl.utwente.nl/publications/55631 |
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