Table of Contents
Laser Chemistry
Volume 7 (1987), Issue 5-6, Pages 279-295

Intracavity Gain Detection Applied to Transient Inversions of IF

1Air Force Weapons Lab., Kirtland AFB, Albuquerque 87117, New Mexico, USA
2Sandia National Laboratories, P.O. Box 5800, Albuquerque 87185, NM, USA
3Physical Sciences Inc., P.O. Box 3100, Research Park, Andover 01810, MA, USA

Copyright © 1987 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A CW dye laser has been used to study transient optical gain on the B →X electronic transition of iodine monofluoride. By placing the gain generator inside the CW dye laser cavity, gain was readily observed even at levels too small to support lasing in a low loss cavity. Transient phenomena, including V–T energy transfer, were easily observable. An analysis of the intracavity gain detection technique revealed a method for estimating optical gain. The technique should be readily applicable to other systems.