Patent 7876796 was granted and assigned to Imperial Innovations on January, 2011 by the United States Patent and Trademark Office.
A laser system comprises first and second laser sub-cavities each including a gain medium arranged to produce volume gain gratings. The laser system further includes a beam combiner arranged to combine emission from each cavity and direct emission from one cavity to the other. As a result a stale, phase-locked coherently combined emission system is provided.