We present a simple technique to make in situ measurements of the absorption in the optics of high-power laser interferometers. The measurement is particularly useful to those commissioning large-scale high power optical systems.
© 2006 Optical Society of America
Instrumentation, Measurement, and Metrology
Original Manuscript: October 27, 2005
Manuscript Accepted: November 15, 2005
David Ottaway, Joseph Betzwieser, Stefan Ballmer, Sam Waldman, and William Kells, "In situ measurement of absorption in high-power interferometers by using beam diameter measurements," Opt. Lett. 31, 450-452 (2006)