Photoacoustic characterization of optical laser components for 10.6 {mu}m
Conference
·
OSTI ID:552185
The paper deals with the study of characteristics of damage and damage onset of mirrors and substrates at 10.6 {mu}m wavelength of by means of photoacoustics using laser pulse irradiation with up to 10 pulses per on site. One group of the mirrors which have been investigated are commercially available polished uncoated Mo - and Cu - mirrors. A second set of mirrors consists of copper mirrors coated with NiCu - or Au - layer systems for enhanced reflectivity. NaCl - and ZnSe - substrates were selected as IR - transparent materials. For measuring the photoacoustic waves generated by laser pulse irradiation a piezoceramic detector is used. The simplified signal of the detector is sampled by a digital oscilloscope.
- Research Organization:
- International Society for Optical Engineering, Washington, DC (United States)
- OSTI ID:
- 552185
- Report Number(s):
- CONF-9410155--Vol.2428
- Country of Publication:
- United States
- Language:
- English
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