Title :
High sensitivity detection of laser ultrasound by photorefractive CdTe:Ti under an applied ac field
Author :
Paivasaari, K. ; Tuovinen, H. ; Jaaskelainen, T. ; Raita, E. ; Kamshilin, A.A. ; Gnatenko, Yu.P. ; Faryna, I.O. ; Bukivskij, P.M. ; Gamernyk, R.V. ; Paranchych, S.Yu.
Author_Institution :
Dept. of Phys., Joensuu Univ., Finland
Abstract :
The performance of a laser ultrasound receiver based on two-wave mixing in titanium doped cadmium telluride crystals under an applied ac field is described. High sensitivity and fast response time is achieved using a low-power laser.
Keywords :
cadmium compounds; multiwave mixing; photorefractive materials; titanium; ultrasonic materials testing; CdTe:Ti; applied ac field; fast response time; high sensitivity detection; laser ultrasound detection; laser ultrasound receiver; low-power laser; photorefractive CdTe:Ti crystals; two-wave mixing; Crystals; Delay; Optical interferometry; Optical mixing; Optical receivers; Optical sensors; Photorefractive effect; Photorefractive materials; Titanium; Ultrasonic imaging;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202219
