Title :
Enhancement of the sensitivity of an open micro-cavity based optoacoustic sensor
Author :
Peterson, Ronald ; Solis, Steven ; Bailin Zhang ; He Huang ; Jing Yong Ye
Author_Institution :
Dept. of Biomed. Eng., Univ. of Texas at San Antonio, San Antonio, TX, USA
Abstract :
We present a new method for sensitive ultrasound detection using an open-cavity optoacoustic sensor. Our results have demonstrated significant enhancement of detection sensitivity when the open-cavity sensor is used in media with large isothermal compressibility.
Keywords :
micro-optomechanical devices; microcavities; microsensors; optical sensors; photoacoustic effect; ultrasonic devices; isothermal compressibility; open microcavity based optoacoustic sensor; sensitive ultrasound detection; Cavity resonators; Laser beams; Liquids; Optical imaging; Optical reflection; Sensitivity; Ultrasonic imaging;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
