title: Development of a new pulsed source for photoacoustic imaging based on aperiodically poled lithium niobate.
abstract: We present the development of a source of deep-red radiation for photoacoustic imaging. This source, which is based on two cascaded wavelength conversion processes in aperiodically poled lithium niobate, emits 10 nanosecond pulses of over 500 µJ at 710 nm. Photoacoustic images were obtained from phantoms designed to mimic the optical and acoustic properties of oral tissue. Results indicate this device is a viable source of optical pulses for photoacoustic applications.
authors.affiliation: Department of Electrical and Computer Engineering, University of California, 3101 Kemper Hall, Davis, California, 95616, USA ; Department of Biomedical Engineering, University of California, 451 Health Sciences Drive, Davis, California, 95616, USA.
authors.forename: Diego
authors.initials: D
authors.lastname: Yankelevich
authors.affiliation: Department of Optics, Centro de Investigación Científica y Educación Superior de Ensenada, Ensenada 22880, Mexico.
authors.forename: J E
authors.initials: JE
authors.lastname: González
authors.affiliation: Department of Optics, Centro de Investigación Científica y Educación Superior de Ensenada, Ensenada 22880, Mexico.
authors.forename: Roger S
authors.initials: RS
authors.lastname: Cudney
authors.affiliation: Department of Optics, Centro de Investigación Científica y Educación Superior de Ensenada, Ensenada 22880, Mexico.
authors.forename: Luis A
authors.initials: LA
authors.lastname: Ríos
authors.affiliation: Department of Electrical and Computer Engineering, University of California, 3101 Kemper Hall, Davis, California, 95616, USA.
authors.forename: Laura
authors.initials: L
authors.lastname: Marcu
keywords: (160.3730) Lithium niobate; (170.1065) Acousto-optics; (170.3880) Medical and biological imaging; (190.4223) Nonlinear wave mixing