Abstract

Recently, a new noncontact reflection-mode imaging modality called photoacoustic remote sensing (PARS) microscopy was introduced providing optical absorption contrast. Unlike previous modalities, which rely on interferometric detection of a probe beam to measure surface oscillations, the PARS technique detects photoacoustic initial pressures induced by a pulsed laser at their origin by monitoring intensity modulations of a reflected probe beam. In this paper, a model describing the temporal evolution from a finite excitation pulse is developed with consideration given to the coherence length of the interrogation beam. Analytical models are compared with approximations, finite-difference time-domain (FDTD) simulations, and experiments with good agreement.

© 2017 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Photoacoustic elastic oscillation and characterization

Fei Gao, Xiaohua Feng, and Yuanjin Zheng
Opt. Express 23(16) 20617-20628 (2015)

Photoacoustic imaging of fluorophores using pump-probe excitation

Julia Märk, Franz-Josef Schmitt, Christoph Theiss, Hakan Dortay, Thomas Friedrich, and Jan Laufer
Biomed. Opt. Express 6(7) 2522-2535 (2015)

Dual-pulse nonlinear photoacoustic technique: a practical investigation

Chao Tian, Zhixing Xie, Mario L. Fabiilli, Shengchun Liu, Cheng Wang, Qian Cheng, and Xueding Wang
Biomed. Opt. Express 6(8) 2923-2933 (2015)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (5)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (72)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription