Two-dimensional tissue imaging by use of parallel detection of ultrasound-modulated laser speckles

Gang Yao; Lihong V. Wang

doi:10.1117/12.386314

19 May 2000 Two-dimensional tissue imaging by use of parallel detection of ultrasound-modulated laser speckles

Gang Yao, Lihong V. Wang

Proceedings Volume 3916, Biomedical Optoacoustics; (2000) https://doi.org/10.1117/12.386314
Event: BiOS 2000 The International Symposium on Biomedical Optics, 2000, San Jose, CA, United States

Abstract

Ultrasound-modulated optical tomography in biological tissue was studied. An ultrasonic beam was focused into a biological tissue sample to modulate the laser light passing through the ultrasonic beam inside the tissue. The speckle field formed by the transmitted laser light was detected by a CCD camera with the source-synchronous-illumination lock- in technique. The ultrasound-modulated laser light reflects the local optical and mechanical properties within the ultrasonic beam and can be used for tomographic imaging of the tissue. We implemented frequency-swept modulation to obtain spatial resolution along the ultrasonic axis. 2D images of biological tissue were successfully obtained with both single frequency modulation and frequency-swept modulation. 3D images could be acquired as well in principle.

Citation Download Citation

Gang Yao and Lihong V. Wang "Two-dimensional tissue imaging by use of parallel detection of ultrasound-modulated laser speckles", Proc. SPIE 3916, Biomedical Optoacoustics, (19 May 2000); https://doi.org/10.1117/12.386314

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available