Real-time photoacoustic microscopy

A new technique in photoacoustic microscopy is described in which a line scan photoacoustic image is displayed directly on an oscilloscope screen and can be observed to change in real time. The new method differs from conventional photoacoustic microscopy in that the beam position is modulated rathe...

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Bibliographic Details
Published in:Applied physics letters 1984-11, Vol.45 (10), p.1037-1039
Main Author: QUIMBY, R. S
Format: Article
Language:English
Subjects:
Conventional optical microscopes
Exact sciences and technology
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Optical instruments, equipment and techniques
Physics
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Summary:A new technique in photoacoustic microscopy is described in which a line scan photoacoustic image is displayed directly on an oscilloscope screen and can be observed to change in real time. The new method differs from conventional photoacoustic microscopy in that the beam position is modulated rather than the beam intensity, so that the spatial distribution of sample defects is mapped into the time domain. The result is a photoacoustic line scan image quite similar to that obtained in the conventional way, but acquired in a time measured in milliseconds rather than minutes.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.95054