Non-contact photoacoustic imaging using laser speckle contrast analysis

Non-contact photoacoustic imaging using laser speckle contrast analysis

A novel method for non-contact and continuous detection of photoacoustic signals is presented and experimentally demonstrated. The approach is based on analysis of the contrast of time-varying speckle patterns, and suggests a more robust alternative in respect to interferometric and refractometric a...

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Veröffentlicht in:Optics letters 2019-06, Vol.44 (12), p.3110-3113
Hauptverfasser: Benyamin, Matan, Genish, Hadar, Califa, Ran, Schwartz, Ariel, Zalevsky, Zeev, Ozana, Nisan
Format: Artikel
Sprache:eng
Schlagworte:
Speckle patterns
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Beschreibung
Zusammenfassung:A novel method for non-contact and continuous detection of photoacoustic signals is presented and experimentally demonstrated. The approach is based on analysis of the contrast of time-varying speckle patterns, and suggests a more robust alternative in respect to interferometric and refractometric available solutions.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.44.003110