High-resolution ultrasonic imaging using an etalon detector array

Sheng Wen Huang; Yang Hou; Shai Ashkenazi; Matthew O'Donnell

doi:10.1063/1.2982584

High-resolution ultrasonic imaging using an etalon detector array

Sheng Wen Huang, Yang Hou, Shai Ashkenazi, Matthew O'Donnell

Biomedical Engineering

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18 Scopus citations

Abstract

A photoacoustic imaging system was built and tested to demonstrate the feasibility of high-resolution low-noise ultrasonic imaging based on parallel detection using polymer etalons. Its capability of detecting ultrasound at different elements simultaneously in the optical end was verified by imaging three 49 μm beads. An average noise-equivalent pressure of 3.6 kPa over 50 MHz for 50 μm diameter detection elements in a two-dimensional array with a diameter of 1.35 mm and a detection bandwidth of 75 MHz at -3 dB was measured. These results demonstrate the potential of polymer etalons for high-frame-rate high-resolution three-dimensional photoacoustic and ultrasound pulse-echo imaging.

Original language	English (US)
Article number	113501
Journal	Applied Physics Letters
Volume	93
Issue number	11
DOIs	https://doi.org/10.1063/1.2982584
State	Published - 2008

Bibliographical note

Funding Information:
Support from NIH (Grant No. EB-003455) is gratefully acknowledged.

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High-resolution ultrasonic imaging using an etalon detector array

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