Slow light for deep tissue imaging with ultrasound modulation | Zendy

Huiliang Zhang | Zendy; Mahmood Sabooni | Zendy; Lars Rippe | Zendy; Chulhong Kim | Zendy; Stefan Kröll | Zendy; Lihong V. Wang | Zendy; Philip Hemmer | Zendy

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Slow light for deep tissue imaging with ultrasound modulation

Author(s) -

Huiliang Zhang,

Mahmood Sabooni,

Lars Rippe,

Chulhong Kim,

Stefan Kröll,

Lihong V. Wang,

Philip Hemmer

Publication year - 2012

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3696307

Subject(s) - imaging phantom , narrowband , optics , materials science , light scattering , scattering , photon , ranging , signal (programming language) , optoelectronics , physics , computer science , telecommunications , programming language

Slow light has been extensively studied for applications ranging from optical delay lines to single photon quantum storage. Here, we show that the time delay of slow-light significantly improves the performance of the narrowband spectral filters needed to optically detect ultrasound from deep inside highly scattering tissue. We demonstrate this capability with a 9 cm thick tissue phantom, having 10 cm(-1) reduced scattering coefficient, and achieve an unprecedented background-free signal. Based on the data, we project real time imaging at video rates in even thicker phantoms and possibly deep enough into real tissue for clinical applications like early cancer detection.

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