Detection of ultrasound-modulated diffuse photons using spectral-hole burning.
The lack of efficient detection techniques has so far prevented ultrasound-modulated optical tomography from achieving maturity. By applying a quantum spectral filter based on spectral-hole burning, one modulation sideband of the ultrasound-modulated diffuse photons can be efficiently selected while the DC and the other sidebands are blocked. This technique features a large etendue as well as the capability of processing numerous speckles in parallel. It is also immune to speckle decorrelation, potentially allowing real-time in vivo imaging. Both theory and experiments are presented.
Li
Youzhi
Y
Biomedical Engineering Department, Washington University in St Louis, St Louis, MO 63130, USA.
Hemmer
Philip
P
Kim
Chulhong
C
Zhang
Huiliang
H
Wang
Lihong V
LV
D000465:Algorithms; D007089:Image Enhancement / Q000379:methods*; D007090:Image Interpretation, Computer-Assisted / Q000379:methods*; D041622:Tomography, Optical / Q000379:methods*; D014463:Ultrasonography / Q000379:methods*
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