Photoacoustic microscopy by scanning mirror-based synthetic aperture focusing technique

De Cai; Zhongfei Li; Sung-Liang Chen

doi:doi:10.3788/COL201513.101101

Chinese Optics Letters, 2015, 13 (10): 101101, Published Online: Sep. 13, 2018

Photoacoustic microscopy by scanning mirror-based synthetic aperture focusing technique Download： 776次

De Cai Zhongfei Li Sung-Liang Chen ^*

Author Affiliations

University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, China

Figures & Tables

Fig. 1. Schematic illustration of the SM-SAFT. (a) Point detector. (b) Virtual detector.

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Fig. 2. Schematic of the experimental setup for the SM-SAFT.

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Fig. 3. Images of the hair-thread phantom scanned at various depths: (a) Original image, (b) SAFT image, and (c) SAFT + CF weighted image.

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Fig. 4. 3D demonstration of the PAM images of hairs by SM-SAFT. (a) The photograph; 2D MAP images on the YZ and XZ planes, (b) Original image, and (c) SAFT + CF weighted image.

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Table1. Lateral Width (−6 dB) and SNR Values

Target # (From Top)	Original (μm/dB)	SAFT + CF (μm/dB)
1	477/34	365/30
2	665/32	400/36
3	856/32	445/38
4	1063/30	585/41
5	1221/29	755/39
6	1345/29	855/39

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De Cai, Zhongfei Li, Sung-Liang Chen. Photoacoustic microscopy by scanning mirror-based synthetic aperture focusing technique[J]. Chinese Optics Letters, 2015, 13(10): 101101.

Photoacoustic microscopy by scanning mirror-based synthetic aperture focusing technique Download： 776次

Fig. 1. Schematic illustration of the SM-SAFT. (a) Point detector. (b) Virtual detector.

Fig. 2. Schematic of the experimental setup for the SM-SAFT.

Fig. 3. Images of the hair-thread phantom scanned at various depths: (a) Original image, (b) SAFT image, and (c) SAFT + CF weighted image.

Fig. 4. 3D demonstration of the PAM images of hairs by SM-SAFT. (a) The photograph; 2D MAP images on the YZ and XZ planes, (b) Original image, and (c) SAFT + CF weighted image.

Table1. Lateral Width (−6 dB) and SNR Values

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Photoacoustic microscopy by scanning mirror-based synthetic aperture focusing technique Download： 776次

Fig. 1. Schematic illustration of the SM-SAFT. (a) Point detector. (b) Virtual detector.

Fig. 2. Schematic of the experimental setup for the SM-SAFT.

Fig. 3. Images of the hair-thread phantom scanned at various depths: (a) Original image, (b) SAFT image, and (c) SAFT + CF weighted image.

Fig. 4. 3D demonstration of the PAM images of hairs by SM-SAFT. (a) The photograph; 2D MAP images on the YZ and XZ planes, (b) Original image, and (c) SAFT + CF weighted image.

Table1. Lateral Width (−6 dB) and SNR Values

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