Results: 5

1.
Figure 1

Figure 1. From: Photoacoustic microscopy with 2-?m transverse resolution.

Schematic of the imaging probe in the 2-μm PAM system.

Geng Ku, et al. J Biomed Opt. 2010 March-April;15(2):021302.
2.
Figure 5

Figure 5. From: Photoacoustic microscopy with 2-?m transverse resolution.

x-z cross-sectional photoacoustic image of two carbon fibers placed above and below a 300-μm-thick mouse ear (cf: carbon fibers. bv: blood vessels).

Geng Ku, et al. J Biomed Opt. 2010 March-April;15(2):021302.
3.
Figure 4

Figure 4. From: Photoacoustic microscopy with 2-?m transverse resolution.

Microvasculature in mouse ear imaged using the 2-μm PAM system: (a) MAP image, (b) 3-D view of three representative x-y tomograms, and (c) close-up view of a typical dot in (a).

Geng Ku, et al. J Biomed Opt. 2010 March-April;15(2):021302.
4.
Figure 3

Figure 3. From: Photoacoustic microscopy with 2-?m transverse resolution.

Axial resolution of the 2-μm PAM system. (a) Axial spread profile of a typical nanocage. Blue line with circle: experimental measurement. Black solid line: envelope of the experimental data. (b) Configuration of numerical shift-and-sum experiment. (c) Simulated photoacoustic signal and envelope when d=20 μm. Blue dashed line: photoacoustic signal. Black solid line: envelope of the signal. (d) CNR versus d. Blue circles: calculated CNR. Black dashed line: CNR=1. (Color online only.)

Geng Ku, et al. J Biomed Opt. 2010 March-April;15(2):021302.
5.
Figure 2

Figure 2. From: Photoacoustic microscopy with 2-?m transverse resolution.

Experimental validation of transverse resolution of the 2-μm PAM system. (a) MAP image of a gelatin sample mixed with nanocages. (b) Transverse spread profile of a typical nanocage. Blue circle: experimental measurements. Black line: Gaussian-fit of the experimental data. (c) MAP image of a 1951 USAF resolution test target (groups 6 and 7). (d) Close-up view of MAP image of group 7 element 6 of the test target. (Color online only.)

Geng Ku, et al. J Biomed Opt. 2010 March-April;15(2):021302.

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