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Phase-sensitive swept source optical coherence tomography for imaging and quantifying of microbubbles in clear and scattering media
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10.1063/1.3116614
/content/aip/journal/jap/105/10/10.1063/1.3116614
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/10/10.1063/1.3116614
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Improvement in the resolution of SSOCT after calibration.

Image of FIG. 2.
FIG. 2.

The schematic outline of phase-stabilized SSOCT system (ADC: analog to digital converter; BPD: balanced photodetector; C: collimators; FBG: fiber bragg grating; G: galvanometer scanner, L: lens, RM: reflective mirrors, SLS: swept-laser Source, and TTL: TTL signal generator).

Image of FIG. 3.
FIG. 3.

(a) FBG analog output and the raw signal. (b) Oscilloscope trace showing the synchronization of FBG trigger, raw signal, and MZI-OC. (c) The temporal phase response of cuvette at depth before stabilization and (d) after stabilization (note the scale).

Image of FIG. 4.
FIG. 4.

(a) Orientation of the cuvette with respect to the beam (b) corresponding 1D depth profile (A—glass thickness, B—optical path thickness, C—, 1, 2, 3, 4, are the surfaces of glass cuvette).

Image of FIG. 5.
FIG. 5.

(a) Image of a cuvette of thick containing a bubble of [1, 2, 3, 4 are the surfaces corresponding to 1, 2, 3, 4, in Fig. 4(a) and S is the self-interference image). (b) Corresponding 1D profile showing the bubble induced shift in peak. (c) Temporal phase response at peak.

Image of FIG. 6.
FIG. 6.

Image of a cuvette of thick with (a) very small bubbles and corresponding temporal phase response at peak (b) of (a).

Image of FIG. 7.
FIG. 7.

Image of the cuvette with scattering media (a) without any bubble, (c) with a bubble, and their corresponding temporal phase response at the self-interference peak in (b) and (c).

Image of FIG. 8.
FIG. 8.

(a) Cuvette with very small bubbles and (b) the corresponding temporal phase response.

Image of FIG. 9.
FIG. 9.

Image of cuvette containing fast moving bubbles.

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/content/aip/journal/jap/105/10/10.1063/1.3116614
2009-05-19
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Phase-sensitive swept source optical coherence tomography for imaging and quantifying of microbubbles in clear and scattering media
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/10/10.1063/1.3116614
10.1063/1.3116614
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