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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2016 Sep 1;64(1):4–15. doi: 10.1109/TBME.2016.2605451

Fig. 3.

Fig. 3

Schematic diagrams of (a) fiber-optics MZ interferometer; (b) fiber-optics Michelson interferometer; (c) single fiber sensor with Fiber bragg grating; (d) single fiber sensor with fiber FP cavity; (e) fiber-optics FPI with a FP cavity at the fiber distal end; (f) schematic of an integrating line detector for PA imaging. A fiber-optics FPI consisting of a single-mode fiber and two FBG mirrors is used. Inset is the corrosponding PA projection image of an ant. Reproduced with permission from [62]; (g) schematic of fiber-optics PA endoscopic imaging probes. Reproduced with permission from [76].