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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: J Refract Surg. 2016 Aug 1;32(8):562–567. doi: 10.3928/1081597X-20160520-01

Figure 1.

Figure 1

(A) Experimental set-up. (B) Optical coherence elastography elastic wave measurement paradigm on the cornea where the black arrows are elastic wave propagation directions that were imaged and the red dot is the excitation position at the corneal apex. (C) Optical coherence tomography structural image of one meridian in Figure 1B of a porcine cornea at 15 mm Hg intraocular pressure. (D) Vertical temporal displacement profiles from the positions of corresponding colors marked in Figure 1C, and the elastic wave propagation and attenuation are clearly visible. AC = air-pulse controller; ADC = analog to digital converter; AP = air port; BPD = balanced photodetector; DAC = digital to analog converter; FBG = fiber-Bragg grating; GS = galvanometer scanners; MP = micro-infusion pump; PC = polarization controller; PD = photodetector; PG = pulse generator; PT = pressure transducer; RM = reference mirror