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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Microsc Res Tech. 2015 Oct 24;78(12):1075–1081. doi: 10.1002/jemt.22587

Figure 2.

Figure 2

Calibration images of background and phase and modulation at the fundamental frequency and the 3rd harmonic. A) Average background image (the laser is off). B) Uniform intensity image used to calibrate the phase and modulation at each pixel. C) The phase image of uniform scattered laser at the fundamental frequency of 20 MHz. D) The phase image of the same sample at the 3rd harmonic frequency at 60 MHz. E) The modulation image of uniform scattered laser at the fundamental frequency of 20 MHz. F) The modulation image of the sample at the 3rd harmonic frequency of 60 MHz.