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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: Methods. 2017 Oct 25;136:35–39. doi: 10.1016/j.ymeth.2017.10.006

Fig. 1.

Fig. 1

(a) Configuration of the experimental setup for single-shot dual-wavelength interferometric measurements. (b) The diffraction pattern caused by two orthogonally aligned gratings illuminated by two different wavelengths at the second Fourier plane (FP2). (c), (d) the non-conventional interference grid. (e), (f) fringe pattern at a single sample spot in conventional IM and novel designs, respectively. The scale bar is 10 µm.