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DATE RANGE 789,974
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1                      Normalized intensity (top) and phase (bottom) profiles of some superpositions of Laguerre–Gaussian modes:                                                          L                                                                                                   G                                                                                                      01                                                                                             +                              L                                                                                                   G                                                                                                      05                                                                                                                  ,                                                          L                                                                                                   G                                                                                                      0                                    −                                    5                                                                                             +                              L                                                                                                   G                                                                                                      05                                                                                                                  , and                                                          L                                                                                                   G                                                                                                      10                                                                                             +                              L                                                                                                   G                                                                                                      05                                                                                                                   (left to right).
2 Decomposition of natural images into Fourier components. (a) All images can be expressed as a sum of 2D Fourier basis functions [e.g., (b)] by taking the sum over all values in (c) the basis-scaled image.
4 (a) Schematic of a four-taper-segment micropillar cavity. (b) and (c) Electric field density profile of the first- and second-order modes, respectively. (d) Electric field density profile of the third-order mode of the ten-taper-segment micropillar cavity. (e) Mode diagram as a function of taper segment number.
5 WFDI-based phase profile of a cardiomyocyte during a single beating cycle, 40 × . White horizontal scale bar represents 10 µm. Vertical color bar is in radians. Dynamics, 120 fps for 1 sec: Media 3.
6 Schematic diagram of single-prism pulse compressor.
7 Normalized linear Stokes vector components demonstrate polarization synthesis.
8 Comparison of quantitative phase maps with fluorescent assays during an optoinjection experiment: a) phase map and b) propidium iodide fluorescence (optoinjection assay) 5 min after irradiation ; c) phase map and d) Calcein AM fluorescence (viability assay) after 90 min incubation. Two cells were successfully optoinjected - one proved viable (solid arrow) while the other (dashed arrow) was necrotic after 90 min. Note the significant decrease in the optical thickness of the non-viable cell. Scale bars 20 μm.
9 Calculation result of prospective THz-wave intensity via BNA-DFG under the consideration of perfect phase matching and absorption effect.
10 Supplementary epifluorescence collection through a ring of optical fibers. (a) Top: CAD-drawing of a custom fiber-ring holder placed under an objective. Bottom: Closeup view showing the ring-like arrangement of the fiber tips. Only five of eight fibers are shown. Fluorophores are 2-photon excited in the focus of an infrared laser beam (red), causing isotropic fluorescence emission (green). (b) Left: Top view of the ring-like arrangement of eight 1-mm diameter fibers. Right: Dual-channel detection in a custom 2PLSM setup. Optical fibers were bundled and placed in front of a second PMT.
11 Numerical simulations of amplification of white noise by FWM and SRS as a function of propagation length.