Figure 6
(a) Experimentally determined flux acceptances Aeff of the different waveguide channels and theoretical values assuming a lossless propagation within the waveguides. All available waveguide sizes (50 nm × 2 µm to 50 nm × 50 µm) were investigated. The incident beam was collimated horizontally using multiple slit openings (10-40 µm). (b) Estimation of the actual transmission efficiencies (Test) within the waveguide channels, using the flux acceptances measured at a collimation best matching the waveguide width.  [article HTML]

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