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Figure 6
The measured total transmitted intensity (diamonds connected by lines) through the waveguide as a function of the vertical lens position for a waveguide gap width W = 244 nm. The FWHM of the peak, depicted by the arrow, is 1.03 µm and the peak intensity is a factor of 54 higher than that with the lens completely removed. The dash-dotted line is a Gaussian curve of 0.84 µm FWHM, indicating the width of the optimal theoretical curve.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 9| Part 6| November 2002| Pages 383-393
doi:10.1107/S0909049502016308
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