Abstract
We have designed and tested subwavelength diffractive optical
elements consisting of surface-relief gratings made by microcontact
printing of self-assembled monolayers. The first device is a beam
deflector for 1.55-µm operation consisting of a surface-relief
grating made up of eight pillars over one period (9.3 µm)
of the grating. The widths of the pillars vary to approximate a
linear phase profile within each grating period. The second device
is a quarter-wave plate for 632.8-nm operation consisting of a
subwavelength surface-relief grating with a 300-nm period and 58% duty
cycle.
© 2001 Optical Society of America
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