Journal
OPTIK
Volume 127, Issue 5, Pages 2848-2851Publisher
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.ijleo.2015.12.008
Keywords
Optical waveguides; Lab on a chip; Polymer photonics; Direct laser writing
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Funding
- Slovak National Grant Agency [VEGA 1/0491/14, VEGA 1/0907/13]
- Slovak Research and Development Agency [APVV 0395-12]
- project ITMS [26210120021]
- EU
- European Regional Development Fund
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In this paper, we demonstrate polydimethylsiloxane (PDMS) ridge waveguide prepared by new technology. Maskless direct laser writing (DLW) process for photoresist master patterning was used in combination with PDMS imprinting technique. PDMS ridge waveguide was prepared using combination of two different PDMS - Sylgard 184 and LS-6941. Morphological properties of prepared waveguide were investigated by confocal laser scanning microscope (CLSM) and atomic force microscopy (AFM). Guiding properties were studied by beam propagation method (BPM) simulations and by near-field scanning optical microscope (NSOM) where multimode propagation in the visible spectrum of light was revealed. (C) 2015 Elsevier GmbH. All rights reserved.
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