Journal
OPTICS EXPRESS
Volume 20, Issue 27, Pages 28855-28861Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.20.028855
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- Ministry of Science, Research
- Arts of Baden-Wurttemberg [Az.: 7713.14-300]
- Karlsruhe School of Optics & Photonics (KSOP)
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We demonstrate the fabrication of single mode optical waveguides by irradiating polydimethylsiloxane (PDMS) with a low cost Hg lamp through a conventional quartz mask. By increasing the refractive index of the irradiated areas, waveguiding is achieved with an attenuation of 0.47 dB/cm at a wavelength of 635 nm. The refractive index change is stable in ambient air and water for time periods of more than 3 months. The excitation of water-dispersed fluorescent nanoparticles in the evanescent field of the waveguide is demonstrated. (C) 2012 Optical Society of America
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