Foil-based optical technology platform for optochemical sensors

Sandeep Kalathimekkad; Jeroen Missinne; Juan Diego Arias Espinoza; Bram Van Hoe; Erwin Bosman; Edsger Smits; Rajesh Mandamparambil; Geert Van Steenberge; Jan Vanfleteren

doi:10.1117/12.908182

1 February 2012 Foil-based optical technology platform for optochemical sensors

Sandeep Kalathimekkad, Jeroen Missinne, Juan Diego Arias Espinoza, Bram Van Hoe, Erwin Bosman, Edsger Smits, Rajesh Mandamparambil, Geert Van Steenberge, Jan Vanfleteren

Author Affiliations +

Proceedings Volume 8264, Integrated Optics: Devices, Materials, and Technologies XVI; 82640R (2012) https://doi.org/10.1117/12.908182
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

This paper describes the development of a low-cost technology platform for fluorescence-based optochemical sensors. These sensors were constructed by incorporating fluorescent sensing elements in the core of multimode waveguides or lightguides, and have applications in medical, biochemical and environmental diagnostics. Flexible lightguides were fabricated either with silsesquioxane-based or PDMS-type optical polymers using photolithography or soft-lithography based replication techniques respectively. Spectral transmission characteristics were measured along with loss values obtained by cut-back measurements for several wavelengths from visible to mid-IR. Propagation losses as low as 0.14dB/cm were measured for 50 x 50 μm² waveguides. For coupling light in and out of the waveguides, different types of coupling structures, e.g. 45° micromirror plugs were investigated.

Citation Download Citation

Sandeep Kalathimekkad, Jeroen Missinne, Juan Diego Arias Espinoza, Bram Van Hoe, Erwin Bosman, Edsger Smits, Rajesh Mandamparambil, Geert Van Steenberge, and Jan Vanfleteren "Foil-based optical technology platform for optochemical sensors", Proc. SPIE 8264, Integrated Optics: Devices, Materials, and Technologies XVI, 82640R (1 February 2012); https://doi.org/10.1117/12.908182

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