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Fabrication of holographic lens as a coupling device in surface plasmon resonance biosensor
Author(s)
Date Issued
June 25, 2010
Type
Conference Paper
Abstract
Holographic lens is proposed as a light coupling device integrated in surface plasmon resonance (SPR) biosensor chips to concise the SPR optical system. Having a sub-wavelength pattern with an asymmetric profile, the lens couples light via a first order wave which excites the surface plasmon wave along the sensing spot. The design and fabrication process are included in this work, where a laser interference lithography technique is utilized as it requires only single step to write a lens' pattern. The preliminary result indicates the first order wave with 20% diffraction efficiency. © 2010 Copyright SPIE - The International Society for Optical Engineering.
Citation
Proceedings of SPIE the International Society for Optical Engineering, 7743, 2010