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Proceedings Paper

Fabrication of holographic lens as a coupling device in surface plasmon resonance biosensor
Author(s): Prasopporn Junlabhut; Suwannee Phoojaruenchanachai; Wisanu Pecharapa; Sakoolkan Boonruang
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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.

Paper Details

Date Published: 19 May 2010
PDF: 7 pages
Proc. SPIE 7743, Southeast Asian International Advances in Micro/Nanotechnology, 774302 (19 May 2010); doi: 10.1117/12.860379
Show Author Affiliations
Prasopporn Junlabhut, National Science and Technology Development Agency (Thailand)
King Mongkut's Institute of Technology Ladkrabang (Thailand)
Suwannee Phoojaruenchanachai, National Science and Technology Development Agency (Thailand)
Wisanu Pecharapa, King Mongkut's Institute of Technology Ladkrabang (Thailand)
Sakoolkan Boonruang, National Science and Technology Development Agency (Thailand)


Published in SPIE Proceedings Vol. 7743:
Southeast Asian International Advances in Micro/Nanotechnology
Waleed S. Mohammed; Te-Yuan Chung, Editor(s)

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