We introduce a novel displacement sensing mechanism using photonic crystal slabs coupled in the near-field regime. The characteristics are completely different from conventional Fabry-Perot sensors, and high sensitivity can be obtained without using high-reflectivity mirrors.
© 2005 Optical Society of America
W. Suh, O. Solgaard, and S. Fan, "Near-Field Sensor Using Photonic Crystal Slabs," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CTuL4.
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