Infrared Thermal Emitter Based on Plasmon Resonance

Silicides for infrared surface plasmon resonance biosensors

Pt-, Pd-, Ni-, and Ti-silicide films on silicon were evaluated as conducting hosts for surface plasmon polaritons (SPP) in proposed long-wave IR (LWIR) attenuated total reflection biosensors. Original LWIR complex permittivity data was collected, from which SPP properties were determined and compared with those for noble metals. LWIR SPPs on silicide films were found to offer enhanced sensitivi...

Physical modeling of a refractive index photonic crystal fiber based on surface plasmon resonance

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Efficient thermal infrared emitter with high radiant power

Sensitive and selective gas measurements are crucial for a large variety of applications, e.g., explosion protection. Optical gas detection is usually based on the gas’ absorption of infrared radiation (IR). It is the leading technique in terms of accuracy, reliability, and economic efficiency. Since most gas measurements are made in the two wavelength ranges of (3 . . . 5) and (8 . . . 14) μm,...

Silicon photonic crystal thermal emitter at near-infrared wavelengths

Controlling thermal emission with resonant photonic nanostructures has recently attracted much attention. Most of the work has concentrated on the mid-infrared wavelength range and/or was based on metallic nanostructures. Here, we demonstrate the experimental operation of a resonant thermal emitter operating in the near-infrared (≈1.5 μm) wavelength range. The emitter is based on a doped silico...

[Biosensor based on surface plasmon resonance].