publication . Conference object . Article . 2011

Self-optimized Metal Coatings for Fiber Plasmonics by Electroless Deposition

Beliaev, A.; Caucheteur, C.; Ahamad, N.; Ianoul, A.; Jacques Albert;
Open Access
  • Published: 12 Sep 2011
  • Publisher: OSA
We present a novel method to prepare optimized metal coatings for infrared Surface Plasmon Resonance (SPR) sensors by electroless plating. We show that Tilted Fiber Bragg grating sensors can be used to monitor in real-time the growth of gold nano-films up to 70 nm in thickness and to stop the deposition of the gold at a thickness that maximizes the SPR (near 55 nm for sensors operating in the near infrared at wavelengths around 1550 nm). The deposited films are highly uniform around the fiber circumference and in spite of some nanoscale roughness (RMS surface roughness of 5.17 nm) the underlying gratings show high quality SPR responses in water.
free text keywords: Fiber, Refractive index, Resonance, Fiber Bragg grating, Optoelectronics, business.industry, business, Engineering, Surface plasmon, Surface plasmon resonance, Plasmon, Analytical chemistry, Polarization (waves), Atomic and Molecular Physics, and Optics, Surface finish, Photonic-crystal fiber, Optics, Physics, Surface roughness
Related Organizations
Funded by
Design of polymer optical fibre gratings for endoscopic biosensing purposes
  • Funder: European Commission (EC)
  • Project Code: 280161
  • Funding stream: FP7 | SP2 | ERC
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