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A novel surface plasmon resonance imaging (SPRi) biosensor based on waveguide coupled surface plasmon resonance (WCSPR) measurements is reported. Simply fabricated by gold evaporation deposition and polymer spin-coating, the WCSPR chips can be easily adapted on an commercial SPRi monitoring instrument. The chips were designed by using Fresnel method and fabricated according to its optimized design,...
We propose sensitive imaging measurements enabled by waveguide-coupled surface plasmon resonance sensors. In the measurement, almost all the sensors with different waveguide thicknesses show around 60% sensitivity improvement compared with traditional surface plasmon resonance sensor.
An all fiber modified Mach-Zehnder interferometer with a ring-down configuration is proposed. A nanometer level sensitivity and a high dynamic range of 40dB are readily achievable.
A side-opened, metal film-coated microstructured optical fiber based SPR biochip for high sensitive label-free point-of-care test is studied, which possesses the characteristics of integration, easy of fabrication and a minimal index resolution of 2.2×10−5 R.I.U.
The all optical window equivalent-time sampling method based on cascaded symmetric Mach-Zehnder interferometer are present. A system model based on SOA dynamic model was founded to analyze sampling process. The pulse broadening in PIN and its response are discussed too. The evolution of sampling window due to edge shift of sampling windows and sensitivity due to SOA bias current and aptitude of control...
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