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We present an experimental study of the emission properties and photonic band structure of a surface-emitting distributed feedback laser based on the conjugated polymer poly(2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylene vinylene). Measurements of the photonic band dispersion are compared with the spatial and spectral properties of the laser emission to understand how the substrate microstructure controls...
In this work we present a new, highly sensitive optical technique for studying electrochemistry. Optical excitation of a surface-plasmon resonance (SPR) is used to probe the working electrode/electrolyte interface in an electrochemical cell. The use of acoutooptics then provides a differential technique for monitoring the SPR position. This allows optical changes at the electrode/electrolyte interface...
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