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Protein-Induced Excited-State Dynamics of Protochlorophyllide

The light-drivenNADPH:protochlorophyllide oxidoreductase (POR) is a key enzyme of chlorophyll biosynthesis in angiosperms. POR’s unique requirement for light to become catalytically active makes the...

Biomedizinische Diagnostik Raman-Spektroskopie

Biofunctionalization of zinc oxide nanowires for DNA sensory applications

We report on the biofunctionalization of zinc oxide nanowires for the attachment of DNA target molecules on the nanowire surface. With the organosilane GOPS (Glycidyloxypropyltrimethoxysilane) acting as...

Temperature Fiber Laser Sensor Based on a Hybrid Cavity and a Random Mirror

In the present work, a simple temperature fiber laser sensor configuration is proposed. The temperature fiber laser sensor is based in the combination of a Fabry-Perót hybrid cavity and a random mirror....

Optical Refractometer Based on Multimode Interference in a Pure Silica Tube

It is presented a multimode interferometer based-fibre optic sensor with a silica tube section aimed to measure refractive index variations of surrounding liquids. The sensing head is a silica tube section...

Multimode interference in outer cladding large-core, air-clad photonic crystal fibre

It is described a large-core air-clad photonic crystal fibre-based sensing structure using the outer cladding as a light guide which is highly sensitive to refractive index. The sensing head is based on...

Fabry-Pérot Cavity Based on a Diaphragm-Free Hollow-Core Silica Tube

A Fabry-Pérot cavity of simple design and based on a pure silica diaphragm-free hollow tube is proposed. Its operation is based on a first reflection of light at the end of the single mode fiber that...

Simultaneous Measurement of Curvature and Strain using a Suspended Multicore Fiber

A suspended multicore fiber sensor for simultaneous measurement of curvature and strain is proposed. The spectral response shows evidences of several interferences arising from the seven cores of the fiber....

Influence of Fiber Orientation on Femtosecond Bragg Grating Inscription in Pure Silica Microstructured Optical Fibers

We studied the influence of the fiber orientation on the growth of fiber Bragg gratings (FBGs) in pure silica microstructured optical fibers (MOFs) during femtosecond UV laser inscription. To do so we...

First comparison of electric field induced second harmonic of near-infrared femtosecond laser pulses in reflection and transmission generated from Si/SiO2 interfaces of a silicon membrane

For the first time electric field induced second harmonic (EFISH) generation of femtosecond (fs) laser pulses (λ = 800 nm, τ = 75 ± 5 fs, rep. rate = 80 MHz, E≤ 10 nJ) is observed in transmission...