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Limits of light guidance in optical nanofibers

Optical switch based on a fluid-filled photonic crystal fiber Bragg grating

We report the implementation of an in-fiber optical switch by means of filling a fluid into the air holes of a photonic crystal fiber with a fiber Bragg grating. Such a switch can turn on/off light transmission...

Measuring the spatial polarization distribution of multimode beams emerging from passive step-index large-mode-area fibers

We measure the polarization state of each guided transversal mode propagating in step-index large-mode-area fibers (V ≈ 4) using a correlation-filter based measurement technique in combination with a...

Experimental Comparison of Fundamental Mode Content in Er:Yb-Codoped LMA Fibers With Multifilament- and Pedestal-Design Cores

Prediction of Electron Densities, the Respective Laplacians, and Ellipticities in Bond-Critical Points of Phenyl-CH-Bonds via Linear Relations to Parameters of Inherently Localized CD Stretching Vibrations and H-1 NMR-Shifts

Electron densities ρ, the respective laplacians ▽2ρ, and ellipticities ϵ in bond-critical points (BCPs) are reactivity-determining characteristics according to the theory of atoms in molecules. These...

Towards detection and identification of circulating tumour cells using Raman spectroscopy

Body fluids are easily accessible and contain valuable indices for medical diagnosis. Fascinating tools are tumour cells circulating in the peripheral blood of cancer patients. As these cells are extremely...

Interrogation of a Suspended-Core Fabry-Perot Temperature Sensor Through a Dual Wavelength Raman Fiber Laser

The influence of intracellular storage material on bacterial identification by means of Raman spectroscopy

Raman Spectroscopy-Compatible Inactivation Method for Pathogenic Endospores

Ordered arrays of epitaxial silicon nanowires produced by nanosphere lithography and chemical vapor deposition