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SESAM and SWCNT Mode-Locked All-Fiber Thulium-Doped Lasers Based on the Nonlinear Amplifying Loop Mirror
We report on thulium-doped all-fiber lasers based on the nonlinear amplifying loop mirror and mode-locked with a semiconductor saturable absorber (SESAM) or single-walled carbon nanotubes (SWCNTs). An...
PublikationenNanofiber-based high-Q microresonator for cryogenic applications
We demonstrate a cryo-compatible, fully fiber-integrated, alignment-free optical microresonator. The compatibility with low temperatures expands its possible applications to the wide field of solid-state...
PublikationenSpatial proteomics revealed a CX3CL1-dependent crosstalk between the urothelium and relocated macrophages through IL-6 during an acute bacterial infection in the urinary bladder
The urothelium of the urinary bladder represents the first line of defense. However, uropathogenic E. coli (UPEC) damage the urothelium and cause acute bacterial infection. Here, we demonstrate the crosstalk...
PublikationenDouble-Wall Carbon Nanotube Hybrid Mode-Locker in Tm-doped Fibre Laser: A Novel Mechanism for Robust Bound-State Solitons Generation
The complex nonlinear dynamics of mode-locked fibre lasers, including a broad variety of dissipative structures and self-organization effects, have drawn significant research interest. Around the 2 μm...
PublikationenInfluence of process parameters on the incorporation of phosphorus into silica soot material during MCVD process
The incorporation of phosphorus into silica soot material strongly changes during the multistep preparation process of the MCVD technology in combination with solution doping for Al and rare earths. We...
PublikationenNear- and Far-Field Raman Spectroscopic Studies of Nanodiamond Composite Films Deposited by Coaxial Arc Plasma
Raman spectroscopic studies on nanodiamond composite (NDC) films, comprising nano-sized diamond grains and an amorphous carbon (a-C) matrix, deposited by coaxial arc plasma deposition are challenging because...
PublikationenPlasmon induced deprotonation of 2-mercaptopyridine
Surface plasmons can provide a novel route to induce and simultaneously monitor selective bond formation and breakage. Here pH-induced protonation, followed by plasmon-induced deprotonation of 2-mercaptopyridine...
PublikationenThree dimensional spatiotemporal nano-scale position retrieval of the confined diffusion of nanoobjects inside optofluidic microstructured fibers
Understanding the dynamics of single nano-scale species at high spatiotemporal resolution is of utmost importance within fields such as bioanalytics or microrheology. Here we introduce the concept of axial...
PublikationenSimultaneous Measurement of Temperature and Refractive Index Using an Exposed Core Microstructured Optical Fiber
We have demonstrated a novel scheme for simultaneous measurement of temperature and refractive index by using an exposed core microstructured optical fiber (ECF). The ECF allows for high sensitivity to...
PublikationenModern Raman Spectroscopy at the Center of Biosensing and Medical Diagnosis. An Interview with Jürgen Popp
Modern Raman spectroscopy is at the center of investigations into nanotechnology characterization tools for biosensing and medical diagnosis. Raman studies have included insights and discovery into aging-associated...
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