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Inscription of first order Volume-Bragg-Gratings in a non-photosensitive material by using femtosecond-pulses with a wavelength of 400 nm
Volume-Bragg-Gratings were inscribed in glass by using a femtosecond-pulses to overcome the limitation of photosensitive materials. For inscription a wavelength of 400 nm was chosen to fabricate first...
PublikationenCombination of the resolution enhancing image inversion microscopy with digital holography
We propose a method to combine image inversion microscopy (IIM) with digital holography. By using this technique we are able to avoid some disadvantages of the IIM, like the use of a stabilized image inversion...
Publikationen193 nm absorption behavior in medium-to-high OH containing fused silica – The role of the initial ODC, OH and H2 contents
In the initial stage of low fluence ArF laser long term irradiation the absorption behavior in medium-to-high OH containing fused silica materials ([OH] = 250…1400 wt-ppm) depends on the OH content as...
PublikationenComparison of different design concepts for large mode area optical fibers
We present a comparison of different fiber designs with respect to bend sensitivity and effective mode area for high power transmission applications.
PublikationenSpatially resolved investigation of the oil composition in single intact hyphae of Mortierella spp. with micro-Raman spectroscopy
Zygomycetes are well known for their ability to produce various secondary metabolites. Fungi of the genus Mortierella can accumulate highly unsaturated lipids in large amounts as lipid droplets. However,...
PublikationenDNA-Hybridisierungs-assay basierend auf der Biofunktionalisierung von Nanodrähten
Die zuverlässige und effiziente Identifizierung von DNA ist ein wichtiges Ziel der Vor-Ort-Diagnostik. Hier können ein-dimensionale Nanostrukturen wie halbleitende Si- oder ZnO-Nanodrähte als Schlüsselemente...
PublikationenPhase optimisation for structured illumination microscopy
Structured illumination microscopy can achieve superresolution in fluorescence imaging. The sample is illuminated with periodic light patterns, and a series of images are acquired for different pattern...
PublikationenAlignment and maintenance free all-fiber laser source for CARS microscopy based on frequency conversion by four-wave-mixing
In this contribution we report on a novel approach for pump and stokes pulse generation in extremely compact all-fiber systems using parametric frequency conversion (four-wave-mixing) in photonic-crystal...
PublikationenParametric fiber optical amplifier for spectrally high-resolved coherent anti-Stokes Raman spectro-microscopy
We present a quasi alignement-free fiber-based optical parametric amplifier for coherent anti-Stokes Raman scattering (CARS) in (non-)biological samples. The wavelength tuneable, narrowband generation...
PublikationenInversion of geo-magnetic full-tensor gradiometer data
The fast and sensitive SQUID (Superconducting Quantum Interference Device) system,which was developed at IPHT Jena, allows the geo-magnetic prospection of large land areas. The system's simultaneous high-resolution...
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