Domain wall movement assisted transport of particles: exchange-biased samples with designed stripe-domains show strong stray fields and an asymmetric magnetization reversal. Using these characteristics superparamagnetic particles can be trapped and transported directly on the sample over large-scale areas. High particle velocities, small external fields, and automatically reduced particle clustering allow broad applicability of this transport method.

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Fabry-Pérot (FP) filter arrays fabricated by highresolution three dimensional (3D) NanoImprint technology are presented. A fabrication process to implement 3D templates with very high vertical resolution is developed. Filter arrays with 64 different cavity heights have been fabricated requiring only one single imprint step. Different optical methods are involved in this paper to characterize geometric and spectral properties. In order to investigate the transfer accuracy of the surface quality from the NanoImprint template to the filter, we use white light interferometry (WLI) measurements. Surface roughness and structure height accuracy of <1 nm for both values demonstrate the conservation of these critical parameters during the 3D NanoImprint process. Additionally, an optical characterization methodology for spectral transmission and reflection measurements of the filter arrays is introduced and applied. A compact microscope spectrometer setup which allows efficient handling, high resolution and short inspection time is verified by comparing measurement results to that of an optical bench setup used as a reference. First, this paper focuses on the foundation of the FP filter arrays, second on the technological fabrication, third on validation calibration of the setup and forth on the characterization of the filter arrays. The measurements envisage the spectral position of filter transmission lines, the full width at half maximum (FWHM) and the

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Nowadays, nanosensor arrays have a great potential in industrial process control, automatic identification or medical applications. Regarding the medical field, the possibility to detect characteristic biomarkers or environmental toxins in living spaces in a transcutaneous, non-invasive and user-friendly way will open new markets. Furthermore, by combination of an array of miniaturized spectroscopic sensors a fast and reliable overview-scan of the most important parameters will be enabled. In this paper, we describe the fabrication of a miniaturized spectrometer (nanospectrometer), the measurement setup used for its characterization and reveal measurement results. In this work, a microscope spectrometer is used to measure transmission spectra of nanosensor arrays in visible spectral range. This system can provide many advantages in terms of high accuracy, measurement speed and the ability of measuring microstructure sizes. We focus on the spectral resolution as key results of our optical characterization. We have obtained good agreement between theoretical model calculations and two different experimental set-ups: our fast and flexible microscope spectrometer and the Lambda 900 reference spectrometer which calibrates and verifies the flexible system. The agreement with the simulations provides a proof of concept of our novel nanospectrometer.