Search Results - "Scheller, Maik"

Data Extraction from Terahertz Time Domain Spectroscopy Measurements by Scheller, Maik

“…The potential of terahertz (THz) time domain spectroscopy to simultaneously determine the complex dielectric parameters of materials and their geometrical…”
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Real-time terahertz material characterization by numerical three-dimensional optimization by Scheller, Maik

“…Terahertz time domain spectroscopy allows for characterization of dielectrics even in cases where the samples thickness is unknown. However, a parameter…”
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Room temperature continuous wave milliwatt terahertz source by Scheller, Maik, Yarborough, Joe M, Moloney, Jerome V, Fallahi, Mahmoud, Koch, Martin, Koch, Stephan W

“…We present a continuous wave terahertz source based on intracavity difference frequency generation within a dual color vertical external cavity surface…”
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Polarization sensitive terahertz imaging: detection of birefringence and optical axis by Katletz, Stefan, Pfleger, Michael, Pühringer, Harald, Mikulics, Martin, Vieweg, Nico, Peters, Ole, Scherger, Benedikt, Scheller, Maik, Koch, Martin, Wiesauer, Karin

“…We present a practicable way to take advantage of the spectral information contained in a broadband terahertz pulse for the determination of birefringence and…”
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Multifrequency continuous wave terahertz spectroscopy for absolute thickness determination by Scheller, Maik, Baaske, Kai, Koch, Martin

“…We present a tunable multifrequency continuous wave terahertz spectrometer based on two laser diodes, photoconductive antennas, and a coherent detection…”
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Molecular properties of liquid crystals in the terahertz frequency range by Vieweg, Nico, Jansen, Christian, Shakfa, Mohammad Khaled, Scheller, Maik, Krumbholz, Norman, Wilk, Rafal, Mikulics, Martin, Koch, Martin

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Terahertz quasi time domain spectroscopy by Scheller, Maik, Koch, Martin

“…It is shown theoretically and experimentally that for the specific case of an equidistant frequency spacing of semiconductor laser modes, signals similar to…”
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Low-threshold bidirectional air lasing by Laurain, Alexandre, Scheller, Maik, Polynkin, Pavel

“…Air lasing refers to the remote optical pumping of the constituents of ambient air that results in a directional laserlike emission from the pumped region…”
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Analyzing sub-100-μm samples with transmission terahertz time domain spectroscopy by Scheller, Maik, Jansen, Christian, Koch, Martin

“…The authors propose a method for the extraction of material parameter and thickness information from sub-100-μm thin samples using non-differential…”
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Paper terahertz wave plates by Scherger, Benedikt, Scheller, Maik, Vieweg, Nico, Cundiff, Steven T, Koch, Martin

“…We present a low-cost terahertz wave plate based on form birefringence fabricated using ordinary paper. Measurements of the transfer function of the wave plate…”
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Terahertz form birefringence by Scheller, Maik, Jördens, Christian, Koch, Martin

“…We report on one-dimensional photonic crystals designed to exhibit a pronounced form birefringence at terahertz frequencies. The crystals can be used as…”
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Externally refuelled optical filaments by Scheller, Maik, Mills, Matthew S., Miri, Mohammad-Ali, Cheng, Weibo, Moloney, Jerome V., Kolesik, Miroslav, Polynkin, Pavel, Christodoulides, Demetrios N.

“…Plasma channels produced in air through femtosecond laser filamentation 1 , 2 , 3 , 4 hold great promise for a number of applications, including remote sensing…”
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Fast and Accurate Thickness Determination of Unknown Materials using Terahertz Time Domain Spectroscopy by Scheller, Maik, Koch, Martin

“…We present a fast and accurate time domain based algorithm which extracts simultaneously the thickness and refractive index of highly transparent samples from…”
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Molecular properties of liquid crystals in the terahertz frequency range by Vieweg, Nico, Jansen, Christian, Shakfa, Mohammad Khaled, Scheller, Maik, Krumbholz, Norman, Wilk, Rafal, Mikulics, Martin, Koch, Martin

“…We report on a first experimental study of the molecular properties of nematic liquid crystals in the terahertz range. In the beginning, we extract the…”
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Electro-Optic Sampling of Terahertz Waves Under Brewster’s Angle by Goy, Claudia, Ludwig, André, Chatterjee, Sangam, Scheller, Maik

“…We investigate the angular dependence of electro-optic sampling of terahertz radiation. We show that a non-perpendicular incident of copropagating terahertz…”
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Optically gated tunable terahertz filters by Busch, Stefan F., Schumann, Steffen, Jansen, Christian, Scheller, Maik, Koch, Martin, Fischer, Bernd M.

“…We present a fast and flexible terahertz filter based on diffractive gratings combined with an optically gated modulator. The terahertz radiation is diffracted…”
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Widely Tunable Terahertz‐Generating Semiconductor Disk Laser by Fedorova, Ksenia A., Guoyu, Heyang, Wichmann, Matthias, Kriso, Christian, Zhang, Fan, Stolz, Wolfgang, Scheller, Maik, Koch, Martin, Rahimi-Iman, Arash

“…The demand for tunable terahertz (THz) generating laser sources is significantly growing as they are used in a wide range of applications including THz…”
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Dual-Wavelength Passively Mode-Locked Semiconductor Disk Laser by Scheller, Maik, Baker, Caleb W., Koch, Stephan W., Moloney, Jerome V.

“…A dual-wavelength mode-locked semiconductor vertical-external-cavity-surface-emitting laser is demonstrated. A semiconductor saturable absorber mirror allows…”
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Channeling the electrical breakdown of air by optically heated plasma filaments by Scheller, Maik, Born, Norman, Cheng, Weibo, Polynkin, Pavel

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High Power Dual-Wavelength VECSEL Based on a Multiple Folded Cavity by Scheller, Maik, Baker, Caleb W., Koch, Stephan W., Moloney, Jerome V., Jones, R. Jason

“…A vertical external-cavity surface-emitting laser is presented that emits 2.6 W of continuous-wave radiation centered at 1015 nm. The emission consists of a…”
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