Search Results - "Tunnermann, Andreas"

All inkjet-printed piezoelectric polymer actuators: Characterization and applications for micropumps in lab-on-a-chip systems by Pabst, Oliver, Perelaer, Jolke, Beckert, Erik, Schubert, Ulrich S., Eberhardt, Ramona, Tünnermann, Andreas

“…[Display omitted] •All-inkjet-printed actuators based on P(VDF-TrFE) are presented for the first time.•The piezoelectric d31 coefficient of these actuators is…”
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Development of a low cost high precision three-layer 3D artificial compound eye by Zhang, Hao, Li, Lei, McCray, David L, Scheiding, Sebastian, Naples, Neil J, Gebhardt, Andreas, Risse, Stefan, Eberhardt, Ramona, Tünnermann, Andreas, Yi, Allen Y

“…Artificial compound eyes are typically designed on planar substrates due to the limits of current imaging devices and available manufacturing processes. In…”
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High-repetition-rate and high-photon-flux 70 eV high-harmonic source for coincidence ion imaging of gas-phase molecules by Rothhardt, Jan, Hädrich, Steffen, Shamir, Yariv, Tschnernajew, Maxim, Klas, Robert, Hoffmann, Armin, Tadesse, Getnet K, Klenke, Arno, Gottschall, Thomas, Eidam, Tino, Limpert, Jens, Tünnermann, Andreas, Boll, Rebecca, Bomme, Cedric, Dachraoui, Hatem, Erk, Benjamin, Di Fraia, Michele, Horke, Daniel A, Kierspel, Thomas, Mullins, Terence, Przystawik, Andreas, Savelyev, Evgeny, Wiese, Joss, Laarmann, Tim, Küpper, Jochen, Rolles, Daniel

“…Unraveling and controlling chemical dynamics requires techniques to image structural changes of molecules with femtosecond temporal and picometer spatial…”
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The Rising Power of Fiber Lasers and Amplifiers by Limpert, Jens, Roser, Fabian, Klingebiel, Sandro, Schreiber, Thomas, Wirth, Christian, Peschel, Thomas, Eberhardt, Ramona, Tunnermann, Andreas

“…The first rare-earth-doped fiber lasers were operated in the early 1960s, and produced a few milliwatts at a wavelength around 1 mum. Since the beginning of…”
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Improved Modal Reconstruction for Spatially and Spectrally Resolved Imaging (^) by Otto, H., Jansen, F., Stutzki, F., Jauregui, C., Limpert, J., Tunnermann, A.

“…Spatially and spectrally resolved imaging (S2) is a very sensitive, robust and elegant method to measure the power of excited modes in a fiber. For the common…”
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High Repetition Rate Gigawatt Peak Power Fiber Laser Systems: Challenges, Design, and Experiment by Limpert, J., Roser, F., Schimpf, D.N., Seise, E., Eidam, T., Hadrich, S., Rothhardt, J., Misas, C.J., Tunnermann, A.

“…We review the main challenges and give design guidelines for high-peak-power high-average-power fiber-based chirped-pulse amplification (CPA) systems. It is…”
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Femtosecond coherent anti-Stokes Raman scattering (fs-CARS) for temperature and concentration measurements on combustion species using a dual output OPCPA by Ran, Yang, Kerstan, Marita, Tunnermann, Andreas, Nolte, Stefan, Ackermann, Roland

“…Using two beam femtosecond coherent anti-Stokes Raman scattering (fs-CARS), temperature and concentration measurements are performed on relevant combustion…”
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Optimal arrangement of 90° off-axis parabolic mirrors in THz setups by Brückner, Claudia, Notni, Gunther, Tünnermann, Andreas

“…The inherent aberrations of 90° off-axis parabolic mirrors (OAPMs) are investigated. The resulting aberrations of different combinations of OAPMs for…”
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5D hyperspectral imaging: fast and accurate measurement of surface shape and spectral characteristics using structured light by Heist, Stefan, Zhang, Chen, Reichwald, Karl, Kühmstedt, Peter, Notni, Gunther, Tünnermann, Andreas

“…Measuring the shape (coordinates x, y, z ) and spectral characteristics (wavelength-dependent reflectance R (λi)) of macroscopic objects as a function of time…”
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Ultrafast Spectral Tuning of a Fiber Laser for Time-Encoded Multiplex Coherent Raman Scattering Microscopy by Gottschall, Thomas, Meyer-Zedler, Tobias, Eibl, Matthias, Pfeiffer, Tom, Hakert, Hubertus, Schmitt, Michael, Huber, Robert, Tünnermann, Andreas, Limpert, Jens, Popp, Juergen

“…Coherent Raman scattering microscopy utilizing bioorthogonal tagging approaches like isotope or alkyne labeling allows for a targeted monitoring of spatial…”
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Strain-induced pseudomagnetic field and photonic Landau levels in dielectric structures by Rechtsman, Mikael C., Zeuner, Julia M., Tünnermann, Andreas, Nolte, Stefan, Segev, Mordechai, Szameit, Alexander

“…Magnetic effects at optical frequencies are notoriously weak, so magneto-optical devices must be large to create a sufficient effect. In graphene, it has been…”
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Materials Pushing the Application Limits of Wire Grid Polarizers further into the Deep Ultraviolet Spectral Range by Siefke, Thomas, Kroker, Stefanie, Pfeiffer, Kristin, Puffky, Oliver, Dietrich, Kay, Franta, Daniel, Ohlídal, Ivan, Szeghalmi, Adriana, Kley, Ernst-Bernhard, Tünnermann, Andreas

“…Wire grid polarizers (WGPs), periodic nano‐optical metasurfaces, are convenient polarizing elements for many optical applications. However, they are still…”
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Absorption-limited and phase-matched high harmonic generation in the tight focusing regime by Rothhardt, Jan, Krebs, Manuel, Hädrich, Steffen, Demmler, Stefan, Limpert, Jens, Tünnermann, Andreas

“…High harmonic generation (HHG) at a high repetition rate requires tight focusing of the moderate peak power driving pulses. So far the conversion efficiencies…”
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Time-resolved tomography of ultrafast laser-matter interaction by Bergner, Klaus, Flamm, Daniel, Jenne, Michael, Kumkar, Malte, Tünnermann, Andreas, Nolte, Stefan

“…We demonstrate time-resolved tomography with 200 fs resolution for the three-dimensional analysis of the non-linear dynamics of ultrafast laser-matter…”
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Theoretical considerations on aperiodic sinusoidal fringes in comparison to phase-shifted sinusoidal fringes for high-speed three-dimensional shape measurement by Heist, Stefan, Kühmstedt, Peter, Tünnermann, Andreas, Notni, Gunther

“…The demand for optically reconstructing the three-dimensional (3D) surface shape of moving objects or deformation processes makes the development of high-speed…”
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Perspective on ultrashort pulse laser micromachining by Tünnermann, Andreas, Momma, Carsten, Nolte, Stefan

“…Ultrashort pulse lasers have found widespread applications in precise micromachining. Here, we present our brief perspective on the development of this…”
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Hybrid soliton dynamics in liquid-core fibres by Chemnitz, Mario, Gebhardt, Martin, Gaida, Christian, Stutzki, Fabian, Kobelke, Jens, Limpert, Jens, Tünnermann, Andreas, Schmidt, Markus A.

“…The discovery of optical solitons being understood as temporally and spectrally stationary optical states has enabled numerous innovations among which, most…”
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Impact of photodarkening on the mode instability threshold by Otto, Hans-Jürgen, Modsching, Norbert, Jauregui, Cesar, Limpert, Jens, Tünnermann, Andreas

“…The threshold-like onset of mode instabilities is currently the main limitation for the scaling of the average output power of fiber laser systems with…”
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Atomically Thin Metal–Dielectric Heterostructures by Atomic Layer Deposition by Paul, Pallabi, Schmitt, Paul, Sigurjónsdóttir, Vilborg Vala, Hanemann, Kevin, Felde, Nadja, Schröder, Sven, Otto, Felix, Gruenewald, Marco, Fritz, Torsten, Roddatis, Vladimir, Tünnermann, Andreas, Szeghalmi, Adriana

“…Heterostructures increasingly attracted attention over the past several years to enable various optoelectronic and photonic applications. In this work,…”
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Four-wave-mixing-based optical parametric oscillator delivering energetic, tunable, chirped femtosecond pulses for non-linear biomedical applications by Gottschall, Thomas, Meyer, Tobias, Schmitt, Michael, Popp, Jürgen, Limpert, Jens, Tünnermann, Andreas

“…A novel concept for an optical parametric oscillator based on four-wave mixing (FOPO) in an optical fiber is presented. This setup has the ability of…”
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