Search Results - "Kracht, D."

High-performance cavity-dumped Q-switched Alexandrite laser CW diode-pumped in double-pass configuration by Unland, S, Kalms, R, Wessels, P, Kracht, D, Neumann, J

“…We present a high-performance Alexandrite laser for LIDAR applications with repetition rates up to 20 kHz in cavity-dumped Q-switched operation continuous-wave…”
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Gain dynamics in Er(3+):Yb(+) co-doped fiber amplifiers by Steinke, M, Neumann, J, Kracht, D, Wessels, P

“…Understanding the gain dynamics of fiber amplifiers is essential for the implementation and active stabilization of low noise amplifiers or for coherent beam…”
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Experimental and numerical study of interlock requirements for high-power EYDFAs by Booker, P., De Varona, O., Steinke, M., Wessels, P., Neumann, J., Kracht, D.

“…In this work, we studied the interlock requirements in a seed failure scenario for Er 3+ :Yb 3+ doped fiber amplifiers (EYDFAs) pumped with high intensities in…”
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Gain dynamics in Raman fiber lasers and passive pump-to-Stokes RIN suppression by Steinke, M, Neumann, J, Kracht, D, Wessels, P

“…We report on theoretical and experimental investigations of gain dynamics in Raman fiber lasers in the frequency range of 1 Hz-1 MHz. An analytical solution of…”
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Space radiation testing and thermal cycling of functionally coated Alexandrite laser crystals by Kalms, R., Unland, S., Weßels, P., Mädebach, H., Hunnekuhl, M., Neumann, J., Lorrai, M., Hmidat, M., Lorrai, P. G., Butkus, J., Lukoševičius, L., Kracht, D.

“…We present a space environmental test campaign of functionally coated, high-quality Alexandrite laser crystals developed in the course of the Horizon 2020…”
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Generation of 12 nJ Pulse Energy by a Thulium-doped Fiber Mamyshev Oscillator by Schuhbauer, B., Adolfs, V., Haxsen, F., Wienke, A., Morgner, U., Neumann, J., Kracht, D.

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Sub-100 fs pulses from a low repetition rate Yb-doped fiber laser by Sayinc, H, Mortag, D, Wandt, D, Neumann, J, Kracht, D

“…We report on a passively mode-locked ytterbium-doped fiber laser with a repetition rate of 1.8 MHz. The laser was hybridly mode-locked via nonlinear…”
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Ultrafast double-slab regenerative amplifier with combined gain spectra and intracavity dispersion compensation by Buettner, A, Buenting, U, Wandt, D, Neumann, J, Kracht, D

“…We report on a diode-pumped double-slab Yb:KYW regenerative amplifier with combined gain spectra and intracavity dispersion compensation. At repetition rates >…”
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Ytterbium femtosecond fiber laser without dispersion compensation tunable from 1015 nm to 1050 nm by Schultz, M., Karow, H., Wandt, D., Morgner, U., Kracht, D.

“…We report on a widely tunable ytterbium fs-fiber laser without dispersion compensation. The all-normal dispersion laser contains a spectral filter for…”
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Quantum-limited noise performance of a femtosecond all-fiber ytterbium laser by Prochnow, O, Paschotta, R, Benkler, E, Morgner, U, Neumann, J, Wandt, D, Kracht, D

“…We report on quantum-limited noise performance of a mode-locked ytterbium all-fiber laser. The laser operates at a high normal net dispersion without…”
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Power Scaling of End-Pumped Solid-State Rod Lasers by Longitudinal Dopant Concentration Gradients by Wilhelm, R., Frede, M., Kracht, D.

“…The power scalability of solid-state rod lasers in general is limited by the thermally induced mechanical stress approaching the fracture stress of the laser…”
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Normal Dispersive Ultrafast Fiber Oscillators by Ruehl, A., Wandt, D., Morgner, U., Kracht, D.

“…This paper addresses recent developments in ultrafast fiber oscillators achieved by the operation in the normal dispersion regime. Based on experimental and…”
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Make Some Noise: Generating Data from Imperfect Factor Models by Kracht, Justin D, Waller, Niels G

“…Researchers simulating covariance structure models sometimes add model error to their data to produce model misfit. Presently, the most popular methods for…”
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Ultrafast high power Yb:KLuW regenerative amplifier by Sayinc, H, Buenting, U, Wandt, D, Neumann, J, Kracht, D

“…We report on an high power ultra-short pulse regenerative Yb:KLuW amplifier based on the thin disk concept. A maximum pulse energy of 571 microJ was extracted…”
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Assessing Dimensionality in Non-Positive Definite Tetrachoric Correlation Matrices: Does Matrix Smoothing Help? by Kracht, Justin D., Waller, Niels G.

“…We performed two simulation studies that investigated dimensionality recovery in NPD tetrachoric correlation matrices using parallel analysis. In each study,…”
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Making a joint decision: Cannabis as a potential substitute for opioids in obstetrics and gynecology by Eichorn, Nicole L., Shult, Hannah T., Kracht, Kelsie D., Berlau, Daniel J.

“…There is a growing body of evidence that cannabis may be effective as an analgesic with potential to reduce opioid usage in chronic pain. This review…”
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Single-frequency Yb:YAG non-planar ring oscillator fiber amplifier source at 1030 nm by Hildebrandt, M., Frede, M., Kracht, D.

“…We report on amplification of a single-frequency Yb:YAG non-planar ring oscillator using Yb-doped fibers. The amplifier system operated at 1030 nm with up to…”
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Carotid Artery Intima-Media Thickness and Distensibility in Children and Adolescents: Reference Values and Role of Body Dimensions by Doyon, Anke, Kracht, Daniela, Bayazit, Aysun K., Deveci, Murat, Duzova, Ali, Krmar, Rafael T., Litwin, Mieczyslaw, Niemirska, Anna, Oguz, Berna, Schmidt, Bernhard M.W., Sözeri, Betul, Querfeld, Uwe, Melk, Anette, Schaefer, Franz, Wühl, Elke

“…Carotid intima-media thickness (cIMT) and carotid artery distensibility are reliable screening methods for vascular alterations and the assessment of…”
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All-Fiber Counter-Propagation Pumped Single Frequency Amplifier Stage With 300-W Output Power by Theeg, T., Sayinc, H., Neumann, J., Kracht, D.

“…We present a single frequency ytterbium-doped fiber amplifier, counter-propagation pumped with an all-fiber pump and signal combiner. The fiber combiner is…”
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Ultrafast, stretched-pulse thulium-doped fiber laser with a fiber-based dispersion management by Wienke, Andreas, Haxsen, Frithjof, Wandt, Dieter, Morgner, Uwe, Neumann, Jörg, Kracht, Dietmar

“…An ultrafast thulium-doped fiber laser with stretched-pulse operation has been realized and investigated. The passively mode-locked oscillator emitted 119 fs…”
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