Search Results - "Bethge, J."

Two-octave supercontinuum generation in a water-filled photonic crystal fiber by Bethge, J, Husakou, A, Mitschke, F, Noack, F, Griebner, U, Steinmeyer, G, Herrmann, J

“…Supercontinuum generation in a water-filled photonic crystal fiber is reported. By only filling the central hollow core of this fiber with water, the fiber…”
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Prospective evaluation of malignant cell seeding after percutaneous endoscopic gastrostomy in patients with oropharyngeal/esophageal cancers by Ellrichmann, M, Sergeev, P, Bethge, J, Arlt, A, Topalidis, T, Ambrosch, P, Wiltfang, J, Fritscher-Ravens, A

“…Insertion of a percutaneous endoscopic gastrostomy (PEG) is standard care for many patients with oropharyngeal (ENT) and esophageal malignancies in order to…”
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Endoscopic ultrasound of the colon for the differentiation of Crohn's disease and ulcerative colitis in comparison with healthy controls by Ellrichmann, M., Wietzke‐Braun, P., Dhar, S., Nikolaus, S., Arlt, A., Bethge, J., Kuehbacher, T., Wintermeyer, L., Balschun, K., Klapper, W., Schreiber, S., Fritscher‐Ravens, A.

“…Summary Background Diagnosis of inflammatory bowel disease (IBD) is based on clinical presentation, colonoscopy and histology. Differentiation of Crohn's…”
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Subclinical Pulmonary Involvement in Active IBD Responds to Biologic Therapy by Ellrichmann, M, Bethge, J, Boesenkoetter, J, Conrad, C, Noth, R, Bahmer, T, Nikolaus, S, Aden, K, Zeissig, S, Schreiber, S

“…Abstract Objective Increased mortality from respiratory diseases was observed in epidemiological studies of patients with ulcerative colitis [UC] as a…”
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A fast Gabor wavelet transform for high-precision phase retrieval in spectral interferometry by Bethge, J, Grebing, C, Steinmeyer, G

“…A fast implementation of the Gabor wavelet transform for phase retrieval in spectral interferometry is discussed. This algorithm is experimentally demonstrated…”
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Guiding Properties of Chirped Photonic Crystal Fibers by Bethge, J., Steinmeyer, G., Burger, S., Lederer, F., Iliew, R.

“…In this paper, the properties of chirped photonic crystal fibers for guiding sub-100-fs pulses are discussed by numerical simulations and approximate…”
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Confocal Endomicroscopy Shows Food-Associated Changes in the Intestinal Mucosa of Patients With Irritable Bowel Syndrome by Fritscher-Ravens, Annette, Schuppan, Detlef, Ellrichmann, Mark, Schoch, Stefan, Röcken, Christoph, Brasch, Jochen, Bethge, Johannes, Böttner, Martina, Klose, Julius, Milla, Peter J

“…Background & Aims We investigated suspected food intolerances in patients with irritable bowel syndrome (IBS) using confocal laser endomicroscopy (CLE) for…”
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P371 Vedolizumab is associated with changes in innate rather than T-cell immunity in patients with inflammatory bowel disease by Zeissig, S, Rosati, E, Dowds, C M, Aden, K, Bethge, J, Schulte, B, Pan, W H, Falk-Paulsen, M, Conrad, C, Schuldt, D, Sinha, A, Nikolaus, S, Arlt, A, Kabelitz, D, Ellrichmann, M, Rosenstiel, P, Franke, A, Schreiber, S

“…Abstract Background Vedolizumab, a monoclonal antibody directed against the integrin α4β7, is approved for the treatment of inflammation in Crohn’s disease…”
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Photonic fiber for flexible sub-20-fs pulse delivery by Bethge, J, Le, T, Skibina, J, Stingl, A, Steinmeyer, G

“…Delivery of sub-20-fs pulses with a spectrally flat phase through 80 cm chirped photonic crystal fiber with chirped-mirror precompensation is experimentally…”
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P156 Pulmonary involvement in IBD patients and the effect of TNF-alpha inhibitors on pulmonary function by Bethge, J., Ellrichmann, M., Conrad, C., Nikolaus, S., Noth, R., Schuldt, D., Zeissig, S., Schreiber, S.

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Two-octave supercontinuum generation in a liquid-core photonic crystal fiber by Bethge, J, Husakou, A, Mitschke, F, Noack, F, Griebner, U, Steinmeyer, G, Herrmann, J

“…We observe the generation of supercontinua from a hollow-core photonic crystal fiber filled with water. The observed supercontinuum spans the spectral range…”
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P306 Tryptophan deficiency in Crohn's disease by Nikolaus, S., Al-Massad, N., Bethge, J., Wätzig, G., Rosenstiel, P., Junker, R., Thieme, F., Schreiber, S.

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500 MHz, 58fs highly coherent Tm fiber soliton laser by Jiang, J., Mohr, C., Bethge, J., Mills, A., Mefford, W., Hartl, I., Fermann, M. E., Lee, C.-C, Suzuki, S., Schibli, T. R., Leindecker, N., Vodopyanov, K. L., Schunemann, P. G.

“…We demonstrate a 500 MHz ultra-low noise 58fs Tm fiber soliton laser based on carrier phase noise reduction with an electro-optic graphene modulator. The…”
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Carrier envelope offset of nondegenerate, doubly-resonant, midinfrared GaAs optical parametric oscillators by Lee, Kevin F., Jie Jiang, Mohr, C., Bethge, J., Leindecker, Nick, Vodopyanov, Konstantin L., Schunemann, Peter G., Fermann, M. E., Hartl, I.

“…We demonstrate that the carrier-envelope offset frequency of a mid-infrared frequency comb from a nondegenerate and doubly-resonant GaAs-based optical…”
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Ultra-low phase-noise Tm-fiber frequency comb with an intra-cavity graphene electro-optic modulator by Hartl, I., Lee, C.-C, Mohr, C., Bethge, J., Suzuki, S., Fermann, M. E., Schibli, T. R.

“…An intracavity, sub-micrometer thin graphene electro-optic modulator enables orthogonal offset-frequency control much beyond the stimulated lifetime of the…”
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Solitonic transistor in the optical event horizon by Bethge, J., Bree, C., Amiranashvili, Sh, Noack, F., Steinmeyer, G., Demican, A.

“…We report experimental demonstration of an optical transistor and present numerical simulations explaining the observed switching effect by solitonic pulse…”
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Sudeck's disease and its treatment with depot padutin by BETHGE, J, MEYER, H W

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Zur Technik Molières by Bethge, J.

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A chirped photonic crystal fiber for high-fidelity guiding of sub-100 fs pluses by Skibina, J.S., Iliew, R., Bethge, J., Bock, M., Fischer, D., Beloglasov, V.I., Wedell, R., Burger, S., Steinmeyer, G.

“…We demonstrate a novel photonic-crystal fiber architecture that breaks with the paradigm of lattice homogeneity and enables a new degree of freedom in…”
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Benign osteoblastoma by BETHGE, J F

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