Search Results - "Drumm, O."

High-volume image-guided injection for recalcitrant medial collateral ligament injuries of the knee by Drumm, O, Chan, O, Malliaras, P, Morrissey, D, Maffulli, N

“…Aim To evaluate the effectiveness of a novel injection technique in the management of recalcitrant medial collateral ligament (MCL) injuries of the knee…”
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A 2-MW, 170-GHz coaxial cavity gyrotron by Piosczyk, B., Dammertz, G., Dumbrajs, O., Drumm, O., Illy, S., Jin, J., Thumm, M.

“…The feasibility of manufacturing a 2-MW CW coaxial cavity gyrotron at 170 GHz has been demonstrated and data required for fabrication of an industrial tube…”
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Design of a 42-GHz 200-kW gyrotron operating at the second harmonic by Kartikeyan, M.V., Borie, E., Drumm, O., Illy, S., Piosczyk, B., Thumm, M.

“…The design of a 42-GHz 200-kW continuous-wave gyrotron operating in the TE/sub 4,2/ mode at the second cyclotron harmonic is presented. This study includes…”
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Towards a 2 MW, CW, 170 GHz coaxial cavity gyrotron for ITER by Piosczyk, B., Arnold, A., Budig, H., Dammertz, G., Dumbrajs, O., Drumm, O., Kartikeyan, M.V., Kuntze, M., Thumm, M., Yang, X.

“…The development work on coaxial cavity gyrotrons has demonstrated the feasibility of manufacturing of a 2 MW, CW 170 GHz tube that could be used for ITER. The…”
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Progress toward optimization of phase-correcting mirrors for a multifrequency 1-MW gyrotron by Xiaokang Yang, Thumm, M.K., Arnold, A., Borie, E., Dammertz, G., Drumm, O., Koppenburg, K., Wagner, D.

“…Due to the requirement of a newly designed ultra-broadband chemical vapour deposition (CVD)-diamond window for a multifrequency 1-MW short-pulse gyrotron at…”
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Possibilities for multifrequency operation of a gyrotron at FZK by Borie, E., Drumm, O., Illy, S., Koppenburg, K., Kartikeyan, M.V., Piosczyk, B., Wagner, D., Xiaokang Yang, Dammertz, G., Thumm, M.K.

“…We investigate the possibility of multifrequency operation of a 140-GHz gyrotron, which is designed to operate in the TE/sub 22,8/ mode at 140 GHz and the…”
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Detailed X-ray diffraction studies on optically pumped mid-infrared InAs/Ga(In)Sb/AlSb type-II lasers by Hoffmann, G., Schimper, H.J., Schwender, C., Herhammer, N., West, G.F., Vogelgesang, B., Drumm, J.O., Fouckhardt, H., Scheib, M.

“…We report on a high resolution X-ray diffraction analysis of three antimonide-based mid-infrared laser samples (designed for optical pumping) with an active…”
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20.4: Compact RGB Laser Module for Embedded Laser Projection by Drumm, Jan O., Gammer, Christian, Richter, Jens, Seibert, Claus

“…We report on a study of a miniaturized laser module suitable for embedded projection with the flying spot approach. The module comprises RGB lasers, a closely…”
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Design methods for mirrors in a quasi-optical mode converter for a frequency step-tunable gyrotron by Drumm, O., Dammertz, G., Thumm, M.

“…For controlling instabilities in magnetically confined plasmas, in large thermonuclear fusion reactors by localized current drive, frequency step-tunable…”
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The design of a quasi-optical mode converter for a coaxial-cavity gyrotron by Jin, J., Piosczyk, B., Michel, G., Thumm, M., Drumm, O., Rzesnicki, T., Zhang, S.C.

“…A quasi-optical mode converter is used in the TE/sub 34,19/, 2 MW, CW 170 GHz coaxial cavity gyrotron, which is under development at FZK. The cut of the…”
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Design of a multifrequency high power gyrotron at FZK by Koppenburg, K., Arnold, A., Borie, E., Dammertz, G., Drumm, O., Kartikeyan, M.V., Piosczyk, B., Thumm, M., Yang, X.

“…The design of a multifrequency tunable 1 MW, 10 s gyrotron (105-140 GHz) for controlling plasma instabilities in fusion Tokamaks is presented. It operates in…”
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Investigation of a broadband quasi optical mode converter for a multi-frequency 1 MW gyrotron by Yang, X., Arnold, A., Borie, E., Dammertz, G., Drumm, O., Koppenburg, K., Piosczyk, B., Wagner, D., Thumm, M.

“…A broadband quasi-optical (QO) mode converter for a multi-frequency gyrotron has been designed and tested at Forschungszentrum Karlsruhe (FZK). The launcher is…”
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Experimental results and technical requirements for a 2 MW, CW, 170 GHz coaxial cavity gyrotron by Piosczyk, B., Arnold, A., Budig, H., Dammertz, G., Dumbrajs, O., Drumm, O., Kartikeyan, M.V., Kuntze, M., Thumm, M., Yang, X.

“…In recent experiments on a 165 GHz, coaxial cavity gyrotron, the data basis necessary for a technical design and for industrial manufacturing of such a tube…”
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65.2: Advanced Laser Module with Intra Frame Operating Color Management for Mobile Projection by Drumm, Jan O., Gammer, Christian, Richter, Jens, Seibert, Claus

“…We report on an intra image frame approach for controlling output power and mixed color of RGB lasers. Lasers, laser driving and laser control electronics as…”
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A 2 MW, 170 GHz coaxial cavity gyrotron by Piosczyk, B., Budig, H., Dammertz, G., Dumbrajs, O., Drumm, O., Illy, S., Leonhardt, W., Schmid, M., Thumm, M.

“…Summary form only given, as follows. In experiments performed on a 165 GHz coaxial cavity gyrotron operated in the TE/sub 31,17/ mode the feasibility of…”
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A novel approach in the determination of visible surfaces in 3D vector geometries for ray-optical wave propagation modelling by Maurer, J., Drumm, O., Didascalou, D., Wiesbeck, W.

“…Image theory as a ray-tracing method is a well known but cumbersome tool for propagation modelling. A promising way to enhance its efficiency is a prior…”
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Development of frequency step tunable 1 MW gyrotrons in D-band by Thumm, M., Arnold, A., Borie, E., Dammertz, G., Drumm, O., Heidinger, R., Kartikeyan, M.V., Koppenburg, K., Meier, A., Piosczyk, B., Wagner, D., Yang, X.

“…Gyrotrons are widely used in electron-cyclotron-plasma heating of fusion installations. Modern and future installations require microwave sources with power of…”
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X-ray studies and time-resolved photoluminescence on optically pumped antimonide-based midinfrared type-II lasers by Schwender, Carsten, Drumm, Jan Oliver, Hoffmann, Goetz, Vogelgesang, Birgit, Fouckhardt, Henning

“…We report on high-resolution X-ray diffraction and time-resolved photoluminescence (TR-PL) studies of antimonide-based midinfrared (MIR) type-II laser samples…”
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