Search Results - "Guern, F. Le"

Overview of optical designs of the port-plug components for the ITER Equatorial Wide Angle Viewing System (WAVS) by Vives, S., Aumeunier, M.H., Guillon, C., Letellier, L., Doceul, L., Proust, M., Portafaix, C., Loarer, T., Lapcevic, N., Lefevre, N., Moll, M., Medrano, M., Martin, V., Le Guern, F., Piqueras, J.

“…The equatorial visible and infrared Wide Angle Viewing System (WAVS) for ITER is one of the key diagnostics for machine protection, plasma control and physics…”
Get full text

An overview of a comprehensive First Mirror Test for ITER at JET by Rubel, M., Temmerman, G. De, Sundelin, P., Coad, J.P., Widdowson, A., Hole, D., Guern, F. Le, Stamp, M., Vince, J.

“…The test was performed with 32 stainless steel and molybdenum mirrors placed in pan-pipe shaped cassettes and exposed in JET in the divertor and on the main…”
Get full text

First results on modeling of ITER infrared images by Ko an, M, Reichle, R, Aumeunier, M-H, Gunn, J P, Kajita, S, Le Guern, F, Lisgo, S W, Loarer, T, Kukushkin, A S, Sashala Naik, A, Rigollet, F, Stratton, B

“…Infrared (IR) images of the ITER wide angle viewing system are modeled for the baseline plasma equilibrium and partially detached tungsten divertor, taking…”
Get full text

In-vessel final design of the ITER Wide Angle Viewing System in equatorial port 12 by Vives, S., Letellier, L., Guillon, C., Aumeunier, M.H., Delmas, E., Lapcevic, N., Lefèvre, N., Loarer, T., Garitta, S., Grosy, J., Peneliau, Y., Proust, M., Guern, F. Le, Piqueras, J.J.

“…The ITER Wide Angle Viewing System (WAVS) is a major diagnostic for machine protection, plasma control and physics analysis. It will measure the surface…”
Get full text

Electromagnetic analysis of ITER equatorial Wide Angle Viewing System (WAVS) in-vessel components by Garitta, S., Portafaix, C., Letellier, L., Guillon, C., Le Guern, F., Testoni, P., Guirao, J., Kocan, M.

“…•Electromagnetic and associated Transient Structural analyses of the in-vessel ITER Wide Angle Viewing System (Preliminary Design Review).•Local and detailed…”
Get full text

Final opto-mechanical design of ex-vessel components for the Wide Angle Viewing System diagnostic for ITER Equatorial Port 12 by Medrano, M., Pastor, C., Soleto, A., Carrasco, R., Lapayese, F., de la Peña, A., Pereira, A., Rincón, E., Cabrera, S., Fernández, A., Ramos, F., Rodríguez, C., Mota, F., Queral, V., Lopez-Heredero, R., Vives, S., Guern, F. Le, Piqueras, J.J.

“…The ITER WAVS (visible and infrared Wide Angle Viewing System) provides measurements of surface temperature for the plasma facing components by infrared…”
Get full text

Tests on the prototype of the Optical Hinge for the Wide Angle Viewing System to ITER gamma radiation conditions by Carrasco, R., Lapayese, F., de la Peña, A., Medrano, M., Mota, F., Soleto, A., Pereira, A., Pastor, C., Rodríguez, C., Rincón, E., Cabrera, S., Fernández, A., Ramos, F., Queral, V., Letellier, L., Guern, F. Le, Piqueras, J.J.

“…•Piezoelectric technology is suitable for working under ITER conditions, with a good behavior in radiation environments.•The tested piezo actuator can work…”
Get full text

RF discharge mirror cleaning for ITER optical diagnostics using 60 MHz very high frequency by Marot, L., Moser, L., Steiner, R., Erni, W., Steinacher, M., Dine, S., Porosnicu, C., Lungu, C.P., Soni, K., Antunes, R., Le Guern, F., Piqueras, J., Meyer, E.

“…•First mirror cleaning using 60 MHz very high frequency was optimized.•The pre-matching element is reducing the power consumption.•Cleaning homogeneity on a…”
Get full text

Plasma cleaning of ITER first mirrors by Moser, L, Marot, L, Steiner, R, Reichle, R, Leipold, F, Vorpahl, C, Le Guern, F, Walach, U, Alberti, S, Furno, I, Yan, R, Peng, J, Ben Yaala, M, Meyer, E

“…Nuclear fusion is an extremely attractive option for future generations to compete with the strong increase in energy consumption. Proper control of the fusion…”
Get full text

Deposition of trace elements from high temperature gases of Satsuma-Iwojima volcano by Africano, F., Van Rompaey, G., Bernard, A., Le Guern, F.

“…The Satsuma-Iwojima volcano has been emitting continuously high temperature (600° to 900°C) gases for at least 800 years. We identified the minerals that form…”
Get full text

Design overview of ex-vessel components for the Wide Angle Viewing System diagnostic for ITER Equatorial Port 12 by Medrano, M., Soleto, A., Pastor, C., Rodríguez, C., Carrasco, R., Lapayese, F., de la Peña, A., Pereira, A., Rincón, E., Cabrera, S., Ramos, F., de la Cal, E., Mota, F., Queral, V., Lopez-Heredero, R., Manzanares, A., Alén-Cordero, C., Letellier, L., Vives, S., Martin, V., Guern, F. Le, Piqueras, J.J., Kocan, M.

“…•The manuscript shows the preliminary opto-mechanical design of the ex-vessel components for the wide angle viewing system (WAVS) for ITER equatorial port 12…”
Get full text

Steam-Resistant Optical Materials for Use in Diagnostic Mirrors for ITER by Pereira, A., Martin, P., Heredero, R. L., Torquemada, M. C., Rodrigo, M. T., Gomez, L. J., Vila, R., Belenguer, T., Medrano, M., Piqueras, J. J., Le Guern, F., Pastor, C., Rodriguez, M. C., Quintana, J. A., Carrasco, R., Lapayese, F., de la Pena, A., Alen-Cordero, C.

“…The need for a steam ingress environmental experiment is very significant to understand the impact of accidental in-vessel coolant leaks at ITER and to study…”
Get full text

Shutdown dose rate assessment of the interspace components of wide angle viewing system diagnostic for ITER by Mota, F., Peneliau, Y., Catalan, J.P., Alguacil, J., Medrano, M., Rincón, E., Cabrera, S., Carrasco, R., Lapayese, F., Pastor, C., de la Peña, A., Pereira, A., Queral, V., Ramos, F., Rodríguez, C., Soleto, A., Letellier, L., Le Guern, F., Piqueras, J.J.

“…Shutdown dose rate (SDDR) calculations have been performed to give support to the design of the Interspace (IS) VIS/IR WAVS diagnostic components of the…”
Get full text

Co-deposited layer characterisation and removal control by optical emission spectroscopy coupled to nano-second laser ablation by Le Guern, F., Brygo, F., Fichet, P., Gauthier, E., Hubert, C., Lascoutuna, C., Menut, D., Mousset, S., Semerok, A., Tabarant, M., Weulersse, J.M.

“…Optical emission spectroscopy, coupled with laser ablation, has been used to characterise plasma facing components. First results of feasibility studies have…”
Get full text

Structural analysis of the Interspace Afocal Module of the Wide Angle Viewing System diagnostic for ITER by Rincón, E., Cabrera, S., Carrasco, R., Lapayese, F., Medrano, M., Mota, F., Pastor, C., de la Peña, A., Pereira, A., Queral, V., Ramos, F., Rodríguez, C., Soleto, A., Letellier, L., Le Guern, F., Piqueras, J.J.

“…•Structural Integrity of the Preliminary Design of the ITER Interspace Afocal Module (IAM) is ensured for every Load combination.•IAM Natural frequencies are…”
Get full text

Laser fluence, repetition rate and pulse duration effects on paint ablation by Brygo, François, Dutouquet, Ch, Le Guern, F., Oltra, R., Semerok, A., Weulersse, J.M.

“…The efficiency (mm 3/(J pulse)) of laser ablation of paint was investigated with nanosecond pulsed Nd:YAG lasers ( λ = 532 nm) as a function of the following…”
Get full text

Enhancement of photobactericidal activity of Chlorin-e6 grafted on cellulose nanocrystals by covalent coupling of polymyxin B by Le Guern, F, Ouk, T.S, Poli, E, Grenier, K, Sol, V

Get full text

Synthesis and photophysical properties of photoactivable cationic porphyrin 5-(4- N -dodecylpyridyl)-10,15,20-tri(4- N -methylpyridyl)-21 H , 23 H -porphyrin tetraiodide for anti PDT by Stallivieri, A, Le Guern, F, Vanderesse, R, Meledge, E, Jori, G, Arnoux, P, Frochot, C, Acherar, S

Get full text

Helium isotopes at Satsuma-Iwojima volcano, Japan by Fourré, E., Guern, F. Le, Jean-Baptiste, P.

“…We present isotopic analyses of helium in fluids collected during two field trips at Satsuma-Iwojima and Shin-Iwojima islands in November 1998 and October…”
Get full text

Volcanogenic Halocarbons by Jordan, Armin, Harnisch, Jochen, Borchers, Reinhard, Le Guern, Francois, Shinohara, Hiroshi

“…Previous investigations reported on the volcanic production of halocarbons including chlorofluorocarbons (CFCs). It has been suggested that this natural source…”
Get full text