Fraunhofer-Gesellschaft

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Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
201643% sunlight to electricity conversion efficiency using CPV
Steiner, M.; Siefer, G.; Schmidt, T.; Wiesenfarth, M.; Dimroth, F.; Bett, A.W.
Zeitschriftenaufsatz
2016Epitaxial N-type silicon solar cells with 20% efficiency
Milenkovic, N.; Drießen, M.; Steinhauser, B.; Benick, J.; Lindekugel, S.; Hermle, M.; Janz, S.; Reber, S.
Konferenzbeitrag
2016Four-junction wafer-bonded concentrator solar cells
Dimroth, Frank; Tibbits, Thomas N.D.; Niemeyer, Markus; Predan, Felix; Beutel, Paul; Karcher, Christian; Oliva, Eduard; Siefer, Gerald; Lackner, David; Fuß-Kailuweit, Peter; Bett, Andreas; Krause, Rainer; Drazek, Charlotte; Guiot, Eric; Wasselin, Jocelyne; Tauzin, Aurélie; Signamarcheix, Thomas
Zeitschriftenaufsatz
2015High-gain over 30% PAE power amplifier MMICs in 100 nm GaN technology at Ka-band frequencies
Chéron, J.; Campovecchio, M.; Quéré, R.; Schwantuschke, D.; Quay, R.; Ambacher, O.
Konferenzbeitrag
2014Source/load pull investigation of AlGaN/GaN power transistors with ultra-high efficiency
Carrubba, V.; Quay, R.; Maroldt, S.; Musser, M.; Raay, F. van; Ambacher, O.
Konferenzbeitrag
2013High-efficiency power amplifier MMICs in 100 nm GaN technology at Ka-band frequencies
Chéron, J.; Campovecchio, M.; Quéré, R.; Schwantuschke, D.; Quay, R.; Ambacher, O.
Konferenzbeitrag
2011Broadband GaN-based switch-mode core MMICs with 20 W output power operating at UHF
Maroldt, S.; Quay, R.; Haupt, C.; Ambacher, O.
Konferenzbeitrag
1999High-efficiency and high-brightness 980-nm AlGaAs/InGaAs diode lasers
Braunstein, J.; Mikulla, M.; Schmitt, A.; Kiefer, R.; Walther, M.; Weimann, G.
Konferenzbeitrag
1999High-power InAlGaAs laser diodes with high efficiency at 980 nm
Mikulla, M.; Schmitt, A.; Walther, M.; Kiefer, R.; Moritz, R.; Müller, S.; Sah, R.E.; Braunstein, J.; Weimann, G.
Konferenzbeitrag
1993Computer generated microlenses with high efficiency
Pawlowski, E.; Ferstl, M.; Kuhlow, B.
Konferenzbeitrag
1993The influence of oxide thickness on the passivation of high efficiency silicon solar cells
Kopp, J.; Knobloch, J.; Wettling, W.
Konferenzbeitrag
1993Silizium-Solarzellen mit höchsten Wirkungsgraden
Wettling, W.
Konferenzbeitrag
1993Thin film deposition: An alternative technique for the fabrication of binary optics with high efficiency
Pawlowski, E.
Konferenzbeitrag
1990Starting points for raising the efficiency of practical silicon solar cells
Knobloch, J.; Aberle, A.G.; Warta, W.; Voss, B.
Konferenzbeitrag
1989Transformerless DC/AC inverter for 30 kW power
Schätzle, R.; Laukamp, H.; Schmid, J.
Aufsatz in Buch
1986Electro-optic modulators in GaInAsP/InP
Krauser, J.; Albrecht, P.; Bornholdt, C.; Doldissen, W.; Niggebrugge, U.; Nolting, H.-P.; Schlak, M.
Konferenzbeitrag
1985High-efficiency phase modulators in InGaAsP/InP
Bornholdt, C.; Doldissen, W.; Franke, D.; Krauser, J.; Niggebrugge, U.; Nolting, H.-P.; Schmitt, F.
Konferenzbeitrag