Carl Zeiss Smt Gmbh

Voith Patent Gmbh

Carl-zeiss-smt Ag

Carl Zeiss Laser Optics Gmbh

Thomas Neidhardt

Holger Muenz

Ulrich Bingel

Wilhelm Egle

Willi Anderl

Wolfgang Hafner

Carsten Mende

Franklin Stinson

Holger Münz

Roland Meyer

Markus Gairing

Mauricio Kondo

Daniel Rodrigo Barreto Silva

Gregory Snyder

A Francis turbine includes a waterway, an impeller disposed in the waterway, a distributor apparatus disposed in the waterway and an additional element for adjusting the flow of water through the turbine. The additional element is disposed in the waterway upstream of the impeller in the water flow direction, and the additional element includes a perforated metal sheet that may be brought into the waterway. A method for operating such a turbine is also provided.

Francis turbine and method of operating same

An optical component comprises at least one optically effective optical element which heats up when irradiated with light, and at least one holding element for the at least one optical element for holding the at least one optical element in a carrier structure, wherein the at least one optical element is connected to the at least one holding element in heat conducting fashion, and wherein the at least one holding element is at least partially provided with an active cooling system for carrying off heat from the at least one optical element. Additionally or alternatively, a temperature control device is provided which controls the temperature of at least a part of the mount of the optical element.

Optical component having an improved transient thermal behavior and method for improving the transient thermal behavior of an optical component

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Heidenheim, Germany

Thomas Neidhardt