Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Hans Joachim Juranek"'
Publikováno v:
Steel Research. 72:416-420
Superinvar with mass contents of 31 % Ni and 5 % Co can show first traces of the γ-α transformation as far as 10 K above the Ms-temperature that is established by continuous cooling dilatometry. By thermal cycling to a desired operation temperature
Publikováno v:
SPIE Proceedings.
Bollinger and H.-J. Juranek, S. Schulte, K. MayCarl ZeissD-73446 Oberkochen (Germany)A. MichelEuropean Southern ObservatoryKarl Schwarzschildstrasse 2D-85748 Garching-bei-Muenchen (Germany)ABSTRACTThe Tertiary Mirrors for the ESO Very Large Telescope
Autor:
Juergen Schweizer, Bernd Paul Kunkel, G. Dempewolf, Frank Schillke, A. Litzelmann, Bernd Harnisch, Elke Schmidt, Hans Joachim Juranek, Rolf Sand
Publikováno v:
SPIE Proceedings.
In 1991 Carl Zeiss started a program to develop powerful telescopes for airborne and spaceborne earth-observation telescopes. This article summarizes some of the main result of this program. To emphasize the importance of these activities a short his
Autor:
Bernd Paul Kunkel, Dave E. Charlton, Hans Joachim Juranek, Olivier Saint-Pe, Roland Meynart, Elke Schmidt, Horst Schwarzer, Rolf Sand, Robert Davancens, Giuseppe Basile, Marino Fabbricotti, Karl-Heinz Suemnich, Winfried Posselt, L. Calamei, Philip N. Slater, Bernd Harnisch, Liz Sankus, Juergen Schweizer, Olivier Donnadieu
Publikováno v:
SPIE Proceedings.
The recent developments within the ESA funded HRIS (high resolution imaging spectrometer) technology program -- aiming at an airborne demonstrator model -- yielded rather successful subsystem developments. HRIS is designed as a true pushbroom hypersp
Autor:
Dominic Doyle, A. Litzelmann, Hans Joachim Juranek, Wolfgang Pannhorst, Pierre M. Bricard, J. Bourrieau, W. Rits, Bengt Johlander
Publikováno v:
Specification, Production, and Testing of Optical Components and Systems.
This paper describes the results of a study carried out to measure the actual deformation of a Zerodur telescope mirror due to electron irradiation simulating the dose expected on a satellite in geostationary orbit (GEO). The purpose of the work was
Publikováno v:
SPIE Proceedings.
SILEX is the acronym for Satellite InterLink EXperiment. By this experiment ESA (European Space Agency) starts the optical communication technique in space. Similar to the usual RF-communication technique the optical technique requires antennas for t
Publikováno v:
SPIE Proceedings.
A technique developed at ESTEC for the measurement and theoretical estimation of optical polarization in the antenna telescopes of space optical communication systems (e.g., the ESA SILEX intersatellite system using 825-nm semiconductor lasers) is de
Conference
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Conference
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