Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Bernhard Steiger"'
Publikováno v:
Optik & Photonik. 8:64-67
Publikováno v:
Applied Surface Science. :752-759
Hafnia, zirconia and yttria films for optical applications were prepared by laser ablation using an excimer laser at 248 nm wavelength. Films were deposited at room temperature either in an oxygen atmosphere or with additional oxygen ion bombardment
Autor:
Günter Reisse, Bernd Keiper, Bernhard Steiger, R. Scholz, H. Johansen, Steffen Weissmantel, T. Martini
Publikováno v:
Applied Surface Science. 86:114-121
In this paper we will present the results of investigations of the influence of substrate cooling by liquid nitrogen during film deposition on the optical properties of oxide films prepared by means of laser pulse deposition. A CO2-TEA laser at 10.6
Publikováno v:
Thin Solid Films. 253:28-32
The demand for bulk-like films in the field of optical coatings stimulates the development of novel deposition techniques. Laser beams can serve as a controlled source of heat in order to modify both the deposition process and the microstructure of t
Autor:
Marshall Thomsen, John R. Taylor, Adolf Giesen, Detlev Ristau, Ramin Lalezari, Robert Chow, H.-J. Obramski, Qiang Zhao, Marc K. Von Gunten, Zhengxiu Fan, Christoph Fleig, Bernhard Steiger, Ulrike Broulik, Jean DiJon, Catherine Pelle, Y. Chen, Albert Claude Boccara, Kent Moncur, Zhouling Wu, Pao-Kuang Kuo, David W. Reicher, Pierre J. Roche, Mireille Commandre
Publikováno v:
Laser-Induced Damage in Optical Materials: 2000.
An international round robin study was conducted on the absorption measurement of laser-quality coatings. Sets of optically coated samples were made by a reactive DC magnetron sputtering and an ion beam sputtering deposition process. The sample set i
Autor:
Ulrike Broulik, Jonathan W. Arenberg, Bernhard Steiger, Detlev Ristau, Uwe Willamowski, Wolfgang Riede
Publikováno v:
SPIE Proceedings.
This paper presents a second look at analyzing the results from the recently held German National damage test round robin experiment. This experiment was performed under the auspices of CHOCLAB to validate the method in ISO/DIS 11254- 1.2. The result
Autor:
Uwe Willamowski, Manfred Dieckmann, Ulrike Broulik, Bernhard Steiger, Wolfgang Riede, Detlev Ristau
Publikováno v:
SPIE Proceedings.
The standardization of laser damage testing is an important prerequisite for development and quality control of optical components exposed to high-power laser beams. The ISO working group ISO/TC 172/SC9/WG6 is currently engaged with the preparation o
Autor:
Udo Koschade, Bernhard Steiger
Publikováno v:
SPIE Proceedings.
A set-up for the reflectance measurement of materials or optical system at 1.06 and 10.6 micrometers wavelengths is presented. It is based on the reflection measuring method of the Institut fuer Strahlwerkzeuge in Stuttgart, Germany. In contrast to i
Autor:
Bernhard Steiger, Ute Pfeifer
Publikováno v:
SPIE Proceedings.
Calorimetric absorption measurements are a valuable supplement for investigation of laser damage processes at substrate materials in the UV region. Our investigations for the influence of the measurement arrangement and irradiation parameters on the
Publikováno v:
SPIE Proceedings.
An experimental set-up using different pulsed photothermal measuring techniques is presented. The set-up allows investigation of different optical components byu means of the photothermal reflectance microscopy, photothermal transmittance microscopy