Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Benedikt Guldimann"'
Autor:
Anton Lagosh, Benedikt Guldimann, Philippe Giaccari, Gregoire Kerr, Takeshi Nishizawa, Berit Ahlers, Peyman Rahnama, Niels Quack
Publikováno v:
2022 IEEE 35th International Conference on Micro Electro Mechanical Systems Conference (MEMS).
We present design, fabrication and experimental characterization of a multichannel Smart Slit Assembly for next generation spectrometers, based on an array of 40 variable optical attenuators employing MEMS shutters integrated with large core multimod
Autor:
Fabian Kaufmann, Urs Meier, Rachel Grange, David Pohl, E. Alberti, Benedikt Guldimann, Marc Reig Escalé, Anton Sergeyev, Philippe Giaccari, Peter Brotzer, Mohammad Madi
Publikováno v:
Nature Photonics, 14
Nature Photonics
Nature Photonics
Nature Photonics, 14
ISSN:1749-4885
ISSN:1749-4893
ISSN:1749-4885
ISSN:1749-4893
Autor:
Anton Lagosh, Hamed Sattari, Mauro Melozzi, Takeshi Nishizawa, Gergely Huszka, Gregoire Kerr, Benedikt Guldimann, Niels Quack, Peyman Rahnama, Berit Ahlers
Publikováno v:
MOEMS and Miniaturized Systems XX.
We present the concept and detailed design of a Smart Slit Assembly for next generation spectrometers, and we experimentally demonstrate operation of an individual 221 mu m x 111 mu m smart slit channel employing a MEMS actuated shutter to continuous
Autor:
Mauro Melozzi, Gregoire Kerr, Gergely Huszka, Berit Ahlers, Benedikt Guldimann, Peyman Rahnama, Anton Lagosh, Hamed Sattari, Niels Quack, Takeshi Nishizawa
Publikováno v:
2021 IEEE 34th International Conference on Micro Electro Mechanical Systems (MEMS).
We present the concept and design, and we report on the experimental performance of a broadband Variable Optical Attenuator (VOA) for integration with large-core rectangular multimode waveguides. Operation of an individual 221 mu m x 111 mu m optical
Autor:
Kevin Grabowski, Stefan Risse, Thomas Flügel-Paul, Carolin Rothhardt, Ramona Eberhardt, Tino Benkenstein, Benedikt Guldimann, Uwe D. Zeitner
Publikováno v:
International Conference on Space Optics — ICSO 2018.
Here, we report on the approach of realizing an all-fused-silica PGP disperser (prism + grating + prism) by low temperature direct bonding. A surface relief grating with period 660nm and overall depth of approximately 2000nm is sandwiched between two
Autor:
Bernd Sierk, Benedikt Guldimann, Simon Amann, Quynh Duong-Ederer, Tobias Haist, Wolfgang Osten
Publikováno v:
International Conference on Space Optics — ICSO 2018.
In this contribution, an approach for the characterization of various fiber-based slit homogenizer devices in the NIR and SWIR is shown. The devices are to be tested for use in a satellite-based spectrometer for spatial monitoring of anthropogenic gr
Autor:
Wilfried Noell, Thierry Viard, Benedikt Guldimann, Frederic Zamkotsian, Marco Freire, Arnaud Liotard, Stefan Kraft
Publikováno v:
International Conference on Space Optics — ICSO 2012.
Due to the relatively large number of optical Earth Observation missions at ESA, this area is interesting for new space technology developments. In addition to their compactness, scalability and specific task customization, optical MEMS could generat
Autor:
B. Sierk, S. Kraft, Bernd Harnisch, Benedikt Guldimann, Jean-Loup Bezy, Atul Deep, G. Bazalgette, Ramon Vink
Publikováno v:
International Conference on Space Optics — ICSO 2014.
In the frame of recent studies and missions, ESA has been performing various pre-developments of optical gratings for instruments operating at wavelengths from the UV up to the SWIR. The instrument requirements of Sentinel-4, Sentinel-5, CarbonSat an
Publikováno v:
CEAS Space Journal. 7:433-451
Various optical grating pre-developments in the frame of recent studies and missions are presented. Technologies, designs and results are shown and discussed as well as the development status reported. Finally, grating concepts minimizing straylight
Autor:
Benedikt Guldimann, Kyriaki Minoglou
Publikováno v:
Photonic Instrumentation Engineering III.
This paper introduces a novel imaging spectrometer subsystem concept, the Smart Slit Assembly (SSA), that improves instrument performances and enables new features for future Earth Observation. Derived from CarbonSat (ESA study) requirements, a conce