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Related papers: The Extremely Large Telescope Interferometer

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Light field (LF) imaging, which captures both spatial and angular information of a scene, is undoubtedly beneficial to numerous applications. Although various techniques have been proposed for LF acquisition, achieving both angularly and…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Trung-Hieu Tran , Jan Berberich , Sven Simon

The Large Synoptic Survey Telescope (LSST) is a wide-field imaging system of unprecedented etendue. The initial goal of the project is to carry out a ten year imaging survey in six broad passbands (ugrizy) that cover $350 nm < \lambda < 1.1…

Instrumentation and Methods for Astrophysics · Physics 2019-05-14 Christopher W. Stubbs , Katrin Heitmann

This work introduces a new approach to the Epileptic Spasms (ESES) detection based on the EEG signals using Vision Transformers (ViT). Classic ESES detection approaches have usually been performed with manual processing or conventional…

Neurons and Cognition · Quantitative Biology 2024-12-18 Wei Gong , Yaru Li

Fluorescence microscopy and derived techniques are continuously looking for photodetectors able to guarantee increased sensitivity, high spatial and temporal resolution and ease of integration into modern microscopy architectures. Recent…

Fabry-Perot interferometers have advantages over slit spectrographs because they allow fast narrow-band imaging and post-factum image reconstruction of spectropolarimetric data. Temperature, plasma velocity, and magnetic field maps can be…

Instrumentation and Methods for Astrophysics · Physics 2013-03-14 Klaus G. Puschmann , Horst Balthasar , Svend-Marian Bauer , Thomas Hahn , Emil Popow , Thomas Seelemann , Reiner Volkmer , Manfred Woche , Carsten Denker

The Big Fringe Telescope (BFT) is a facility concept under development for a next-generation, kilometer-scale optical interferometer. Observations over the past two decades from routinely operational facilities such as CHARA and VLTI have…

Instrumentation and Methods for Astrophysics · Physics 2024-08-05 Gerard T. van Belle , Anders M. Jorgensen

We present a technique for the single-shot measurement of the space- and time-resolved spatiotemporal amplitude and phase of an ultrashort laser pulse. The method, transient-grating single-shot supercontinuum spectral interferometry (TG-…

Optics · Physics 2021-04-07 S. W. Hancock , S. Zahedpour , H. M. Milchberg

Interferometry, as the key technique in modern precision measurements, has been used for length diagnosis in the fields of engineering metrology and astronomy. Analogous interferometric technique for time domain precision measurement is a…

Optics · Physics 2019-11-15 Zhen Yang , Wei Cao , Yunlong Mo , Huiyao Xu , Kang Mi , Pengfei Lan , Qingbin Zhang , Peixiang Lu

iLocater is a near-infrared, extremely precise radial velocity (EPRV) spectrograph under construction for the dual 8.4 m diameter Large Binocular Telescope (LBT). The instrument will undertake precision radial velocity studies of Earth-like…

Instrumentation and Methods for Astrophysics · Physics 2022-09-02 Jonathan Crass , David Aikens , Joaquin Mason , David King , Justin R. Crepp , Andrew Bechter , Eric Bechter , Mahsa Farsad , Christian Schwab , Michael VanSickle

The third-generation of gravitational wave observatories, such as the Einstein Telescope (ET) and Cosmic Explorer (CE), aim for an improvement in sensitivity of at least a factor of ten over a wide frequency range compared to the current…

Instrumentation and Methods for Astrophysics · Physics 2022-10-05 A. Utina , A. Amato , J. Arends , C. Arina , M. de Baar , M. Baars , P. Baer , N. van Bakel , W. Beaumont , A. Bertolini , M. van Beuzekom , S. Biersteker , A. Binetti , H. J. M. ter Brake , G. Bruno , J. Bryant , H. J. Bulten , L. Busch , P. Cebeci , C. Collette , S. Cooper , R. Cornelissen , P. Cuijpers , M. van Dael , S. Danilishin , D. Dixit , S. van Doesburg , M. Doets , R. Elsinga , V. Erends , J. van Erps , A. Freise , H. Frenaij , R. Garcia , M. Giesberts , S. Grohmann , H. Van Haevermaet , S. Heijnen , J. V. van Heijningen , E. Hennes , J. -S. Hennig , M. Hennig , T. Hertog , S. Hild , H. -D. Hoffmann , G. Hoft , M. Hopman , D. Hoyland , G. A. Iandolo , C. Ietswaard , R. Jamshidi , P. Jansweijer , A. Jones , P. Jones , N. Knust , G. Koekoek , X. Koroveshi , T. Kortekaas , A. N. Koushik , M. Kraan , M. van de Kraats , S. L. Kranzhoff , P. Kuijer , K. A. Kukkadapu , K. Lam , N. Letendre , P. Li , R. Limburg , F. Linde , J. -P. Locquet , P. Loosen , H. Lueck , M. Martınez , A. Masserot , F. Meylahn , M. Molenaar , C. Mow-Lowry , J. Mundet , B. Munneke , L. van Nieuwland , E. Pacaud , D. Pascucci , S. Petit , Z. Van Ranst , G. Raskin , P. M. Recaman , N. van Remortel , L. Rolland , L. de Roo , E. Roose , J. C. Rosier , D. Ryckbosch , K. Schouteden , A. Sevrin , A. Sider , A. Singha , V. Spagnuolo , A. Stahl , J. Steinlechner , S. Steinlechner , B. Swinkels , N. Szilasi , M. Tacca , H. Thienpont , A. Vecchio , H. Verkooijen , C. H. Vermeer , M. Vervaeke , G. Visser , R. Walet , P. Werneke , C. Westhofen , B. Willke , A. Xhahi , T. Zhang

The new class of large telescopes, as the future ELT, are designed to work with Laser Guide Star (LGS) tuned to a resonance of atmosphere sodium atoms. This wavefront sensing technique presents complex issues for an application to big…

Instrumentation and Methods for Astrophysics · Physics 2018-04-20 M. Patti , M. Lombini , L. Schreiber , G. Bregoli , C. Arcidiacono , G. Cosentino , E. Diolaiti , I. Foppiani

The Kilodegree Extremely Little Telescope (KELT) project is a survey for planetary transits of bright stars. It consists of a small-aperture, wide-field automated telescope located at Winer Observatory near Sonoita, Arizona. The telescope…

This paper presents the optical design of a multi-spectral piston sensor suitable to co-phasing giant segmented mirrors equipping the Future Extremely Large Telescopes (ELTs). The general theory of the sensor is described in detail and…

Optics · Physics 2015-05-14 Francois Henault

Microwave Kinetic Inductance Detectors (MKIDs) are beginning to become more prominent in astronomical instrumentation, due to their sensitivity, low noise, high pixel count for superconducting detectors, and inherent energy and time…

Instrumentation and Methods for Astrophysics · Physics 2022-09-13 V. Benedict Hofmann , Kieran O'Brien , Deli Geng

We quantify the scientific potential for exoplanet imaging with the Mid-infrared E-ELT Imager and Spectrograph (METIS) foreseen as one of the instruments of the European Extremely Large Telescope (E-ELT). We focus on two main science cases:…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 Sascha P. Quanz , Ian Crossfield , Michael R. Meyer , Eva Schmalzl , Jenny Held

The Liverpool Telescope is one of the world's premier facilities for time domain astronomy. The time domain landscape is set to radically change in the coming decade, with surveys such as LSST providing huge numbers of transient detections…

Interferometric measurements of optical path length differences of stars over large baselines can deliver extremely accurate astrometric data. The interferometer GRAVITY will simultaneously measure two objects in the field of view of the…

The European Solar Telescope (EST) is a project aimed at studying the magnetic connectivity of the solar atmosphere, from the deep photosphere to the upper chromosphere. Its design combines the knowledge and expertise gathered by the…

We present the development of the first ultrafast transmission electron microscope (UTEM) driven by localized photoemission from a field emitter cathode. We describe the implementation of the instrument, the photoemitter concept and the…

Controlling the optical response of a medium through suitably tuned coherent electromagnetic fields is highly relevant in a number of potential applications, from all-optical modulators to optical storage devices. In particular,…

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