English
Related papers

Related papers: The Conceptual Design of the Magdalena Ridge Obser…

200 papers

This article reports the advances on the development of mid-infrared integrated optics for stellar interferometry. The devices are fabricated by laser writing techniques on chalcogenide glasses. Laboratory characterizaton is reported and…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 L. Labadie , Guillermo Martin , Airan Rodenas , Norman C. Anheier , Brahim Arezki , Robert R. Thomson , Hong A. Qiao , Pierre Kern , Ajoy K. Kar , Bruce E. Bernacki

Interferometry provides highly sensitive access to optical phase and is central to much of modern metrology and phase imaging methods. Conventional implementations, however, often face trade-offs between mechanical stability and…

The scientific motivation is reviewed for a next generation radio observatory operating at frequencies between about 200 MHz and 2 GHz with about 2 orders of magnitude greater sensitivity than that which is currently available, together…

Astrophysics · Physics 2016-11-03 Robert Braun

The design of an interferometric array should allow optimal instrumental response regarding all possible source positions, times of integration and scientific goals. It should also take into account constraints such as forbidden regions on…

Astrophysics · Physics 2009-11-07 F. Boone

KAGRA is a cryogenic interferometric gravitational wave detector being constructed at the underground site of Kamioka mine in Gifu prefecture, Japan. We performed an optimization of the interferomter design, to achieve the best sensitivity…

General Relativity and Quantum Cosmology · Physics 2015-06-16 Yoichi Aso , Yuta Michimura , Kentaro Somiya , Masaki Ando , Osamu Miyakawa , Takanori Sekiguchi , Daisuke Tatsumi , Hiroaki Yamamoto

The U. C. Berkeley Infrared Spatial Interferometer has been outfitted with a filterbank system to allow interferometric observations of mid-infrared spectral lines with very high spectral resolution (R ~ 10^5). This paper describes the…

Astrophysics · Physics 2009-10-31 J. D. Monnier , W. Fitelson , W. C. Danchi , C. H. Townes

The Wide-field Infrared Transient Explorer (WINTER) is a near-infrared time-domain survey instrument operating on a dedicated 1-meter robotic telescope at Palomar Observatory. The project takes advantage of recent technology advances in…

Research activities during the last decade have shown the strong potential of photonic devices to greatly simplify ground based and space borne astronomical instruments and to improve their performance. We focus specifically on the…

Instrumentation and Methods for Astrophysics · Physics 2010-11-02 L. Labadie , O. Wallner

We recognize the need for the characterization of exoplanets in reflected light in the visible and in the IR termal emission. But for the thermal infrared we also recognize the difficulty of an interferometric nuller We nevertheless endorse…

Earth and Planetary Astrophysics · Physics 2009-06-02 Jean Schneider

We propose a new instrumental concept for long-baseline optical single-mode interferometry using integrated optics which were developed for telecommunication. Visible and infrared multi-aperture interferometry requires many optical…

Astrophysics · Physics 2009-10-31 F. Malbet , P. Kern , I. Schanen-Duport , J. -P. Berger , K. Rousselet-Perraut

Magneto-optical properties of materials are utilized in numerous applications both in scientific research and industries. The novel properties of these materials can be further investigated by performing metrology in the infrared wavelength…

An introduction to the theory and practical aspects of infrared interferometry is given in the context of the study of massive young stellar objects. Basic interferometric concepts, as well as observable quantities and their use, are…

Solar and Stellar Astrophysics · Physics 2014-02-17 Paul A. Boley

We report development of a simple and affordable radio interferometer suitable as an educational laboratory experiment. With the increasing importance of interferometry in astronomy, the lack of educational interferometers is an obstacle to…

Instrumentation and Methods for Astrophysics · Physics 2016-04-20 Jin Koda , James Barrett , Tetsuo Hasegawa , Masahiko Hayashi , Gene Shafto , Jeff Slechta , Stanimir Metchev

The interferometers being planned for second generation LIGO promise and order of magnitude increase in broadband strain sensitivity--with the corresponding cubic increase in detection volume--and an extension of the observation band to…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Peter Fritschel

The upcoming European design study `Einstein gravitational-wave Telescope' represents the first step towards a substantial, international effort for the design of a third-generation interferometric gravitational wave detector. It is…

General Relativity and Quantum Cosmology · Physics 2009-11-13 A. Freise , S. Chelkowski , S. Hild , W. Del Pozzo , A. Perreca , A. Vecchio

Several km-scale gravitational-wave detectors have been constructed world wide. These instruments combine a number of advanced technologies to push the limits of precision length measurement. The core devices are laser interferometers of a…

General Relativity and Quantum Cosmology · Physics 2015-12-16 Charlotte Bond , Daniel Brown , Andreas Freise , Kenneth Strain

The question "How did we get here and what will the future bring?" captures the human imagination and the attention of the National Academy of Science's Astronomy and Astrophysics Survey Commitee (AASC). Fulfillment of this "fundamental…

X-ray interferometry has the potential to provide imaging at ultra high angular resolutions of 100 micro arc seconds or better. However, designing a practical interferometer which fits within a reasonable envelope and that has sufficient…

Astrophysics · Physics 2009-11-10 R. Willingale

The observation of neutron interference by using a crystal interferometer having a separate analyser opens the way to the construction and operation of interferometers with vast arm separation and length. Setting the design specifications…

Instrumentation and Detectors · Physics 2023-05-19 Carlo Paolo Sasso , Giovanni Mana , Enrico Massa

This chapter aims to provide a review of the basics of 21 cm interferometric observations and its methodologies. A summary of the main concepts of radio interferometry and their connection with the 21 cm observables - power spectra and…

Instrumentation and Methods for Astrophysics · Physics 2019-09-27 G. Bernardi
‹ Prev 1 2 3 10 Next ›