English
Related papers

Related papers: Astrophotonics -- current capabilities and the roa…

200 papers

Observational astrophysics uses sophisticated technology to collect and measure electromagnetic and other radiation from beyond the Earth. Modern observatories produce large, complex datasets and extracting the maximum possible information…

Physics Education · Physics 2019-03-14 P. Barmby

The space-time correlations of streams of photons can provide fundamentally new channels of information about the Universe. Today's astronomical observations essentially measure certain amplitude coherence functions produced by a source.…

Instrumentation and Methods for Astrophysics · Physics 2009-03-03 C. Barbieri , M. K. Daniel , W. J. de Wit , D. Dravins , H. Jensen , P. Kervella , S. Le Bohec , F. Malbet , P. Nunez , J. P. Ralston , E. N. Ribak

Modern optical spectrographs and optical interferometers push the limits in the spectral and spatial regime, providing important new tools for the exploration of the universe. In this contribution I outline the complementary nature of…

Solar and Stellar Astrophysics · Physics 2015-06-18 Stefan Kraus

The next generation of Extremely Large Telescopes (ELT), with diameters up to 39 meters, will start opera- tion in the next decade and promises new challenges in the development of instruments. The growing field of astrophotonics (the use…

Instrumentation and Methods for Astrophysics · Physics 2014-08-07 N. Blind , E. Le Coarer , P. Kern , J. Bland-Hawthorn

One promising application of photonics to astronomical instrumentation is the miniaturization of near-infrared (NIR) spectrometers for large ground- and space-based astronomical telescopes. Here we present new results from our effort to…

Instrumentation and Methods for Astrophysics · Physics 2017-10-11 Pradip Gatkine , Sylvain Veilleux , Yiwen Hu , Joss Bland-Hawthorn , Mario Dagenais

Astrophotonics is the new frontier technology to develop diffraction-limited, miniaturized, and cost-effective instruments for the next generation of large telescopes. For various astronomical studies such as probing the early universe,…

Instrumentation and Methods for Astrophysics · Physics 2019-06-03 Pradip Gatkine , Sylvain Veilleux , Yiwen Hu , Joss Bland-Hawthorn , Mario Dagenais

One of the problems of producing instruments for Extremely Large Telescopes is that their size (and hence cost) scales rapidly with telescope aperture. To try to break this relation alternative new technologies have been proposed, such as…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Robert James Harris , Jeremy Allington-Smith

In the recent years, we observe a dramatic boost of research in photonics empowered by the concepts of machine learning and artificial intelligence. The corresponding photonic systems, to which this new methodology is applied, can range…

Optics · Physics 2022-04-04 Sergey Krasikov , Aaron Tranter , Andrey Bogdanov , Yuri Kivshar

Using photonic devices, we developed a new approach to traditional spectroscopy where the spectral cross-correlation with a template spectrum can be done entirely on-device. By creating photonic devices with a carefully designed, modulated…

The current status of the high spatial resolution imaging interferometry in optical astronomy is reviewed in the light of theoretical explanation, as well as of experimental constraints that exist in the present day technology. The basic…

Astrophysics · Physics 2007-05-23 S. K. Saha

Microwave photonics (MWP) is an emerging field in which radio frequency (RF) signals are generated, distributed, processed and analyzed using the strength of photonic techniques. It is a technology that enables various functionalities which…

Due to its location and climate, Antarctica offers unique conditions for long-period observations across a broad wavelength regime, where important diagnostic lines for molecules and ions can be found, that are essential to understand the…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 Andreas Kelz , Martin M. Roth , Hans-Gerd Löhmannsröben , Michael Kumke

There are numerous advantages to exploiting diffraction-limited instrumentation at astronomical observatories, which include smaller footprints, less mechanical and thermal instabilities and high levels of performance. To realize such…

Instrumentation and Methods for Astrophysics · Physics 2013-11-05 Izabela Spaleniak , Nemanja Jovanovic , Simon Gross , Michael J. Ireland , Jon S. Lawrence , Michael J. Withford

This paper presents how photonics associated with new arising detection technologies is able to provide fully integrated instrument for coherent beam combination applied to astrophysical interferometry. The feasibility and operation of…

Instrumentation and Methods for Astrophysics · Physics 2010-11-02 Pierre Kern , Etienne Le Coärer , Pierre Benech

Over the past century, major advances in astronomy and astrophysics have been largely driven by improvements in instrumentation and data collection. With the amassing of high quality data from new telescopes, and especially with the advent…

Integrated optics are used to achieve astronomical interferometry inside robust and compact materials, improving the instruments stability and sensitivity. In order to perform differential phase measurements at the H$\alpha$ line (656.3 nm)…

Optical fibers have altered astronomical instrument design by allowing for a complex, often large instrument to be mounted in a remote and stable location with respect to the telescope. The fibers also enable the possibility to rearrange…

Instrumentation and Methods for Astrophysics · Physics 2020-04-02 Nemanja Jovanovic , Robert J. Harris , Nick Cvetojevic

Topology is a powerful framework for controlling and manipulating light, minimizing detrimental perturbations on the photonic properties. Combining nanophotonics with topological concepts presents opportunities for both fundamental physics…

Optics · Physics 2025-08-29 Grazia Salerno

Long-baseline interferometry at optical and near-infrared wavelengths is an emerging technology which is quickly becoming a useful tool to investigate stellar atmospheres and to compare observations with models. Stellar atmosphere models…

Astrophysics · Physics 2007-05-23 Markus Wittkowski

One of the most useful techniques in astronomical instrumentation is image slicing. It enables a spectrograph to have a more compact angular slit, whilst retaining throughput and increasing resolving power. Astrophotonic components like the…