English
Related papers

Related papers: GREGOR Fabry-Perot Interferometer - status report …

200 papers

The Gemini Planet Imager (GPI) is an integral field spectrograph (IFS) and coronagraph that is one of the few current generation instruments optimized for high-contrast direct imaging of substellar companions. The instrument is in the…

We present the ongoing development of a commercially available Micron Optics fiber-Fabry Perot Interferometer as a precise, stable, easy to use, and economic spectrograph reference with the goal of achieving <1 m/s long term stability.…

Instrumentation and Methods for Astrophysics · Physics 2013-02-06 Samuel Halverson , Suvrath Mahadevan , Lawrence Ramsey , Stephen Redman , Gillian Nave , John C. Wilson , Fred Hearty , Jon Holtzman

The Gemini Planet Imager (GPI) is a complex optical system designed to directly detect the self-emission of young planets within two arcseconds of their host stars. After suppressing the starlight with an advanced AO system and apodized…

The Gemini Planet Imager is a high-contrast near-infrared instrument specifically designed to image exoplanets and circumstellar disks over a narrow field of view. We use science data and AO telemetry taken during the first 1.5 yr of the…

High-resolution imaging spectroscopy in solar physics has relied on Fabry-Perot Interferometers (FPIs) in recent years. FPI systems, however, get technically challenging and expensive for telescopes larger than the 1-m class. A conventional…

Solar and Stellar Astrophysics · Physics 2018-03-14 C. Beck , R. Rezaei , D. Prasad Choudhary , S. Gosain , A. Tritschler , R. E. Louis

Large Fabry-Perot Interferometers are used in a variety of astronomical instrumentation, including spectro-polarimeters for 4-meter class solar telescopes. In this work we comprehensively characterize the cavity of a prototype 150 mm…

Instrumentation and Methods for Astrophysics · Physics 2022-02-09 V. Greco , A. Sordini , G. Cauzzi , F. Cavallini , C. Del Vecchio , L. Giovannelli , F. Berrilli , D. Del Moro , K. Reardon , K. Pietraszewski

A new generation of solar instruments provides improved spectral, spatial, and temporal resolution, thus facilitating a better understanding of dynamic processes on the Sun. High-resolution observations often reveal multiple-component…

We have recently developed a narrow band imager (NBI) using an air gap based Fabry-P\'erot (FP) interferometer at the Indian Institute of Astrophysics, Bangalore. Narrow band imaging is achieved by using an FP interferometer working in…

Solar and Stellar Astrophysics · Physics 2016-01-20 Sajal Kumar Dhara , B. Ravindra , Ravinder Kumar Banyal

The back-linked Fabry-Perot interferometer (BLFPI) is an interferometer topology proposed for space gravitational wave antennas with the use of inter-satellite Fabry-Perot interferometers. The BLFPI offers simultaneous and independent…

General Relativity and Quantum Cosmology · Physics 2024-04-03 Ryosuke Sugimoto , Yusuke Okuma , Koji Nagano , Kentaro Komori , Kiwamu Izumi

We present the concept of a new Fabry-Perot instrument called BTFI-2, which is based on the design of another Brazilian instrument for the SOAR Telescope, the Brazilian Tunable Filter Imager (BTFI). BTFI-2 is designed to be mounted on the…

Instrumentation and Methods for Astrophysics · Physics 2018-08-28 Bruno Correa Quint , Brian Chinn , Claudia Mendes de Oliveira , Philippe Amram , Denis Andrade , William Schoenell , Daniel Moser Faes

The upcoming Extremely Large Telescopes (ELTs) are expected to have the collecting area required to detect potential biosignature gases such as molecular oxygen, $\mathrm{O_2}$, in the atmosphere of terrestrial planets around nearby stars.…

Instrumentation and Methods for Astrophysics · Physics 2023-10-18 Surangkhana Rukdee , Sagi Ben-Ami , Mercedes López-Morales , Andrew Szentgyorgyi , David Charbonneau , Juliana García-Mejía , Johannes Buchner

The Gemini Planet Imager (GPI) is a high performance adaptive optics system being designed and built for the Gemini Observatory. GPI is optimized for high contrast imaging, combining precise and accurate wavefront control, diffraction…

The Gemini Planet Imager (GPI) is a high-contrast imaging instrument designed to directly image and characterize exoplanets. GPI is currently undergoing several upgrades to improve performance. In this paper, we discuss the upgrades to the…

The primary challenge of GOLF-NG (Global Oscillations at Low Frequency New Generation) is the detection of the low-frequency solar gravity and acoustic modes, as well as the possibility to measure the high-frequency chromospheric modes. On…

The newly commissioned Gemini Planet Imager (GPI) combines extreme adaptive optics, an advanced coronagraph, precision wavefront control and a lenslet-based integral field spectrograph (IFS) to measure the spectra of young extrasolar giant…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Patrick Ingraham , Jean-Baptiste Ruffio , Marshall D. Perrin , Schuyler G. Wolff , Zachary H. Draper , Jerome Maire , Franck Marchis , Vincent Fesquet

The Gemini Planet Imager (GPI) is an "extreme" adaptive optics coronagraph system that is now on the Gemini South telescope in Chile. This instrument is composed of three different systems that historically have been separate instruments.…

The Gemini Planet Imager (GPI) is an instrument designed to directly image planets and circumstellar disks from 0.9 to 2.5 microns (the $YJHK$ infrared bands) using high contrast adaptive optics with a lenslet-based integral field…

The Gemini Planet Imager (GPI) is a near-infrared instrument that uses Adaptive Optics (AO), a coronagraph, and advanced data processing techniques to achieve very high contrast images of exoplanets. The GPI Exoplanet Survey (GPIES) is a…

Instrumentation and Methods for Astrophysics · Physics 2018-07-20 Melisa Tallis , Vanessa P. Bailey , Bruce Macintosh , Jeffrey K. Chilcote , Lisa A. Poyneer , Jean-Baptiste Ruffio , Thomas L. Hayward , Dmitry Savransky

The Epoch of Reionization Spectrometer (EoR-Spec) is one of the instrument modules to be installed in the Prime-Cam receiver of the Fred Young Submillimeter Telescope (FYST). This six-meter aperture telescope will be built on Cerro…

Ultrahigh-resolution fiber-optic sensing has been demonstrated with a meter-long, high-finesse fiber Fabry-Perot interferometer (FFPI). The main technical challenge of large, environment-induced resonance frequency drift is addressed by…

Instrumentation and Detectors · Physics 2019-08-26 Nabil Md Rakinul Hoque , Lingze Duan