English
Related papers

Related papers: The GLINT nulling interferometer: improving nulls …

200 papers

Gamma-Ray Infrastructure For Fundamental Investigations of Nuclei, GRIFFIN, is a new high-efficiency $\gamma$-ray spectrometer designed for use in decay spectroscopy experiments with low-energy radioactive ion beams provided by TRIUMF's…

Label-free imaging of rapidly moving, sub-diffraction sized structures has important applications in both biology and material science, as it removes the limitations associated with fluorescence tagging. However, unlabeled nanoscale…

Image-based lighting is a widely used technique to reproduce shading under real-world lighting conditions, especially in real-time rendering applications. A particularly challenging scenario involves materials exhibiting a sparkling or…

Graphics · Computer Science 2025-07-04 Tom Kneiphof , Reinhard Klein

We present FLINT (learning-based FLow estimation and temporal INTerpolation), a novel deep learning-based approach to estimate flow fields for 2D+time and 3D+time scientific ensemble data. FLINT can flexibly handle different types of…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Hamid Gadirov , Jos B. T. M. Roerdink , Steffen Frey

GRAVITY is a second generation instrument for the VLT Interferometer, designed to enhance the near-infrared astrometric and spectro-imaging capabilities of VLTI. Combining beams from four telescopes, GRAVITY will provide an astrometric…

A near-infrared (0.85-2.5 microns) camera in use at the Canada-France-Hawaii Telescope and at the 1.6m telescope of the Observatoire du Mont-Megantic is described. The camera is based on a Hawaii-1 1024x1024 HgCdTe array detector. Its main…

Astrophysics · Physics 2015-06-24 C. Marois , R. Doyon , D. Nadeau , R. Racine , M. Riopel , P. Vallee

In the new era of Extremely Large Telescopes (ELTs) currently under construction, challenging requirements drive spectrograph designs towards techniques that efficiently use a facility's light collection power. Operating in the single-mode…

Clio is an adaptive-optics camera mounted on the 6.5 meter MMT optimized for diffraction-limited L' and M-band imaging over a ~15'' field. The instrument was designed from the ground up with a large well-depth, fast readout thermal infrared…

Astrophysics · Physics 2009-11-11 S. Sivanandam , P. M. Hinz , A. N. Heinze , M. Freed , A. H. Breuninger

The development of high-contrast capabilities has long been recognized as one of the top priorities for the VLTI. As of today, the VLTI routinely achieves contrasts of a few 10$^{-3}$ in the near-infrared with PIONIER (H band) and GRAVITY…

We describe the expected scientific capabilities of CHARIS, a high-contrast integral-field spectrograph (IFS) currently under construction for the Subaru telescope. CHARIS is part of a new generation of instruments, enabled by extreme…

We present current status of H$\alpha$ high-contrast imaging observations with Subaru/SCExAO+VAMPIRES. Our adaptive optics correction at optical wavelengths in combination with (double) spectral differential imaging (SDI) and angular…

Instrumentation and Methods for Astrophysics · Physics 2020-10-20 Taichi Uyama , Barnaby Norris , Nemanja Jovanovic , Julien Lozi , Peter Tuthill , Olivier Guyon , Tomoyuki Kudo , Jun Hashimoto , Motohide Tamura , Frantz Martinache

FIRST (Fibered Imager foR a Single Telescope instrument) is a post-AO instrument that enables high contrast imaging and spectroscopy at spatial scales below the diffraction limit. FIRST achieves sensitivity and accuracy by a unique…

Instrumentation and Methods for Astrophysics · Physics 2021-02-15 K. Barjot , E. Huby , S. Vievard , N. Cvetojevic , S. Lacour , G. Martin , V. Deo , V. Lapeyrere , D. Rouan , O. Guyon , J. Lozi , N. Jovanovic , C. Cassagenettes , G. Perrin , F. Marchis , G. Duchêne , T. Kotani

The geosynchronous (GSO) debris environment is continually evolving. Regular monitoring of the region is consequently of great importance, though the trade-off between coverage and sensitivity makes this challenging for the population of…

The sky-averaged brightness temperature of the 21cm line from neutral hydrogen provides a sensitive probe of the thermal state of the intergalactic medium, particularly before and during Cosmic Dawn and the Epoch of Reionisation. This…

We describe the current performance of the Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) instrument on the Subaru telescope on Maunakea, Hawaii and present early science results for SCExAO coupled with the CHARIS integral field…

We present SPLOT, a small scale pilot survey to test the potential of snapshot (single epoch) linear imaging polarimetry as a supplementary tool to traditional transient follow-up. Transients exist in a vast volume of observational…

High Energy Astrophysical Phenomena · Physics 2018-12-05 A. B. Higgins , K. Wiersema , S. Covino , R. L. C. Starling , H. F. Stevance , Ł. Wyrzykowski , S. T. Hodgkin , J. R. Maund , P. T. O'Brien , N. R. Tanvir

We present the design, simulation, and planned fabrication process of a flat high resistivity silicon gradient index (GRIN) lens for millimeter and submillimeter wavelengths with very low absorption losses. The gradient index is created by…

Instrumentation and Methods for Astrophysics · Physics 2019-11-22 Fabien Defrance , Cecile Jung-Kubiak , Sofia Rahiminejad , Theodore Macioce , Jack Sayers , Jake Connors , Simon Radford , Goutam Chattopadhyay , Sunil Golwala

LINC-NIRVANA (LN) is a high resolution, near infrared imager that uses a multiple field-of-view, layer-oriented, multi-conjugate AO system, consisting of four multi-pyramid wavefront sensors (two for each arm of the Large Binocular…

The Energetic X-ray Imaging Survey Telescope (EXIST) is a proposed next generation multi-wavelength survey mission. The primary instrument is a High Energy telescope (HET) that conducts the deepest survey for Gamma-ray Bursts (GRBs),…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 J. Hong , J. E. Grindlay , B. Allen , S. D. Barthelmy , G. K. Skinner , N. Gehrels , the EXIST HET Working Group

We present a new technique of decontaminating Swift UVOT grism spectra for transient objects. We describe the template image requirements and image processing steps necessary to successfully implement the empirical decontamination…

Instrumentation and Methods for Astrophysics · Physics 2016-04-27 Michael T. Smitka , Peter J. Brown , Paul Kuin , Nicholas B. Suntzeff