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The Infrared Astronomical Satellite (IRAS) had a tremendous impact on many areas of modern astrophysics. In particular it revealed the ubiquity of infrared cirrus that are a spectacular manifestation of the interstellar medium complexity…

Astrophysics · Physics 2008-12-18 Marc-Antoine Miville-Deschenes , Guilaine Lagache

Spectral imagers, the classic example being the color camera, are ubiquitous in everyday life. However, most such imagers rely on filter arrays that absorb light outside each spectral channel, yielding ~1/N efficiency for an N-channel…

Optics · Physics 2021-02-03 Jordan A. Goldstein , Dirk R. Englund

We present results of performance modelling for METIS, the Mid-infrared European Extremely Large Telescope (E-ELT) Imager and Spectrograph. Designed by a consortium of NOVA (Netherlands), UK Astronomy Technology Centre (UK), MPIA Heidelberg…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Sarah Kendrew , Laurent Jolissaint , Bernhard Brandl , Rainer Lenzen , Eric Pantin , Alistair Glasse , Joris Blommaert , Lars Venema , Ralf Siebenmorgen , Frank Molster

We present IRIS, a new generic three-dimensional (3D) spectral radiative transfer code that generates synthetic spectra, or images. It can be used as a diagnostic tool for comparison with astrophysical observations or laboratory…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 L. Ibgui , I. Hubeny , T. Lanz , C. Stehlé

Aims: Integral Field Spectroscopy (IFS) is a powerful approach for the study of nearby galaxies since it enables a detailed analysis of their resolved physical properties. Here we present the sample of nearby galaxies selected to exploit…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 E. Marmol-Queralto , S. F. Sanchez , R. A. Marino , D. Mast , K. Viironen , A. Gil de Paz , J. Iglesias-Paramo , F. F. Rosales-Ortega , J. M. Vilchez

Optical photothermal microscopy is a powerful, emerging method that overcomes the diffraction limit in infrared hyperspectral imaging by utilizing a visible probe laser beam to detect local temperature-induced modulation at the visible…

We present an atlas of full-scan spectra from the Short-Wavelength Spectrometer (SWS) aboard the Infrared Space Observatory (ISO) after reprocessing and improving an earlier version published 22 years ago. The SWS spectra cover the…

Solar and Stellar Astrophysics · Physics 2025-10-20 D. R. Mizuno , T. A. Kuchar , Kathleen E. Kraemer , G. C. Sloan , Samantha Greene , Elianna Cohen , Holly Branco

The Infrared Camera (IRC) is one of two focal-plane instruments on the AKARI satellite. It is designed for wide-field deep imaging and low-resolution spectroscopy in the near- to mid-infrared (1.8--26.5um) in the pointed observation mode of…

Reconfigurable intelligent surfaces (RIS) are conventionally implemented as two-dimensional (2D) electromagnetic (EM) structures to steer incident waves toward desired reflection angles. This approach limits the reflection to a single…

Systems and Control · Electrical Eng. & Systems 2026-02-16 Ruiqi Wang , Yiming Yang , Atif Shamim

We present the wavelength calibration for the lenslet-based Integral Field Spectrograph (IFS) that serves as the science instrument for the Gemini Planet Imager (GPI). The GPI IFS features a 2.7" x 2.7" field of view and a 190 x 190 lenslet…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Schuyler G. Wolff , Marshall D. Perrin , Jérôme Maire , Patrick J. Ingraham , Fredrik T. Rantakyrö , Pascale Hibon , with the GPI team

METIS will be among the first generation of scientific instruments on the E-ELT. Focusing on highest angular resolution and high spectral resolution, METIS will provide diffraction limited imaging and coronagraphy from 3-14um over an…

The Gemini Multiobject Spectrograph (GMOS) installed on the Gemini-North telescope has a facility for integral field spectroscopy over the wavelength range 0.4-1.0um. GMOS is converted to this mode by the remote insertion of an integral…

We discuss a cryogenic, multi-object near-infrared spectrometer as a second generation instrument for the VLT. The spectrometer combines 20 to 40 independent integral eld units (IFUs), which can be positioned by a cryogenic robot over the…

Astrophysics · Physics 2009-11-07 R. Genzel , R. Hofmann , D. Tomono , N. Thatte , F. Eisenhauer , M. Lehnert , M. Tecza , R. Bender

The Interface Region Imaging Spectrograph (IRIS) has been obtaining near- and far-ultraviolet images and spectra of the solar atmosphere since July 2013. The unique combination of near and far-ultraviolet spectra and images at subarcsecond…

Controlling thermal emission is essential for various infrared spectroscopy applications. Metasurfaces can be utilized to control multiple degrees of freedom of thermal emission, enabling the compact thermal emission materials and devices.…

Optics · Physics 2023-11-14 Qiongqiong Chu , Fengyuan Zhang , Ye Zhang , Shining Zhu , Hui Liu

In February, 1997, the second Space Shuttle servicing mission to the Hubble Observatory will install the Space Telescope Imaging Spectrograph (STIS). This new instrument will greatly enhance the spectroscopic capabilities of the Hubble…

Astrophysics · Physics 2007-05-23 Michael D. Gregg , Dante Minniti

Besides improving communication performance, intelligent reflecting surfaces (IRSs) are also promising enablers for achieving larger sensing coverage and enhanced sensing quality. Nevertheless, in the absence of a direct path between the…

Information Theory · Computer Science 2022-11-08 Kaitao Meng , Qingqing Wu , Robert Schober , Wen Chen