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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

SPIRou is a near-infrared spectropolarimeter and high precision radial velocity instrument, to be implemented at CFHT in end 2017. It focuses on the search for Earth-like planets around M dwarfs and on the study of stellar and planetary…

Instrumentation and Methods for Astrophysics · Physics 2016-12-21 I. Boisse , S. Perruchot , F. Bouchy , F. Dolon , F. Moreau , R. Sottile , F. Wildi

The near infrared (NIR) region of the electromagnetic spectrum contains valuable information about vibrational overtone and combination modes. Additionally, fluorophores that emit in the NIR are desired because this spectral range falls…

Structured illumination can reject out-of-focus signal from a sample, enabling high-speed and high-contrast imaging over large areas with widefield detection optics. Currently, this optical-sectioning technique is limited by image…

We present a near-infrared cooled grating spectrometer that has been developed at the Arcetri Astrophysical Observatory for the 1.5 m Infrared Telescope at Gornergrat (TIRGO). The spectrometer is equipped with cooled reflective optics and a…

Astrophysics · Physics 2016-08-30 L. Vanzi , M. Sozzi , G. Marcucci , A. Marconi , F. Mannucci , F. Lisi , L. Hunt , E. Giani , S. Gennari , V. Biliotti , C. Baffa

We have developed observation control software for the Immersion GRating INfrared Spectrometer (IGRINS) slit-viewing camera module, which maintains the position of an astronomical target on the spectroscopic slit. It is composed of several…

Instrumentation and Methods for Astrophysics · Physics 2020-03-11 Hye-In Lee , Soojong Pak , Gregory N. Mace , Kyle F. Kaplan , Huynh Anh N. Le , Heeyoung Oh , Chan Park , Sungho Lee

We describe a concept for an imaging spectrograph for a large orbiting observatory such as NASA's proposed Next Generation Space Telescope (NGST) based on an imaging Fourier transform spectrograph (IFTS). An IFTS has several important…

Astrophysics · Physics 2009-10-30 James R. Graham , Mark Abrams , C. Bennett , J. Carr , K. Cook , A. Dey , J. Najita , E. Wishnow

Millimetre-wave observations represent an important tool for Cosmology studies. The Line Intensity Mapping (LIM) technique has been proposed to map in three dimensions the specific intensity due to line (e.g. [CII], CO) emission, for…

Instrumentation and Methods for Astrophysics · Physics 2023-08-29 Usasi Chowdhury , Florence Levy-Bertrand , Martino Calvo , Johannes Goupy , Alessandro Monfardini

We introduce a wide field hyperspectral microscope using the Fourier-transform approach. The interferometer is based on the Translating-Wedge-Based Identical Pulses eNcoding System (TWINS) [Opt. Lett. 37, 3027 (2012)], a common-path…

Instrumentation and Detectors · Physics 2019-09-26 A. Candeo , B. E. Nogueira de Faria , M. Erreni , G. Valentini , A. Bassi , A. M. de Paula , G. Cerullo , C. Manzoni

Mid-infrared spectroscopy, an important and widespread technique for sensing molecules, has encountered barriers stemming from sources either limited in tuning range or excessively bulky for practical field use. We present a compact,…

We present SPIFFI, the integral field spectrometer for the VLT. This instrument allows simultaneous observation of infrared spectra in more than 1000 image points of a two dimensional field. With its set of four gratings and a pixel scale…

Astrophysics · Physics 2015-06-24 F. Eisenhauer , M. Tecza , S. Mengel , N. Thatte , C. Roehrle , K. Bickert , J. Schreiber

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

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…

The InfraRed Imaging Spectrograph (IRIS) is the first-light client instrument for the Narrow Field Infrared Adaptive Optics System (NFIRAOS) on the Thirty Meter Telescope (TMT). Now approaching the end of its final design phase, we provide…

We propose and explore the potential of a method to extract high signal-to-noise (S/N) integrated spectra related to physical and/or morphological regions on a 2-dimensional field using Integral Field Spectroscopy (IFS) observations by…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 F. F. Rosales-Ortega , S. Arribas , L. Colina

Integral field spectroscopy (IFS) has been added as a new observation mode to the Robert Stobie Spectrograph (RSS), the workhorse multi-mode instrument on the Southern African Large Telescope. RSS operates as an imaging spectrograph…

Instrumentation and Methods for Astrophysics · Physics 2026-03-25 Sabyasachi Chattopadhyay , Matthew A. Bershady , Michael P. Smith , Antoine Mahoro , Marsha J. Wolf

Long-baseline interferometry and high-resolution spectroscopy are two examples of areas that have benefited from astrophotonics devices, but the application range is expanding to other subareas and other wavelength ranges. The VLTI has been…

Instrumentation and Methods for Astrophysics · Physics 2025-11-26 Lucas Labadie

Fourier transform infrared nanospectroscopy (nano-FTIR) is a novel, increasingly adopted characterization method that leverages decades of established knowledge in infrared spectroscopy at the nanoscale. It opens up new possibilities in the…

Optics · Physics 2026-05-21 Gergely Nemeth , Ferenc Borondics

Owing to its capacity for unique (bio)-chemical specificity, microscopy withmid-IR illumination holds tremendous promise for a wide range of biomedical and industrial applications. The primary limitation, however, remains detection; with…

The Magellan InfraRed Multi-Object Spectrograph (MIRMOS) is a planned next generation multi-object and integral field spectrograph for the 6.5m Magellan telescopes at Las Campanas Observatory in Chile. MIRMOS will perform R$\sim$3700…

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