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We describe the development of automated emission line detection software for the Fiber Multi-Object Spectrograph (FMOS), which is a near-infrared spectrograph fed by $400$ fibers from the $0.2$ deg$^2$ prime focus field of view of the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 Motonari Tonegawa , Tomonori Totani , Fumihide Iwamuro , Masayuki Akiyama , Gavin Dalton , Karl Glazebrook , Kouji Ohta , Hiroyuki Okada , Kiyoto Yabe

High-precision spectrographs play a key role in exoplanet searches using the radial velocity technique. But at the accuracy level of 1 m.s-1, required for super-Earth characterization, stability of fiber-fed spectrograph performance is…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 S. Perruchot , F. Bouchy , B. Chazelas , R. F. Diaz , G. Hébrard , K. Arnaud , L. Arnold , G. Avila , X. Delfosse , I. Boisse , G. Moreaux , F. Pepe. Y. Richaud , A. Santerne , R. Sottile , D. Tezier

We present an experimental set-up developed to perform optical spectroscopy experiments (Raman scattering and photoluminescence measurements) with a micrometer spatial resolution, in an extreme environment of low temperature, high magnetic…

The Gaia-ESO Survey is a large public spectroscopic survey that aims to derive radial velocities and fundamental parameters of about 10^5 Milky Way stars in the field and in clusters. Observations are carried out with the multi-object…

Three-millimeter-wavelength spectra of a number of nearby galaxies have been obtained at the Five College Radio Astronomy Observatory (FCRAO) using a new, very broadband receiver. This instrument, which we call the Redshift Search Receiver,…

When illuminated by a white light source, the discrete resonances of a Fabry-Perot interferometer (FP) provide a broad bandwidth, comb-like spectrum useful for frequency calibration. We report on the design, construction and laboratory…

Instrumentation and Methods for Astrophysics · Physics 2020-05-04 Jeff Jennings , Ryan Terrien , Connor Fredrick , Michael Grisham , Mark Notcutt , Samuel Halverson , Suvrath Mahadevan , Scott A. Diddams

As part of a study funded by NASA Headquarters, we are developing a Probe-class mission concept called the Cosmic Evolution Through UV Spectroscopy (CETUS). CETUS includes a 1.5-m aperture diameter telescope with a large field-of-view…

We present the characterization and calibration of the Slow-Scan observation mode of the Far-Infrared Surveyor (FIS) onboard the AKARI satellite. The FIS, one of the two focal-plane instruments on AKARI, has four photometric bands between…

SPHERE is an instrument designed and built by a consortium of French, German, Italian, Swiss and Dutch institutes in collaboration with ESO. The project is currently in its Phase B. The main goal of SPHERE is to gain at least one order of…

High-fidelity spectroscopy presents challenges for both observations and in designing instruments. High-resolution and high-accuracy spectra are required for verifying hydrodynamic stellar atmospheres and for resolving intergalactic…

Instrumentation and Methods for Astrophysics · Physics 2015-05-18 Dainis Dravins

We present the result from a comprehensive laboratory and on-sky characterization of the commercial spectrograph system consisting of a PIXIS 1300BX charge-coupled device (CCD) camera and an IsoPlane 320A spectrograph as part of the…

Instrumentation and Methods for Astrophysics · Physics 2026-03-10 Jiwon Jang , Changsu Choi , Ho Seong Hwang , Haeun Chung , Hyeonguk Bahk , Dongkok Kim , Jae-Woo Kim

The novel technique of frequency-offset separated oscillatory fields (FOSOF) has been originally proposed as a modification to Ramsey's method of separated oscillatory fields. It has recently been employed in precision measurements with…

The development of spaceborne coronagraphic technology is of paramount importance to the detection of habitable exoplanets in visible light. In space, coronagraphs are able to bypass the limitations imposed by the atmosphere to reach deeper…

We describe a high-performance, compact optical frequency standard based on a microfabricated Rb vapor cell and a low-noise, external cavity diode laser operating on the Rb two-photon transition at 778 nm. The optical standard achieves an…

A base model of the high-resolution fiber-fed spectrograph is developed. In combination with the SAO 1-meter telescope the spectrograph has the following parameters: spectral resolution R=45000, the number of simultaneous registered orders…

Instrumentation and Methods for Astrophysics · Physics 2014-12-11 V. Panchuk , M. Yushkin , V. Klochkova , Yu. Verich , G. Yakopov

We have created a new autonomous laser-guide-star adaptive-optics (AO) instrument on the 60-inch (1.5-m) telescope at Palomar Observatory called Robo-AO. The instrument enables diffraction-limited resolution observing in the visible and…

Instrumentation and Methods for Astrophysics · Physics 2012-10-03 C. Baranec , R. Riddle , A. N. Ramaprakash , N. Law , S. Tendulkar , S. Kulkarni , R. Dekany , K. Bui , J. Davis , M. Burse , H. Das , S. Hildebrandt , S. Punnadi , R. Smith

We demonstrate a new approach to classical fiber-fed spectroscopy. Our method is to use a photonic lantern that converts an arbitrary (e.g. incoherent) input beam into N diffraction-limited outputs. For the highest throughput, the number of…

Instrumentation and Methods for Astrophysics · Physics 2013-10-28 Christopher H. Betters , Sergio G. Leon-Saval , J. Gordon Robertson , Joss Bland-Hawthorn

Recent massive sky surveys in different bandwidths are providing new opportunities to modern astronomy. The Virtual Observatory (VO) represents the adequate framework to handle the huge amount of information available and filter out data…

Solar and Stellar Astrophysics · Physics 2016-03-01 Esther Pérez-Fernández , Ana Ulla , Enrique Solano , Raquel Oreiro , Carlos Rodrigo

The Calar Alto Fiber-fed \'Echelle spectrograph (CAFE) is a high-resolution spectrographs with high-precision radial velocity capabilities mounted in the 2.2m telescope of Calar Alto Observatory. It suffered from strong degradation after 4…

The polarization and orbital angular momentum properties of light are of great importance in optical science and technology in the fields of high precision optical measurements and high capacity and high speed optical communications. Here…

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