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We demonstrate a high data-rate light-pulse atom interferometer for measuring acceleration. The device is optimized to operate at rates between 50 Hz to 330 Hz with sensitivities of 0.57 {\mu}g/rtHz to 36.7 {\mu}g/rtHz, respectively. Our…

Quantum Physics · Physics 2012-01-06 Hayden J. McGuinness , Akash V. Rakholia , Grant W. Biedermann

We forecast the ability of future-generation experiments to detect the fine-structure lines of the carbon and oxygen ions, [CII] and [OIII] in intensity mapping (IM) from the Epoch of Reionization ($z \sim 6-8$). Combining the latest…

Astrophysics of Galaxies · Physics 2022-08-03 Hamsa Padmanabhan , Patrick Breysse , Adam Lidz , Eric R. Switzer

This paper describes the OI Exchange Format, a standard for exchanging calibrated data from optical (visible/infrared) stellar interferometers. The standard is based on the Flexible Image Transport System (FITS), and supports storage of the…

Astrophysics · Physics 2009-11-11 T. A. Pauls , J. S. Young , W. D. Cotton , J. D. Monnier

Intensity interferometry exploits a quantum optical effect in order to measure objects with extremely small angular scales. The first experiment to use this technique was the Narrabri intensity interferometer, which was successfully used in…

Astrophysics · Physics 2009-06-23 W. J. de Wit , S. Le Bohec , J. A. Hinton , R. , J. White , M. K. Daniel , J. Holder

Operating atom-interferometer gyroscopes outside a laboratory environment is challenging primarily owing to the instability of laser systems. To enhance the thermal stability of free-space laser systems, a compact laser system using fiber…

Infrared space interferometers can surpass the spatial resolution limitations of single-dish space telescopes. However, stellar interferometers from space have not been realized because of technical difficulties. Two beams coming from…

Instrumentation and Methods for Astrophysics · Physics 2022-01-20 Taro Matsuo , Satoshi Ikari , Hirotaka Kondo , Sho Ishiwata , Shinichi Nakasuka , Tomoyasu Yamamuro

The demonstration of efficient single-mode fiber (SMF) coupling is a key requirement for the development of a compact, ultra-precise radial velocity (RV) spectrograph. iLocater is a next generation instrument for the Large Binocular…

Intensity interferometry permits very long optical baselines and the observation of sub-milliarcsecond structures. Using planned kilometric arrays of air Cherenkov telescopes at short wavelengths, intensity interferometry may increase the…

Instrumentation and Methods for Astrophysics · Physics 2015-03-17 Dainis Dravins , Hannes Jensen , Stephan LeBohec , Paul D. Nuñez

Phase shifting interferometric (PSI) techniques are among the most sensitive phase measurement methods. Owing to its high sensitivity, any minute phase change caused due to environmental instability results into, inaccurate phase…

HERMES-TP/SP (High Energy Rapid Modular Ensemble of Satellites Technologic and Scientific Pathfinder) is a constellation of six 3U nano-satellites hosting simple but innovative X-ray detectors, characterized by a large energy band and…

We report on the VERITAS observations of the high-frequency peaked BL Lac object 1ES 1959+650 in the period 2007-2011. This source is detected at TeV energies by VERITAS at 16.4 standard deviation (sigma) significance in 7.6 hours of…

The IAG solar observatory is producing high-fidelity, ultra-high-resolution spectra (R>500000) of the spatially resolved surface of the Sun using a Fourier Transform spectrometer (FTS). The radial velocity (RV) calibration of these spectra…

Instrumentation and Methods for Astrophysics · Physics 2023-11-16 Michael Debus , Sebastian Schäfer , Ansgar Reiners

We discuss the design, construction, and operation of a new intensity interferometer, based on the campus of Southern Connecticut State University in New Haven, Connecticut. While this paper will focus on observations taken with an original…

Instrumentation and Methods for Astrophysics · Physics 2022-02-02 Elliott P. Horch , Samuel A. Weiss , Paul M. Klaucke , Richard A. Pellegrino , Justin D. Rupert

The Fermilab Booster uses multi-turn beam injection with all its cavities phased such that beam sees a net zero RF voltage even when each station is at the same maxi-mum voltage. During beam capture the RF voltage is increased slowly by…

SPIFFI is the near-infrared integral-field spectrometer for the VLT. Assisted by the SINFONI adaptive optics module, the instrument will be offered to the astronomical community in 2004. We outline the scientific rationale for infrared…

Astrophysics · Physics 2009-11-07 F. Eisenhauer , P. van der Werf , N. Thatte , T. de Zeeuw , M. Tecza , M. Franx , C. Iserlohe

We present a tabletop six-axis vibration isolation system, compatible with Ultra-High Vacuum (UHV), which is actively damped and provides 25 dB of isolation at 10 Hz and 65 dB at 100 Hz. While this isolation platform has been primarily…

We have investigated the depletion voltage changes, the leakage current increase and the charge collection efficiency of a silicon microstrip detector identical to those used in the inner layers of the BaBar Silicon Vertex Tracker (SVT)…

Instrumentation and Detectors · Physics 2009-11-10 S. Bettarini , M. Bondioli , L. Bosisio , G. Calderini , C. Campagnari , S. Dittongo , F. Forti , M. A. Giorgi , G. Marchiori , G. Rizzo

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

Since a number of years our group is engaged in the design, construction and operation of instruments with very high time resolution in the optical band for applications to Quantum Astronomy and more conventional Astrophysics. Two…

Instrumentation and Methods for Astrophysics · Physics 2016-09-06 L. Zampieri , G. Naletto , C. Barbieri , M. Barbieri , E. Verroi , G. Umbriaco , P. Favazza , L. Lessio , G. Farisato

We are developing the super broad band interferometer by applying the Fourier Transform Spectrometer(FTS) to aperture synthesis system in mm and sub-mm bands. We have constructed a compact system based on the Martin and Puplett type Fourier…

Astrophysics · Physics 2009-11-10 Izumi S. Ohta , Makoto Hattori , Hiroshi Matsuo