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We report on our design of a scanning gate microscope housed in a cryogen-free dilution refrigerator with a base temperature of 15 mK. The recent increase in efficiency of pulse tube cryocoolers has made cryogen-free systems popular in…

Instrumentation and Detectors · Physics 2014-09-09 Matthew Pelliccione , Adam Sciambi , John Bartel , Andrew Keller , David Goldhaber-Gordon

We have designed low noise temperature sensing and control units with the objective of using them for the fabrication of far infrared active cavity radiometers. The sensing unit, first characterized at 300K using industrial platinium…

Instrumentation and Detectors · Physics 2016-09-08 B. Guillet , D. Robbes , L. Mechin

We present here CAFE, the Calar Alto Fiber-fed Echelle spectrograph, a new instrument built at the Centro Astronomico Hispano Alem\'an (CAHA). CAFE is a single fiber, high-resolution ($R\sim$70000) spectrograph, covering the wavelength…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 J. Aceituno , S. F. Sanchez , F. Grupp , J. Lillo , M. Hernan-Obispo , D. Benitez , L. M. Montoya , U. Thiele , S. Pedraz , D. Barrado , S. Dreizler , J. Bean

We report a compact single-cell source of a continuous cold-atom beam with three-dimensional (3D) cooling. By integrating an off-axis moving optical molasses (OM) with a two-dimensional magneto-optical trap (MOT), we achieve simultaneous 3D…

Atomic Physics · Physics 2026-04-17 Sheng-Zhe Wang , Qian-Lan Cai , Zhi-Xin Meng , Yi-Cheng Deng , Yan-Ying Feng

The relatively unexplored fast radio transient parameter space is known to be home to a variety of interesting sources, including pulsars, pulsar giant pulses and non-thermal emission from planetary magnetospheres. In addition, a variety of…

During the past decade, a year-round observatory has been established at the geographic South Pole by the Center for Astrophysical Research in Antarctica (CARA). CARA has fielded several millimeter- and submillimeter-wave instruments:…

Astrophysics · Physics 2010-12-13 Antony A. Stark

The baryons inside high-redshift halos with virial temperatures above T=10^4 K cool radiatively as they condense inside dark matter potential wells. We show that the release of the gravitational binding energy, over the halo assembly…

Astrophysics · Physics 2009-10-31 Zoltan Haiman , Marco Spaans , Eliot Quataert

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) was completed with its main structure installed on September 25, 2016, after which it entered the commissioning phase. This paper aims to introduce the commissioning progress…

Instrumentation and Methods for Astrophysics · Physics 2019-03-18 Peng Jiang , Youling Yue , Hengqian Gan , Rui Yao , Hui Li , Gaofeng Pan , Jinghai Sun , Dongjun Yu , Hongfei Liu , Ningyu Tang , Lei Qian , Jiguang Lu , Jun Yan , Bo Peng , Shuxin Zhang , Qiming Wang , Qi Li , Di Li

We present the technical details of a broadband microwave spectrometer for measuring the complex conductance of thin films covering the range from 50 MHz up to 16 GHz in the temperature range 300 mK to 6 K and at applied magnetic fields up…

Instrumentation and Detectors · Physics 2015-06-18 Wei Liu , LiDong Pan , N. P. Armitage

Within a 1.5 year comprehensive fading experiment several batches of LiF:Mg,Ti and LiF:Mg,Cu,P thermoluminescence detectors (TLDs) were studied. The TLDs originated from two manufacturers and were processed by three laboratories using…

Instrumentation and Detectors · Physics 2013-02-20 P. Bilski , T. Berger , M. Hajek , A. Twardak , C. Koerner , G. Reitz

In view of the high luminosity phase of the LHC (HL-LHC) to start operation around 2026, a major upgrade of the tracker system for the ATLAS experiment is in preparation. The expected neutron equivalent fluence of up to 2.4 * 1e16 1 MeV…

Instrumentation and Detectors · Physics 2018-02-14 Julien-Christopher Beyer , Alessandro La Rosa , Anna Macchiolo , Natascha Savic , Reem Taibah

The Los Alamos Neutron Science Center (LANSCE) accelerator at Los Alamos National Laboratory (LANL) has been in service for over 50 years. Efforts to update and modernize crucial systems, many of which are origi-nal, are ongoing. This paper…

Accelerator Physics · Physics 2023-11-10 A. Poudel , J. Medina , J. O'Hara , H. Salazar , J. Montross

The evolution of large aperture antennas and arrays at the sub-THz band (100-300 GHz) results in traditional far-field (FF) gain measurements to require large distances due to the high frequency nature making them impractical in many…

Systems and Control · Electrical Eng. & Systems 2026-04-21 Asad Husein , Kimmo Rasilainen , Juha-Pekka Mäkelä , Veikko Hovinen , Klaus Nevala , Aarno Pärssinen , Marko E. Leinonen

We report on the development of new 3D pixel sensors for the Phase 2 Upgrades at the High-Luminosity LHC (HL-LHC). To cope with the requirements of increased pixel granularity (e.g., 50x50 or 25x100 um2 pixel size) and extreme radiation…

Instrumentation and Detectors · Physics 2016-12-05 Gian-Franco Dalla Betta , Maurizio Boscardin , Roberto Mendicino , Sabina Ronchin , DMS Sultan , Nicola Zorzi

The Simons Observatory (SO) will make precise temperature and polarization measurements of the cosmic microwave background (CMB) using a set of telescopes which will cover angular scales between 1 arcminute and tens of degrees, contain over…

Opto-mechanical oscillators that generate coherent acoustic waves are drawing much interest, in both fundamental research and applications. Narrowband oscillations can be obtained through the introduction of feedback to the acoustic wave.…

Optics · Physics 2018-11-16 H. Hagai Diamandi , Yosef London , Gil Bashan , Arik Bergman , Avi Zadok

Halide perovskites is a family of semiconductor materials demonstrating prospective properties for optical cooling owing to efficient luminescence at room temperature and strong electron-phonon interaction. On the other hand, perovskite…

Applied Physics · Physics 2019-05-31 Pavel Tonkaev , George Zograf , Sergey Makarov

The CCAT Observatory's Fred Young Submillimeter Telescope (FYST) is designed to observe submillimeter astronomical signals with high precision, using receivers fielding state-of-the-art kinetic inductance detector (KID) arrays. Mod-Cam, a…

The Antarctic Submillimeter Telescope and Remote Observatory (AST/RO) is a 1.7-meter diameter offset Gregorian instrument located at the NSF Amundsen-Scott South Pole Station. This site is exceptionally dry and cold, providing opportunities…

The EXperiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM) is a balloon-borne telescope designed to survey star formation over cosmological time scales using intensity mapping in the 420 - 540 GHz frequency range. EXCLAIM uses…

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