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We explore the strengths and limitations of using a standard Michelson interferometer to sample line-of-sight-averaged temperature in water via two experimental setups: slow-varying temperature in static fluid and fast temperature…

Fluid Dynamics · Physics 2023-11-01 Xinyang Ge , Joanna A. Zielińska , Sergio Maldonado

We present a sensitive, tunable radio-frequency resonator designed to detect reactive changes in nanoelectronic devices down to dilution refrigerator temperatures. The resonator incorporates GaAs varicap diodes to allow electrical tuning of…

Mesoscale and Nanoscale Physics · Physics 2019-03-28 David J. Ibberson , Lisa A. Ibberson , Geoff Smithson , James A. Haigh , Sylvain Barraud , M. Fernando Gonzalez-Zalba

We report on the design, construction, and beam test of a pilot three-dimensional projection detector based on opaque water-based liquid scintillator (oWbLS). The detector consists of an $8 \times 8 \times 16$ cm$^3$ acrylic vessel…

Instrumentation and Detectors · Physics 2026-05-12 H. Che , M. V. Diwan , S. Gokhale , P. Kumar , C. Reyes , R. Rosero , J. J. Wang , G. Yang , M. Yeh

Lab-on-a-chip (LOC) forms the basis of the new-generation portable analytical systems. LOC allows the manipulation of ultralow flows of liquid reagents and multistep reactions on a microfluidic chip, which requires a robust and precise…

Detecting leaks in water networks is a costly challenge. This article introduces a practical solution: the integration of optical network with water networks for efficient leak detection. Our approach uses a fiber-optic cable to measure…

Systems and Control · Electrical Eng. & Systems 2023-07-31 Huan Wu , Huan-Feng Duan , Wallace W. L. Lai , Kun Zhu , Xin Cheng , Hao Yin , Bin Zhou , Chun-Cheung Lai , Chao Lu , Xiaoli Ding

We present an approach to construct position-sensitive silicon detectors with an integrated cooling circuit. Tests on samples demonstrate that a very modest liquid flow very effectively cool the devices up to a power dissipation of over…

Instrumentation and Detectors · Physics 2016-08-03 L. Andricek , M. Boronat , J. Fuster , I. Garcia , P. Gomis , C. Marinas , J. Ninkovic , M. Perello Rosello , M. A. Villarejo , M. Vos

Capacitive devices are customarily used as probes to measure the level of noble liquids in detectors operated for neutrino studies and dark matter searches. In this work we describe the use of a high-temperature superconducting material as…

Instrumentation and Detectors · Physics 2009-02-20 A. Bueno , A. J. Melgarejo , J. L. Navarro , S. Navas , A. G. Ruiz

Microwave (MW) absorption in liquid 4He is investigated in the frequency range of 40-200 GHz at T = 1.4 - 2.5 K. Whispering gallery of waves was generated by a dielectric disc resonator immersed into the liquid. Resonance absorption of MWs…

A liquid isooctane (C$_{8}$H$_{18}$) filled ionization linear array for radiotherapy quality assurance has been designed, built and tested. The detector consists of 128 pixels, each of them with an area of 1.7 mm $\times$ 1.7 mm and a gap…

Medical Physics · Physics 2009-11-10 J. Pardo , L. Franco , F. Gomez , A. Iglesias , A. Pazos , J. Pena , R. Lobato , J. Mosquera , M. Pombar , J. Sendon

A high sensitivity force sensor based on dielectric microspheres in vacuum, optically trapped by a single, upward-propagating laser beam, is described. Off-axis parabolic mirrors are used both to focus the 1064~nm trapping beam and to…

Instrumentation and Detectors · Physics 2020-09-10 Akio Kawasaki , Alexander Fieguth , Nadav Priel , Charles P. Blakemore , Denzal Martin , Giorgio Gratta

On-chip measurement of thermo-optic coefficient (TOC) of samples along with on-chip temperature measurements can be used to compensate for thermal fluctuation induced noise in refractometry using integrated photonic sensors. In this article…

Instrumentation and Detectors · Physics 2017-10-11 Prashanth R Prasad , Shankar K Selvaraja , Manoj Varma

Resistive AC-coupled Silicon Detectors (RSDs) are silicon sensors which provide high temporal and spatial resolution. The RSD is a candidate sensor to be used in future tracking detectors with the objective of obtaining '4D' tracking, where…

A novel microfabricated, all-electrical measurement platform is presented for a direct, accurate and rapid determination of the thermal conductivity and diffusivity of liquid and solid materials. The measurement approach is based on the…

Experiments aimed at quantifying the interface between quantum and classical physics necessarily require a high degree of isolation from the environment: wavefunction collapse and quantum gravity effects at laboratory scales are predicted…

Quantum Physics · Physics 2026-05-12 M. Arrayás , J. L. Trueba , C. Uriarte , J. Clothier , C. C. E. Elmy , R. Schanen , D. E. Zmeev , Š. Midlik

Particle accelerators pushed the limits of our knowledge in search of the answers to most fundamental questions about micro-world and our Universe. In these pursuits, accelerators progressed to higher and higher energies and particle beam…

This paper presents a numerical simulation and experimental results of a one-dimensional thermal inclinometer with the cavity filled of gas and liquid. The sensor principle consists of one heating resistor placed between two detectors. When…

Other Computer Science · Computer Science 2008-12-18 N. Crespy , J. Courteaud , P. Combette , P. Temple Boyer , A. Giani , A. Foucaran

We design, test, and analyze fiber-optic voltage sensors based on optical reflection from a piezoelectric transducer. By controlling the physical dimensions of the device, we can tune the frequency of its natural resonance to achieve a…

Systems and Control · Electrical Eng. & Systems 2021-08-02 Joseph M. Lukens , Nicholas Lagakos , Victor Kaybulkin , Christopher J. Vizas , Daniel J. King

Commercial quartz oscillators of the tuning-fork type with a resonant frequency of ~32 kHz have been investigated in helium liquids. The oscillators are found to have at best Q values in the range 10^5-10^6, when measured in vacuum below…

A highly sensitive refractive index sensor based on grating-assisted strip waveguide directional coupler is proposed. The sensor is designed using two coupled asymmetric strip waveguides with a top-loaded grating structure in one of the…

Applied Physics · Physics 2017-09-27 Parvinder Kaur , M. R. Shenoy

The basic principle of operation of silicon sensors with resistive read-out is built-in charge sharing. Resistive Silicon Detectors (RSD, also known as AC-LGAD), exploiting the signals seen on the electrodes surrounding the impact point,…

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