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Accurate power measurements of electronic components operating at high frequencies are vital in determining where power losses occur in a system such as a power converter. Such power measurements must be carried out with equipment that can…

Instrumentation and Detectors · Physics 2015-09-10 Damien F. Frost , David A. Howey

A flat mounting unit with electronically variable thermal resistance [1] has been presented in the last year [2]. The design was based on a Peltier cell and the appropriate control electronics and software. The device is devoted especially…

General Physics · Physics 2008-01-08 V. Szekely , S. Torok , E. Kollar

We present an Environmental Control System (ECS) designed to achieve milliKelvin (mK) level temperature stability for small-scale astronomical instruments. This ECS is inexpensive and is primarily built from commercially available…

Instrumentation and Methods for Astrophysics · Physics 2017-11-08 David H. Sliski , Cullen H. Blake , Samuel Halverson

The complex time-dependent heat and electromagnetic energy transfer in a new type of cooling system is analyzed. The system consists of a cold body, a Peltier element and an electric circuit containing an inductor with controllable…

Applied Physics · Physics 2020-02-11 Viorel Badescu

Thermal processes are one of the most common systems in the industry, making its understanding a mandatory skill for control engineers. So, multiple efforts are focused on developing low-cost and portable experimental training rigs…

Systems and Control · Electrical Eng. & Systems 2020-07-08 Jairo Viola , Carlos Rodriguez , YangQuan Chen

We developed a new type of AC microcalorimeter based on a modulated-bath technique for measuring the specific heat of small microgram samples in the temperature range from 30-300 K, and tested it in magnetic fields up to 14 T. The device is…

Other Condensed Matter · Physics 2015-06-25 Rolf Lortz , Satoko Abe , Yuxing Wang , Frederic Bouquet , Ulrich Tutsch , Alain Junod

We demonstrate levitation and three-dimensionally stable trapping of a wide variety of particles in a vacuum chamber through the use of the thermophoretic force in the presence of a strong temperature gradient. Typical sizes of the trapped…

Soft Condensed Matter · Physics 2017-01-27 Frankie Fung , Mykhaylo Usatyuk , B. J. DeSalvo , Cheng Chin

Quantum inertial sensors test general relativity, measure fundamental constants, and probe dark matter and dark energy in the laboratory with outstanding accuracy. Their precision relies heavily on carefully choreographed quantum control of…

Atomic Physics · Physics 2025-08-25 Kenneth Nakasone , Paola Luna , Andrei Zhukov , Matthew Tao , Garrett Louie , Cristian D. Panda

We have designed and built a scanning tunneling microscope (STM) setup for operation at millikelvin temperatures in ultra high vacuum. A compact cryostat with an integrated dilution refrigerator has been built, that allows measurements at a…

Instrumentation and Detectors · Physics 2018-12-05 Timofey Balashov , Michael Meyer , Wulf Wulfhekel

Temperature is a hallmark parameter influencing almost all magnetic resonance properties (e.g., T\textsubscript{1}, T\textsubscript{2}, proton density, diffusion and more). In the pre-clinical setting, temperature has a large influence on…

We demonstrate millikelvin thermometry of laser cooled trapped ions with high-resolution imaging. This equilibrium approach is independent of the cooling dynamics and has lower systematic error than Doppler thermometry, with \pm5 mK…

Quantum Physics · Physics 2011-06-10 B. G. Norton , E. W. Streed , M. J. Petrasiunas , A. Jechow , D. Kielpinski

We have used two types of thermometry to study thermal fluctuations in a microcantilever-based system below 1 K. We measured the temperature of a cantilever's macroscopic degree-of-freedom (via the Brownian motion of its lowest flexural…

Other Condensed Matter · Physics 2009-11-13 A. C. Bleszynski Jayich , W. E. Shanks , J. G. E. Harris

Thermoelectric effects allow the generation of electrical power from waste heat and the electrical control of cooling and heating. Remarkably, these effects are also highly sensitive to the asymmetry in the density of states around the…

Mesoscale and Nanoscale Physics · Physics 2016-07-13 I. J. Vera-Marun , J. J. van den Berg , F. K. Dejene , B. J. van Wees

Correlating structure with electronic functionality is central to the engineering of quantum materials and devices whose properties depend sensitively on disorder. Transmission electron microscopy (TEM) offers high spatial resolution…

A new ac calorimeter, utilizing the Peltier effect of a thermocouple junction as an ac power source, is described. This Peltier ac calorimeter allows to measure the absolute value of heat capacity of small solid samples with sub-milligrams…

Strongly Correlated Electrons · Physics 2007-05-23 D. H. Jung , I. K. Moon , Y. H. Jeong

A light-weight "inflatable" tensioned-membrane-structure vacuum container is proposed and its stability is analyzed. The proposed structure consists of a pressurized lobed cylindrical "wall" surrounding a central evacuated space. Stability…

Classical Physics · Physics 2009-10-21 Sean A. Barton

In this work, we report the fabrication of experimental setup for high temperature thermal conductivity ($\kappa$) measurement. It can characterize samples with various dimensions and shapes. Steady state based axial heat flow technique is…

Instrumentation and Detectors · Physics 2017-04-24 Ashutosh Patel , Sudhir K. Pandey

We fabricated a He-3 immersion cell for transport measurements of semiconductor nanostructures at ultra low temperatures and in strong magnetic fields. We have a new scheme of field-independent thermometry based on quartz tuning fork…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 N. Samkharadze , A. Kumar , M. J. Manfra , L. N. Pfeiffer , K. W. West , G. A. Csathy

We develop an ultra-high-temperature vacuum probe station (UHT-VPS) featuring a sample holder heated by thermal radiation from a silicon carbide heater. This contactless configuration electrically isolates the sample from the high-power…

Instrumentation and Detectors · Physics 2025-07-01 Laurent Jalabert , Jose Ordonez-Miranda , Yunhui Wu , Byunggi Kim , Roman Anufriev , Masahiro Nomura , Sebastian Volz

We report the design and performance of a cryogen-free, pulse-tube refrigerator (PTR)-based scanning probe microscopy (SPM) system capable of operating at the base temperature of near 5K. We achieve this by combining a home-made interface…

Materials Science · Physics 2022-04-29 Jun Kasai , Tomoki Koyama , Munenori Yokota , Katsuya Iwaya
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