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Infrared thermography faces persistent challenges in temperature accuracy due to material emissivity variations, where existing methods often neglect the joint optimization of radiometric calibration and image degradation. This study…

Image and Video Processing · Electrical Eng. & Systems 2025-06-23 Ning Chu , Siya Zheng , Shanqing Zhang , Li Li , Caifang Cai , Ali Mohammad-Djafari , Feng Zhao , Yuanbo Song

Open dielectric resonators of different shapes are widely used for the manufacture of microlasers. A precise determination of their resonance frequencies and widths is crucial for their design. Most microlasers have a flat cylindrical…

Optics · Physics 2009-08-31 S. Bittner , B. Dietz , M. Miski-Oglu , P. Oria Iriarte , A. Richter , F. Schäfer

In recent years microfabricated microwave cavities have been extremely successful in a wide variety of detector applications. In this article we focus this technology on the challenge of quantum-limited displacement detection of a…

Quantum Physics · Physics 2009-09-29 C. A. Regal , J. D. Teufel , K. W. Lehnert

Charge density waves (CDW) have been studied at the surface of a cleaved TTF-TCNQ single crystal using a low temperature scanning tunneling microscope (STM) under ultra high vacuum (UHV) conditions. All CDW phase transitions of TTF-TCNQ…

Strongly Correlated Electrons · Physics 2009-11-07 Zhao Z. Z. Wang , Denis Jerome , Jean Christophe Girard , Claude Pasquier , Klaus Bechgaard

This paper explores the time-modulated waveguide setups for unique and accurate permittivity and permeability extraction of lossy dispersive samples with phase-less measurements. We theoretically demonstrate that when the position of the…

Applied Physics · Physics 2020-05-26 Sepideh Ghasemi , Hamid Rajabalipanah , Majid Tayarani , Ali Abdolali , Mohammad Baharian

Optical low-coherence reflectometry is capable of unambiguously measuring positions of stacked, partially reflective layers in a sample object. It relies on the low coherence of the light source and the absolute distances are obtained from…

Quantum Physics · Physics 2020-04-07 Manuel Unternährer , André Stefanov

The measurement of micron-sized mechanical resonators by electrical techniques is difficult, because of the combination of a high frequency and a small mechanical displacement which together suppress the electromechanical coupling. The only…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Mika A. Sillanpaa , Jayanta Sarkar , Jaakko Sulkko , Juha Muhonen , Pertti J. Hakonen

When an electromagnetic (EM) wave is propagating in a medium whose properties are varied abruptly in time, the wave experiences refractions and reflections known as "time-refractions" and "time-reflections", both manifesting spectral…

Applied Physics · Physics 2023-10-05 Thomas R. Jones , Alexander V. Kildishev , Mordechai Segev , Dimitrios Peroulis

We have developed a circularly polarized dielectric rutile (TiO$_2$) cavity with a high quality-factor that can generate circularly polarized microwaves from two orthogonal linearly polarized microwaves with a phase difference of $\pm…

Strongly Correlated Electrons · Physics 2024-12-13 M. Roppongi , T. Arakawa , Y. Yoshino , K. Ishihara , Y. Kinoshita , M. Tokunaga , Y. Matsuda , K. Hashimoto , T. Shibauchi

We have developed a low temperature, high-resolution microwave surface impedance probe that is able to operate in high static magnetic fields. Surface impedance is measured by cavity perturbation of dielectric resonators, with sufficient…

Superconductivity · Physics 2009-11-11 W. A. Huttema , B. Morgan , P. J. Turner , W. N. Hardy , Xiaoqing Zhou , D. A. Bonn , Ruixing Liang , D. M. Broun

Antenna-coupled suspended single carbon nanotubes exposed to 108 GHz microwave radiation are shown to be selectively heated with respect to their metal contacts. This leads to an increase in the conductance as well as to the development of…

Mesoscale and Nanoscale Physics · Physics 2012-06-05 H. L. Hortensius , A. Ozturk , P. Zeng , E. F. C. Driessen , T. M. Klapwijk

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

This paper develops a channel estimation technique for millimeter wave (mmWave) communication systems. Our method exploits the sparse structure in mmWave channels for low training overhead and accounts for the phase errors in the channel…

Signal Processing · Electrical Eng. & Systems 2023-10-12 Weijia Yi , Nitin Jonathan Myers , Geethu Joseph

The investigations have been conducted on the involved design parameters to analyze the behavior of the microwave displacement sensor output characteristics. To implement this, a dielectric resonator loaded to a reflection mode operated…

Instrumentation and Detectors · Physics 2023-03-01 Premsai Regalla , Praveenkumar A

Manipulating the electromagnetic spectrum at the single-photon level is fundamental for quantum experiments. In the visible and infrared range, this can be accomplished with atomic quantum emitters, and with superconducting qubits such…

Quantum Physics · Physics 2025-05-14 Alexander Anferov , Fanghui Wan , Shannon P. Harvey , Jonathan Simon , David I. Schuster

We have developed a scanning near-field microwave microscope that operates at cryogenic temperatures. Our system uses an open-ended coaxial probe with a 200 mm inner conductor diameter and operates from 77 to 300 K in the 0.01-20 GHz…

Coherent pulse control for quantum memory is viable in the optical domain but nascent in microwave quantum circuits. We show how to realize coherent storage and on-demand pulse retrieval entirely within a superconducting circuit by…

Quantum Physics · Physics 2015-03-20 Patrick M. Leung , Barry C. Sanders

The study of protein functions attributed to the conformation and fluctuation that are ruled by both the amino acid sequence and thermodynamics, requires thermodynamic quantities given by calorimetry using thermometric techniques. The…

Biological Physics · Physics 2019-05-01 Manabu Ishino , Akio Kishigami , Hiroyuki Kudo , Jongsuck Bae , Tatsuo Nozokido

This paper proposes the combination of SAR and microwave reflection tomography for biomedical imaging applications. The proposed method can achieve accuracies of less than 5mm and does not suffer from instability during reconstruction.…

Medical Physics · Physics 2018-05-01 Kevin K. M. Chan , Daniel Oloumi , Pierre Boulanger , Karumudi Rambabu

Here we present the microwave characterization of microstrip resonators made from aluminum and niobium inside a 3D microwave waveguide. In the low temperature, low power limit internal quality factors of up to one million were reached. We…

Superconductivity · Physics 2023-04-06 D. Zoepfl , P. R. Muppalla , C. M. F. Schneider , S. Kasemann , S. Partel , G. Kirchmair
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