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Mid-infrared spectroscopy is one of the few ways to observe the composition of the terrestial planet forming zone, the inner few au, of proto-planetary disks. The species currently detected in the disk atmosphere, for example CO, CO2, H2O…

地球与行星天体物理 · 物理学 2022-05-25 Arthur D. Bosman , Edwin A. Bergin , Jenny Calahan , Sara E. Duval

Quantum computers are close to become a practical technology. Solid-state implementations based, for example, on superconducting devices strongly rely on the quality of the constituent materials. In this work, we fabricate and characterize…

应用物理 · 物理学 2021-12-08 M. S. Moeed , C. T. Earnest , J. H. Béjanin , A. S. Sharafeldin , M. Mariantoni

Habitable planets are often defined as terrestrial worlds capable of maintaining surface liquid water. As a result, atmospheric water vapor can be a critical indicator of habitability. Thus, habitability-themed exoplanet investigations…

地球与行星天体物理 · 物理学 2019-12-06 Anna Sage Ross , Tyler D. Robinson

Matter-wave interferometry with solids is highly susceptible to minute fluctuations of environmental fields, including gravitational effects from distant sources. Hence, experiments require a degree of shielding that is extraordinarily…

量子物理 · 物理学 2022-08-23 Julen S. Pedernales , Martin B. Plenio

We use an instrument combining optical (surface plasmon resonance) and acoustic (Love mode acoustic wave device) real-time measurements on a same surface for the identification of water content in collagen and fibrinogen protein layers.…

生物物理 · 物理学 2016-03-22 Jean-Michel Friedt , Laurent Francis

Time resolved electron density measurements in pulsed RF discharges are shown using a hairpin resonance probe using low cost electronics, on par with normal Langmuir probe boxcar mode operation. Time resolution of less than one microsecond…

等离子体物理 · 物理学 2017-02-09 David Peterson , David Coumou , Lynda Larson , Steven Shannon

A spectral decomposition method has been implemented to identify and quantify isotopic source terms in high-resolution gamma-ray spectroscopy in static geometry and shielding scenarios. Monte-Carlo simulations were used to build the…

仪器与探测器 · 物理学 2022-06-29 J. T. Matta , A. J. Rowe , M. P. Dion , M. J. Willis , A. D. Nicholson , D. E. Archer , H. H. Wightman

We present a high-resolution microwave spectrometer to measure the frequency-dependent complex conductivity of a superconducting thin film near the critical temperature. The instrument is based on a broadband measurement of the complex…

超导电性 · 物理学 2009-11-13 H. Kitano , T. Ohashi , A. Maeda

The widespread distribution of microplastics (MPs) in the environment presents significant challenges for their detection and identification. Fluorescence imaging has emerged as a promising technique for enhancing plastic particle…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Derek Ho , Haotian Feng

Commercially available low-cost particulate matter (PM) sensors provide output as total or size-specific particle counts and mass concentrations. These quantities are not measured directly but are estimated by the original equipment…

仪器与探测器 · 物理学 2022-01-19 Ching-Hsuan Huang , Jiayang He , Elena Austin , Edmund Seto , Igor Novosselov

An innovative millimeter wave diagnostic is proposed to measure the local magnetic field and edge current as a function of the minor radius in the tokamak pedestal region. The idea is to identify the direction of minimum reflectivity at the…

等离子体物理 · 物理学 2016-09-21 O. Meneghini , F. A. Volpe

Levels of trace radiopurity in active detector materials is a subject of major concern in low-background experiments. Among the radio-isotopes, $\k40$ is one of the most abundant and yet whose signatures are difficult to reject. Procedures…

核实验 · 物理学 2008-11-26 K. J. Dong

Upcoming space-based coronagraphic instruments in the next decade will perform reflected light spectroscopy and photometry of cool, directly imaged extrasolar giant planets. We are developing a new atmospheric retrieval methodology to help…

天体物理仪器与方法 · 物理学 2016-12-14 Roxana E. Lupu , Mark S. Marley , Nikole Lewis , Michael Line , Wesley A. Traub , Kevin Zahnle

Multipath effects significantly influence the quality of microwave imaging in highly reflective environments, while the physical measurement aperture size constrains resolution. It is shown that by exploiting multipath reflections, improved…

图像与视频处理 · 电气工程与系统科学 2026-05-06 Quanfeng Wang , Mei Song Tong , Thomas F. Eibert

The performance of superconducting circuits for quantum computing is limited by materials losses. In particular, coherence times are typically bounded by two-level system (TLS) losses at single photon powers and millikelvin temperatures.…

The resolution of photoacoustic imaging deep inside scattering media is limited by the acoustic diffraction limit. In this work, taking inspiration from super-resolution imaging techniques developed to beat the optical diffraction limit, we…

光学 · 物理学 2017-11-15 Sergey Vilov , Bastien Arnal , Emmanuel Bossy

Of the many recently discovered worlds orbiting distant stars, very little is yet known of their chemical composition. With the arrival of new transit spectroscopy and direct imaging facilities, the question of molecular detectability as a…

地球与行星天体物理 · 物理学 2015-06-17 Tessenyi Marcell , Tinetti Giovanna , Savini Giorgio , Pascale Enzo

Two-dimensional (2D) photonic crystals offer strong control over the propagation of light through their bands. Theoretical methods for computing the band structure in 2D are well-established and fast because 2D photonic crystals are…

光学 · 物理学 2026-03-10 Timon J. Vreman , Melissa J. Goodwin , Ad Lagendijk , Willem L. Vos

Hyperspectral Imaging (HSI) combines microscopy and spectroscopy to assess the spatial distribution of spectroscopically active compounds in objects, and has diverse applications in food quality control, pharmaceutical processes, and waste…

图像与视频处理 · 电气工程与系统科学 2023-08-30 Mahdiyeh Ghaffari , Mickey C. J. Lukkien , Nematollah Omidikia , Gerjen H. Tinnevelt , Marcel C. P. van Eijk , Jeroen J. Jansen

Motivated by the development of high-dispersion spectrographs in the mid-infrared (MIR) range, we study their application to the atmospheric characterization of nearby non-transiting temperate terrestrial planets around M-type stars. We…

地球与行星天体物理 · 物理学 2021-03-24 Yuka Fujii , Taro Matsuo