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Detecting oriented objects along with estimating their rotation information is one crucial step for analyzing remote sensing images. Despite that many methods proposed recently have achieved remarkable performance, most of them directly…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Yanjie Wang , Xu Zou , Zhijun Zhang , Wenhui Xu , Liqun Chen , Sheng Zhong , Luxin Yan , Guodong Wang

Thermal lensing in resonant optical interferometers such as those used for gravitational wave detection is a concern due to the negative impact on control signals and instrument sensitivity. In this paper we describe a method for monitoring…

We theoretically show that laser recoil heating in free-space levitated optomechanics can be arbitrarily suppressed by shining squeezed light onto an optically trapped nanoparticle. The presence of squeezing modifies the quantum…

We have demonstrated higher-order optical resonance node detection by using an integrated disk microresonator from through port of the coupling bus waveguide. In addition to the fundamental mode, the disk resonator has higher-order…

Optics · Physics 2015-05-30 M. Ostrowski , P. Pignalosa , H. Smith , Yasha Yi

Magnetic resonance in an ensemble of laser-cooled trapped Rb atoms is excited using a micro- cantilever with a magnetic tip. The cantilever is mounted on a multi-layer chip designed to capture, cool, and magnetically transport cold atoms.…

In this work we introduce a new method of a ferromagnetic resonance (FMR) detection from thin, nm-size, films. Our setup is based on the commercial piezo-cantilever, used for atomic force microscopy. It has an option to rotate the sample in…

Strongly Correlated Electrons · Physics 2016-08-24 Alexey Alfonsov , Eiji Ohmichi , Pavel Leksin , Ahmad Omar , Hailong Wang , Sabine Wurmehl , Fengyuan Yang , Hitoshi Ohta

We theoretically analyze the problem of detecting the position of a classical dipolar scatterer in a strongly focused optical field. We suggest an optimal measurement scheme and show that it resolves the scatterer's position in three…

Optics · Physics 2019-10-23 Felix Tebbenjohanns , Martin Frimmer , Lukas Novotny

The main signature for anti-neutrino detection in reactor and geo-neutrino experiments based on scintillators is provided by the space-time coincidence of positron and neutron produced in the Inverse Beta Decay reaction. Such a signature…

Instrumentation and Detectors · Physics 2015-07-02 G. Consolati , D. Franco , C. Jollet , A. Meregaglia , A. Minotti , S. Perasso , A. Tonazzo

Fast and accurate 3D position detection in optical tweezers (OT) is essential for quantitatively monitoring subtle variations in the mechanical properties of microscopic systems ranging from biomolecules to cells and colloids. Because…

All quantum optomechanics experiments to date operate at cryogenic temperatures, imposing severe technical challenges and fundamental constraints. Here we present a novel design of on-chip mechanical resonators which exhibit fundamental…

Mesoscale and Nanoscale Physics · Physics 2016-04-07 Richard A. Norte , Joao P. Moura , Simon Gröblacher

Miniaturized mechanical resonators have proven to be excellent force sensors. However, they usually rely on resonant sensing schemes, and their excellent performance cannot be utilized for the detection of static forces. Here, we report on…

Instrumentation and Detectors · Physics 2018-08-15 Erik Hebestreit , Martin Frimmer , René Reimann , Lukas Novotny

A system for bunch-by-bunch detection of transverse proton and antiproton coherent oscillations in the Fermilab Tevatron collider is described. It is based on the signal from a single beam-position monitor located in a region of the ring…

Accelerator Physics · Physics 2013-12-19 G. Stancari , A. Valishev , S. M. White

We studied the temperature dependence of the light yield of the linear alkyl benzene (LAB)-based and mesitylene-based liquid scintillators. The light yield increases by 23% for both liquid scintillators when the temperature is lowered from…

Instrumentation and Detectors · Physics 2014-02-28 Xia DongMei , Yu BoXiang , Li XiaoBo , Sun XiLei , Ding YaYun , Zhou Li , Cao Jun , Hu Wei , Ye XingCheng , Chen HaiTao , Ding XueFeng , Du Bing

Mechanical properties of biological samples have been imaged with a \textit{Force Feedback Microscope}. Force, force gradient and dissipation are measured simultaneously and quantitatively, merely knowing the AFM cantilever spring constant.…

Biological Physics · Physics 2014-05-01 Luca Costa , Mario S Rodrigues , Emily Newman , Chloe Zubieta , Joel Chevrier , Fabio Comin

If driven sufficiently strongly, superconducting microresonators exhibit nonlinear behavior including response bifurcation. This behavior can arise from a variety of physical mechanisms including heating effects, grain boundaries or weak…

Superconductivity · Physics 2013-05-21 L. J. Swenson , P. K. Day , B. H. Eom , H. G. Leduc , N. Llombart , C. M. McKenney , O. Noroozian , J. Zmuidzinas

Electromagnetic response of dielectric resonators with high refractive index is governed by optically induced electric and magnetic Mie resonances facilitating confinement of light with the amplitude enhancement. However, strong…

We present a detailed modeling and characterization of our scalable microwave nanoprobe, which is a micro-fabricated cantilever-based scanning microwave probe with separated excitation and sensing electrodes. Using finite-element analysis,…

Other Condensed Matter · Physics 2008-09-24 K. Lai , W. Kundhikanjana , M. Kelly , Z. X. Shen

We achieve high detectivity terahertz sensing using a silicon nitride nanomechanical resonator functionalized with a metasurface absorber. High performances are achieved by striking a fine balance between the frequency stability of the…

Microwave kinetic inductance detector (MKID) provides a way to build large ground based sub-mm instruments such as NIKA and A-MKID. For such instruments, therefore, it is important to understand and characterize the response to ensure good…

Instrumentation and Methods for Astrophysics · Physics 2016-02-15 L. Bisigello , S. J. C. Yates , V. Murugesan , J. J. A. Baselmans , A. M. Baryshev

Higher harmonic modes in nanoscale silicon cantilevers and microscale quartz tuning forks are detected and characterized using a custom scanning optical homodyne interferometer. Capable of both mass and force sensing, these resonators…

Other Condensed Matter · Physics 2008-03-16 Gabriel Zeltzer , Jason C. Randel , Amit K. Gupta , Rashid Bashir , Sang-Hun Song , Hari C. Manoharan
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