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Related papers: High-Q non-invasive Glucose Sensor using Microstri…

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Spins in semiconductor quantum dots are a candidate for cryogenic quantum processors due to their exceptionally long coherence times. One major challenge to scaling quantum dot spin qubits is the dense wiring requirements, making it…

Mesoscale and Nanoscale Physics · Physics 2020-11-18 Nathan Holman , D. Rosenberg , D. Yost , J. L. Yoder , R. Das , William D. Oliver , R. McDermott , M. A. Eriksson

We investigate advanced CMOS-compatible Graphene/Silicon active metasurfaces based on guided-mode resonance filters. The simulated results show a high extinction ratio (>25 dB), narrow linewidth (~1.5 nm @1550 nm), quality factor of Q~1000,…

We have employed single gold layer metal and multilayer Ag/Si3N4/Au plasmonic sensors to monitor changes in the refraction index of glucose/water solutions. Our results show that the sensor can resolve glucose refractive index down to 1%…

Applied Physics · Physics 2020-07-02 Hussein Akafzade , Nader Hozhabri , Suresh C Sharma

We report on a Surface-Plasmon-Resonance (SPR) technique based on Fourier -Transform - Infra - Red (FTIR) spectrometer. In contrast to the conventional surface plasmon technique, operating at a fixed wavelength and a variable angle of…

Soft Condensed Matter · Physics 2013-03-19 V. Lirtsman , M. Golosovsky , D. Davidov

Continuous ambulatory monitoring of peripheral vascular perfusion could enable earlier detection of vascular dysfunction in individuals with diabetes mellitus and more timely management of cardiovascular disease. Clinical imaging modalities…

People with type 1 diabetes (T1D) lack the ability to produce the insulin their bodies need. As a result, they must continually make decisions about how much insulin to self-administer to adequately control their blood glucose levels.…

Machine Learning · Computer Science 2020-09-22 Ian Fox , Joyce Lee , Rodica Pop-Busui , Jenna Wiens

Biosensing based on whispering-gallery mode (WGM) resonators has been continuously studied with great attention due to its excellent sensitivity guaranteeing the label-free detection. However, its practical impact is insignificant to date…

Applied Physics · Physics 2020-01-08 Yeseul Kim , Hansuek Lee

Glycated hemoglobin (HbA1c) is the most important factor in diabetes control. Since HbA1c reflects the average blood glucose level over the preceding three months, it is unaffected by the patient's activity level or diet before the test.…

Medical Physics · Physics 2024-12-05 Mrinmoy Sarker Turja , Tae Ho Kwon , Hyoungkeun Kim , Ki Doo Kim

There has been a recent tremendous interest in label-free detection of biomarkers which is a critical enabler of point-of-need diagnostics. A low-power, small form factor, multiplexed wearable system is proposed for continuous detection of…

Signal Processing · Electrical Eng. & Systems 2021-04-06 Devangsingh Sankhala , Madhavi Pali , Kai-Chun Lin , Badrinath Jagannath , Sriram Muthukumar , Shalini Prasad

Regular monitoring of glycemic status is essential for diabetes management, yet conventional blood-based testing can be burdensome for frequent assessment. The sclera contains superficial microvasculature that may exhibit diabetes related…

Image and Video Processing · Electrical Eng. & Systems 2026-03-16 Muhammad Ahmed Khan , Manqiang Peng , Ding Lin , Saif Ur Rehman Khan

Building upon existing signal processing techniques and open-source software, this paper presents a baseline design for an RF System-on-Chip Frequency Division Multiplexed readout for a spatio-spectral focal plane instrument based on low…

Instrumentation and Methods for Astrophysics · Physics 2023-02-10 Colm Bracken , Eoin Baldwin , Gerhard Ulbricht , Mario de Lucia , Tom Ray

A spilt-ring resonator experiment suitable for senior physics undergraduates is described and demonstrated in detail. The apparatus consists of a conducting hollow cylinder with a narrow slit along its length and can be accurately modelled…

Physics Education · Physics 2018-11-06 J. S. Bobowski

Data are presented on mutual and self-inductance of various inductors used in multilayered superconductor integrated circuits: microstrips and striplines with widths of signal traces from 250 nm to a few micrometers, located on the same…

Superconductivity · Physics 2023-02-03 Sergey K. Tolpygo , Evan B. Golden , Terence J. Weir , Vladimir Bolkhovsky

We describe sensitive magnetometry using lumped-element resonators fabricated from a superconducting thin film of NbTiN. Taking advantage of the large kinetic inductance of the superconductor, we demonstrate a continuous resonance frequency…

Instrumentation and Detectors · Physics 2018-10-26 A. T. Asfaw , E. I. Kleinbaum , T. M. Hazard , A. Gyenis , A. A. Houck , S. A. Lyon

Blood glucose (BG) management is crucial for type-1 diabetes patients resulting in the necessity of reliable artificial pancreas or insulin infusion systems. In recent years, deep learning techniques have been utilized for a more accurate…

Machine Learning · Computer Science 2021-01-19 Md Fazle Rabby , Yazhou Tu , Md Imran Hossen , Insup Le , Anthony S Maida , Xiali Hei

The ability to achieve submillimter isotropic resolution diffusion MR imaging (dMRI) is critically important to study fine-scale brain structures, particularly in the cortex. One of the major challenges in performing submillimeter dMRI is…

Medical Physics · Physics 2020-12-08 Wei-Tang Chang , Khoi Minh Huynh , Pew-Thian Yap , Weili Lin

Limited sensitivity and sensing range are arguably the greatest challenges in microwave sensor design. Recent attempts to improve these properties have relied on metamaterial- (MTM-) inspired open-loop resonators (OLRs) coupled to…

Applied Physics · Physics 2018-10-01 Mohammad Abdolrazzaghi , Mojgan Daneshmand , Ashwin K. Iyer

Optically addressable spin-based quantum sensors enable nanoscale measurements of temperature, magnetic field, pH, and other physical properties of a system. Advancing the sensors beyond proof-of-principle demonstrations in living cells and…

Plasmonic metamaterials support the localized surface plasmon resonance (LSPR), which is sensitive to the change in the dielectric environment and highly desirable for ultrasensitive biochemical sensing. In this work, a novel design of…

Optics · Physics 2017-11-15 Shuyuan Xiao , Tao Wang , Yuebo Liu , Xu Han , Xicheng Yan

Ultra-high-Q optical resonators have facilitated recent advancements in on-chip photonics by effectively harnessing nonlinear phenomena providing useful functionalities. While these breakthroughs, primarily focused on the near-infrared…