Results 91 to 100 of about 129,409 (281)

Characterization and Testing of a Micro-g Whispering Gallery Mode Optomechanical Accelerometer [PDF]

open access: yesJournal of Lightwave Technology, 2018
Navigation, biotracking devices, and gravity gradiometry are among the diverse range of applications requiring ultrasensitive measurements of acceleration.
Y. Li, P. Barker
semanticscholar   +1 more source

Fluorescence Label‐Free Doxorubicin Sensor Using Polystyrene Sulfonate as a Synthetic Receptor in Whispering Gallery Mode Microresonators

open access: yesAdvanced Sensor Research, EarlyView.
The illustration showcases resonant optical microsensors for Doxorubicin (DXR) detection, using polystyrene sulfonate (PSS) as a synthetic receptor. PSS is deposited as a nanometer‐thick layer on fluorescent microparticles via layer‐by‐layer assembly. DXR‐PSS interaction is depicted, highlighting its effect on the sensor's resonant modes.
Elena Maurina   +4 more
wiley   +1 more source

POSSIBILITY FOR FREQUENCY STABILIZATION OF MILLIMETER WAVELENGTH SOLID-STATE SOURCE BY A SCREENED DIELECTRIC RESONATOR [PDF]

open access: yesRadio Physics and Radio Astronomy, 2016
Purpose: Showing the possibility in principle of the use of a screened dielectric resonator excited by the planar waveguide to stabilize the frequency of solid-state sources in the millimeter wavelength range.
A. E. Kogut   +4 more
doaj   +1 more source

Multifunctional Infrared Polarizer Based on Aligned Growth of High‐Density Boron Nitride Nanotubes

open access: yesAdvanced Science, EarlyView.
This paper presents a novel method for the high‐density, aligned growth synthesis and purification of boron nitride nanotubes (BNNTs). The polarization sensitivity and linear dichroism characteristics of BNNTs in the near‐infrared and mid‐infrared bands are comprehensively verified.
Ningqiang Shi   +9 more
wiley   +1 more source

Static and Dynamic Spectroscopy of (Al,Ga)As/GaAs Microdisk Lasers with Interface Fluctuation Quantum Dots

open access: yes, 2005
We have studied the steady state and dynamic optical properties of semiconductor microdisk lasers whose active region contains interface fluctuation quantum dots in GaAs/(Ga,Al)As quantum wells.
C. H. Henry   +6 more
core   +1 more source

Multi‐Module Micro/Nanorobots for Biomedical and Environmental Remediation Applications

open access: yesAdvanced Intelligent Systems, EarlyView.
Multi‐module microrobots (MNRs) have overcome the limitations of single‐module systems by integrating components such as propeller, actuator, manipulator, and imaging modalities. They show promise in biomedical applications, such as targeted drug delivery and tissue repair, as well as in environmental remediation, including pollutant removal.
Bairong Zhu   +4 more
wiley   +1 more source

Fiber-coupled erbium microlasers on a chip [PDF]

open access: yes, 2003
An erbium-doped, toroid-shaped microlaser fabricated on a silicon chip is described and characterized. Erbium-doped sol-gel films are applied to the surface of a silica toroidal microresonator to create the microcavity lasers.
Armani, D. K., Vahala, K. J., Yang, Lan
core   +1 more source

Excitation of Whispering Gallery Magnons in a Magnetic Vortex. [PDF]

open access: yesPhysical Review Letters, 2018
We present the generation of whispering gallery magnons with unprecedented high wave vectors via nonlinear 3-magnon scattering in a μm-sized magnetic Ni_{81}Fe_{19} disc which is in the vortex state.
K. Schultheiss   +17 more
semanticscholar   +1 more source

Focused Xe‐Ion Plasma Beam Milling of Coumarin‐153 Single Crystals Into Photonic Cavities–Experimental and Theoretical Investigations

open access: yesAdvanced Physics Research, EarlyView.
The geometrical shaping of coumarin‐153 single crystals into next‐generation disc and ring resonators using Xe‐plasma FIB milling is demonstrated. Optimized beam parameters (30 kV, 100 pA/50 pA) enabled precise fabrication. This approach minimizes structural damage while ensuring high‐quality photonic traits.
Melchi Chosenyah   +5 more
wiley   +1 more source

Tests of Sapphire Crystals Produced with Different Growth Processes for Ultra-stable Microwave Oscillators

open access: yes, 2015
We present the characterization of 8-12 GHz whispering gallery mode resonators machined in high-quality sapphire crystals elaborated with different growth techniques.
Dubois, Benoit   +3 more
core   +3 more sources

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