Results 111 to 120 of about 378,310 (219)

Intelligent Continuum Micromachines in Complex Confined Spaces

open access: yesSmartBot, EarlyView.
The cover depicts a conceptual design for an intelligent continuum micromachine entering a target capsule used in fusion‐energy research through its slender gas‐fill tube. By combining route‐adaptive deformation, embedded sensing, and a functional end effector, the robot could inspect hidden defects, assess local conditions, and support localized ...
Huayang Sai   +7 more
wiley   +1 more source

Research Progress on Thermal Runaway and Thermal Management of Lithium‐Ion Batteries

open access: yesSafety Science and Technology, EarlyView.
This review summarizes thermal runaway mechanisms, propagation pathways, mitigation strategies, and intelligent thermal management technologies for lithium‐ion batteries, highlighting the transition from passive heat dissipation to integrated safety regulation through advanced cooling, barrier materials, sensing, machine learning, and digital‐twin ...
Songrong Li   +4 more
wiley   +1 more source

Effects of high temperature and pressure on silica optical fibre sensors

open access: yes, 1998
We report on the effects of liquids at high temperature and pressure on silica optical fibres, sensors and gratings. We propose that the diffusion of molecules into the silica and the resultant expansion of the network are responsible for observed fibre ...
Clowes, J.R.   +3 more
core   +1 more source

A Dual‐Frequency Sensitivity Model for Optical Fibre Ultrasonic Sensors in Power Transformer Partial Discharge Detection

open access: yesHigh Voltage, EarlyView.
ABSTRACT The detection of partial discharges (PD) on the power transformer tank demands higher sensitivity in ultrasonic detection. To target the detection frequency band for sensor optimisation and enhance sensitivity, this paper presents a dual‐frequency sensitivity model for optical fibre ultrasonic sensors.
Sihan Wang   +4 more
wiley   +1 more source

Rack‐Integrated Quantum Dot‐Based Source of Single and Entangled Photons at Telecom C‐Band

open access: yesNanophotonics, Volume 15, Issue 21, 12 November 2026.
A portable, rack‐integrated quantum dot‐based single and entangled photon source enables stable long‐term operation and remote control at deployed locations. An optimised optical setup provides record coincidence rates of high‐fidelity entangled‐photon pairs generated in the telecom C‐band.
Michal Vyvlecka   +10 more
wiley   +1 more source

Optical‐Field Engineering and Instrumentation in Brillouin Microscopy

open access: yesAdvanced Photonics Research, Volume 7, Issue 11, November 2026.
Brillouin microscopy provides label‐free mechanical contrast through gigahertz light–acoustic interactions. This Review examines how optical‐field engineering and instrument architecture shape spectral precision, acquisition throughput, background rejection, spatial performance, and optical exposure.
Kangwen Tong   +5 more
wiley   +1 more source

Application of Gabor, Log-Gabor, and Adaptive Gabor Filters in Determining the Cut-Off Wavelength Shift of TFBG Sensors

open access: yesApplied Sciences
Tilted fibre Bragg gratings are optical fibre structures used as sensors of various physical quantities. Their unique measurement capabilities result from the high complexity of the optical spectrum consisting of several dozen cladding mode resonances ...
Sławomir Cięszczyk
doaj   +1 more source

Parallel Multi‐Target Detection for Quantum LiDAR

open access: yesLaser &Photonics Reviews, Volume 20, Issue 21, 6 November 2026.
Parallel multi‐target detection is achieved in quantum LiDAR with a single‐pixel quantum readout. Direction and distance information are extracted together, allowing multiple objects to be distinguished under noisy low‐light conditions and pointing to a new strategy for scan‐free quantum remote sensing.
Junyeop Kim   +4 more
wiley   +1 more source

Dispersion compensating fibre Bragg gratings [PDF]

open access: yes, 1998
Broadband Chirped fibre gratings allow the upgrade of the existing non-dispersion shifted fibre network to high data rate operation within the 1.55µm low-loss window.
Laming, R.I.   +7 more
openaire  

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