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| Open AccessA new gas detection technique through cross-correlation with a complex aperiodic FBG
- Matthew Rahme
- , Peter Tuthill
- & Sergio Leon-Saval
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| Open AccessA new Mach–Zehnder interference temperature measuring sensor based on silica-based chip
- Guoqiang Li
- , Tao Li
- & Yuanjin Zheng
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| Open AccessMulti-scale fractal Fourier Ptychographic microscopy to assess the dose-dependent impact of copper pollution on living diatoms
- Vittorio Bianco
- , Lisa Miccio
- & Pietro Ferraro
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| Open AccessMultimodal fiber probe for simultaneous mid-infrared and Raman spectroscopy
- Alexander Novikov
- , Stanislav Perevoschikov
- & Andrey Bogomolov
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| Open AccessA novel low light object detection method based on the YOLOv5 fusion feature enhancement
- Daxin Peng
- , Wei Ding
- & Tong Zhen
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| Open AccessRefractive index sensor based on fano-magnetic toroidal quadrupole resonance enabled by bound state in the continuum in all-dielectric metasurface
- Javad Maleki
- & Davood Fathi
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| Open AccessQuantum measurement enables single biomarker sensitivity in flow cytometry
- J. Sabines-Chesterking
- , I. A. Burenkov
- & S. V. Polyakov
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| Open AccessStrip-loaded Mach–Zehnder interferometer for absolute refractive index sensing
- Isaac Doughan
- , Kehinde Oyemakinwa
- & Matthieu Roussey
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| Open AccessMultiplexed rectangular dielectric gratings with multiple narrow-band refractive index filtering and sensing
- Aibibula Abudula
- , Paiziliya Maitiaximu
- & Paerhatijiang Tuersun
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| Open AccessPlasmonic slanted slit gratings for efficient through-substrate light-plasmon coupling and sensing
- Fatemeh Fouladi Mahani
- , Luis Angel Mayoral Astorga
- & Pierre Berini
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| Open AccessLong-term continuous monitoring of methane emissions at an oil and gas facility using a multi-open-path laser dispersion spectrometer
- Rutger IJzermans
- , Matthew Jones
- & David Randell
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| Open AccessExcitation of optical tamm state for photonic spin hall enhancement
- Amit Kumar Goyal
- , Divyanshu Divyanshu
- & Yehia Massoud
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| Open AccessHighly efficient and selective integrated directional couplers for multigas sensing applications
- Ajmal Thottoli
- , Gabriele Biagi
- & Marco Grande
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| Open AccessPerformance analysis of heterostructure-based topological nanophotonic sensor
- Amit Kumar Goyal
- , Ajay Kumar
- & Yehia Massoud
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| Open AccessYour smartphone could act as a pulse-oximeter and as a single-lead ECG
- Ahsan Mehmood
- , Asma Sarouji
- & Tareq Y. Al-Naffouri
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| Open AccessDesign and testing of an optical instrument for skin flap monitoring
- Aldo Moreno-Oyervides
- , Luis Díaz-Ojeda
- & Pedro Martín-Mateos
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| Open AccessHighly sensitive label-free biosensor: graphene/CaF2 multilayer for gas, cancer, virus, and diabetes detection with enhanced quality factor and figure of merit
- Behnam Jafari
- , Elnaz Gholizadeh
- & Saeed Golmohammadi
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| Open AccessRapid, high-sensitivity detection of biomolecules using dual-comb biosensing
- Shogo Miyamura
- , Ryo Oe
- & Takeshi Yasui
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| Open AccessMonitoring the abundance of flying insects and atmospheric conditions during a 9-month campaign using an entomological optical sensor
- Topu Saha
- , Adrien P. Genoud
- & Benjamin P. Thomas
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| Open AccessEnhanced spectroelectrochemistry with lossy-mode resonance optical fiber sensor
- Monika Janik
- , Katarzyna Lechowicz
- & Mateusz Śmietana
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| Open AccessA novel velocity band energy workflow for fiber-optic DAS interpretation and multiphase flow characterization
- Gerald. K. Ekechukwu
- , Jyotsna Sharma
- & Michael J. William
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| Open AccessPilot-scale testing of natural gas pipeline monitoring based on phase-OTDR and enhanced scatter optical fiber cable
- Nageswara Lalam
- , Paul Westbrook
- & Ruishu Wright
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| Open AccessA single-mode tunable plasmonic sensor based on an 8-shaped resonator for cancer cell detection
- Mohammad Danaie
- , Leila Hajshahvaladi
- & Elham Ghaderpanah
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| Open AccessFs laser written volume Raman–Nath grating for integrated spectrometer on smartphone
- Jean-Sébastien Boisvert
- , Sébastien Loranger
- & Raman Kashyap
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| Open AccessStability, optimum ultrasonication, and thermal and electrical conductivity estimation in low concentrations of Al12Mg17 nanofluid by dynamic light scattering and beam displacement method
- Soroush Javadipour
- , Ali Shokuhfar
- & S. M. Mahdi Khamoushi
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| Open AccessBroadband inhomogeneous lens with conical radiation pattern
- Mohammad Mahdi Taskhiri
- & Saeed Fakhte
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| Open AccessSilicon-based mid infrared on-chip gas sensor using Fano resonance of coupled plasmonic microcavities
- Sherif M. Sherif
- & Mohamed A. Swillam
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| Open AccessAn extendable optical fibre probe survey meter for naturally occurring radioactive material (NORM) and other weak emitters
- H. T. Zubair
- , D. A. Bradley
- & H. A. Abdul-Rashid
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| Open AccessAdaptive constraints by morphological operations for single-shot digital holography
- Danlin Xu
- , Zhengzhong Huang
- & Liangcai Cao
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| Open AccessAnomalous excess noise behavior in thick Al0.85Ga0.15As0.56Sb0.44 avalanche photodiodes
- Harry I. J. Lewis
- , Xiao Jin
- & John P. R. David
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| Open AccessNanophotonic resonator assisted photonic spin Hall enhancement for sensing application
- Amit Kumar Goyal
- , Divyanshu Divyanshu
- & Yehia Massoud
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| Open AccessCompact high-resolution FBG strain interrogator based on laser-written 3D scattering structure in flat optical fiber
- Przemyslaw Falak
- , Timothy Lee
- & Martynas Beresna
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| Open AccessPortable, high speed blood flow measurements enabled by long wavelength, interferometric diffuse correlation spectroscopy (LW-iDCS)
- Mitchell B. Robinson
- , Marco Renna
- & Maria Angela Franceschini
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| Open AccessImproved demodulated phase signal resolution for carrier signals with small modulation index by clipping and synchronous sampling for heterodyne interferometers
- M. Yu
- , M. Schewe
- & C. Rembe
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| Open AccessDesign, construction, and validation of an in-situ groundwater trace element analyzer with applications in carbon storage
- Daniel A. Hartzler
- , Chet R. Bhatt
- & Dustin L. McIntyre
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| Open AccessPrecise measurement for line structure light vision sensor with large range
- Wei-wei Sheng
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| Open AccessCharacterization of sensitivity of optical fiber cables to acoustic vibrations
- Petr Dejdar
- , Ondrej Mokry
- & Ondrej Cip
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| Open AccessReal-time quality control of dripping pill’s weight based on laser detection technology
- Xiaoping Wang
- , Hang Chen
- & Haibin Qu
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| Open AccessDual plasmonic modes in the visible light region in rectangular wave-shaped surface relief plasmonic gratings
- Rahmat Hidayat
- , Jalu Setiya Pradana
- & Herman Bahar
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| Open AccessConfocal LiDAR for remote high-resolution imaging of auto-fluorescence in aquatic media
- Joaquim Santos
- , Peter John Rodrigo
- & Christian Pedersen
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| Open AccessGecko-inspired self-adhesive packaging for strain-free temperature sensing based on optical fibre Bragg gratings
- Shuochao Liu
- , Pingyu Zhu
- & Marcelo A. Soto
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| Open AccessThe effects of sun exposure on colorant identification of permanently and semi-permanently dyed hair
- Aidan Holman
- & Dmitry Kurouski
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| Open AccessLow-volume label-free SARS-CoV-2 detection with the microcavity-based optical fiber sensor
- Monika Janik
- , Tomasz Gabler
- & Mateusz Śmietana
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| Open AccessExponentially index modulated nanophotonic resonator for high-performance sensing applications
- Diptimayee Dash
- , Jasmine Saini
- & Yehia Massoud
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| Open AccessOptical hydrogen sensing with high-Q guided-mode resonance of Al2O3/WO3/Pd nanostructure
- Daria P. Kulikova
- , Yevgeniy M. Sgibnev
- & Alexander V. Dorofeenko
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| Open AccessBiometric authentication security enhancement under quantum dot light-emitting diode display via fingerprint imaging and temperature sensing
- Hanyung Jung
- , Soobin Sim
- & Hyunkoo Lee
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| Open AccessFundamental limits to depth imaging with single-photon detector array sensors
- Stirling Scholes
- , Germán Mora-Martín
- & Jonathan Leach
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| Open AccessComputational version of the correlation light-field camera
- Thomas Gregory
- , Matthew P. Edgar
- & Paul-Antoine Moreau