Qijing Lin
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View article: The fabrication of MEMS alkali metal vapor cells based on ultrafast laser welding for single beam magnetometer
The fabrication of MEMS alkali metal vapor cells based on ultrafast laser welding for single beam magnetometer Open
The development of micro-electro-mechanical system (MEMS) alkali metal vapor cells offers the potential for the batch fabrication of micro-quantum sensors for atomic clocks, atomic magnetometers and atomic gyroscopes. The sealing of MEMS v…
View article: Highly magneto-electric-mechanical coupling effect in self-biased magnetoelectric composite induced by laser thermal annealing
Highly magneto-electric-mechanical coupling effect in self-biased magnetoelectric composite induced by laser thermal annealing Open
View article: Miniaturized silicon-based capacitive six-axis force/torque sensor with large range, high sensitivity, and low crosstalk
Miniaturized silicon-based capacitive six-axis force/torque sensor with large range, high sensitivity, and low crosstalk Open
Miniaturized six-axis force/torque sensors have potential applications in robotic tactile sensing, minimally invasive surgery, and other narrow operating spaces, where currently available commercial sensors cannot meet the requirements bec…
View article: Highly Magneto-electric-mechanical Coupling Effect in Self-biased Magnetoelectric Composite Induced by Laser Thermal Annealing
Highly Magneto-electric-mechanical Coupling Effect in Self-biased Magnetoelectric Composite Induced by Laser Thermal Annealing Open
The development of advanced magnetoelectric (ME) composites necessitates high-performance materials is capable of achieving high levels of ME coupling, minimal magnetic loss, absence or limited reliance on external excitation sources. In t…
View article: Novel miniaturized silicon-based capacitive six-axis force/torque sensor with large range, high sensitivity, and low crosstalk
Novel miniaturized silicon-based capacitive six-axis force/torque sensor with large range, high sensitivity, and low crosstalk Open
Miniaturized six-axis force/torque sensors have potential applications in robotic tactile sensing, minimally invasive surgery, and other narrow operating spaces, where currently available commercial sensors cannot meet the requirements bec…
View article: Fabrication and characterization of high-sensitivity, wide-range, and flexible MEMS thermal flow velocity sensors
Fabrication and characterization of high-sensitivity, wide-range, and flexible MEMS thermal flow velocity sensors Open
View article: High-Precision Continuous FBG Interrogator based on an AWG
High-Precision Continuous FBG Interrogator based on an AWG Open
Although arrayed waveguide gratings (AWGs) are widely used in fibre Bragg grating (FBG) demodulation systems, their applications in real environments have been limited due to their narrow dynamic range and inability to continuously demodul…
View article: An Intensity-Demodulated Fiber-Optic Magnetometer Based on Nanostructured Magnetic Fluid-Filled Fluidic Photonic Crystal Fibers
An Intensity-Demodulated Fiber-Optic Magnetometer Based on Nanostructured Magnetic Fluid-Filled Fluidic Photonic Crystal Fibers Open
An intensity-demodulated fiber-optic magnetometer is proposed and experimentally investigated, which is fabricated via fusion splicing a segment of photonic crystal fiber (PCF) between single-mode fibers (SMFs), with the cladding air holes…
View article: Thermo-optics of gilded hollow-core fibers
Thermo-optics of gilded hollow-core fibers Open
Gilded hollow-core fibers, embedded with gold nanoparticles, offer a unique combination of efficient optical transmission and surface heating, enabling applications in light-driven catalysis and improved laser-ignition in internal combusti…
View article: Microfabricated Vapor Cells with Chemical Polishing and Two-Step Low-Temperature Anodic Bonding for Single-Beam Magnetometer
Microfabricated Vapor Cells with Chemical Polishing and Two-Step Low-Temperature Anodic Bonding for Single-Beam Magnetometer Open
View article: Optical Fiber Sensing-Aided 3D-Printed Replacement Parts for Enhancing the Sensing Ability of Architectural Heritage
Optical Fiber Sensing-Aided 3D-Printed Replacement Parts for Enhancing the Sensing Ability of Architectural Heritage Open
This study discussed the application of optical fibers in addressing the problem of insufficient light harvesting and sensing health monitoring in ancient buildings. Based on three-dimensional (3D) printing technology to fix the light-harv…
View article: 2D-Vector Magnetic Sensing Based on Ring-Shaped Fiber-Optic Structure Coated with Magnetic Fluid
2D-Vector Magnetic Sensing Based on Ring-Shaped Fiber-Optic Structure Coated with Magnetic Fluid Open
In this work, a novel fiber-optic sensor for 2D magnetic sensing is explored based on nanostructured magnetic fluid. The fiber-optic sensor comprises a ring-shaped fiber structure that is coated with magnetic fluid. The unique magneto-opti…
View article: Microfabricated Atomic Vapor Cells with Multi-Optical Channels Based on an Innovative Inner-Sidewall Molding Process
Microfabricated Atomic Vapor Cells with Multi-Optical Channels Based on an Innovative Inner-Sidewall Molding Process Open
Existing microfabricated atomic vapor cells have only one optical channel, which is insufficient for supporting the multiple orthogonal beams required by atomic devices. In this study, we present a novel wafer-level manufacturing process f…
View article: Plasma-activated high-strength non-isothermal anodic bonding for efficient fabrication of the micro atomic vapor cells
Plasma-activated high-strength non-isothermal anodic bonding for efficient fabrication of the micro atomic vapor cells Open
Microfabricated alkali metal vapor cells are the core components for miniaturizing quantum devices, such as atomic clocks, atomic gyroscopes, and atomic magnetometers. Alkali metals are prone to thermal migration at the bonding interface d…
View article: A Flexible Pressure Sensor Based on Graphene/Epoxy Resin Composite Film and Screen Printing Process
A Flexible Pressure Sensor Based on Graphene/Epoxy Resin Composite Film and Screen Printing Process Open
At present, flexible pressure-sensitive materials generally have problems with weak adhesion and poor wear resistance, which easily result in friction failure when used for plantar pressure detection. In this study, a flexible pressure sen…
View article: Design of High-Precision Parallel AWG Demodulation System
Design of High-Precision Parallel AWG Demodulation System Open
Here, we present a high-precision demodulation method that supports the arrayed waveguide grating (AWG) system, which includes a 1 × 8 AWG as the primary filter with a 0.5 nm channel spacing and a 1 × 4 AWG as the auxiliary filter with a 1…
View article: All Fiber Vector Magnetometer Based on Nitrogen-Vacancy Center
All Fiber Vector Magnetometer Based on Nitrogen-Vacancy Center Open
Magnetometers based on nitrogen-vacancy (NV) centers in diamonds have promising applications in fields of living systems biology, condensed matter physics, and industry. This paper proposes a portable and flexible all-fiber NV center vecto…
View article: Numerical Investigation of GaN HEMT Terahertz Detection Model Considering Multiple Scattering Mechanisms
Numerical Investigation of GaN HEMT Terahertz Detection Model Considering Multiple Scattering Mechanisms Open
GaN high-electron-mobility transistor (HEMT) terahertz (THz) detectors have been widely studied and applied in the past few decades. However, there are few reports about the influence of GaN/AlGaN heterostructure material properties on the…
View article: In-situ determination of spin polarization in a single-beam fiber-coupled spin-exchange-relaxation-free atomic magnetometer with differential detection
In-situ determination of spin polarization in a single-beam fiber-coupled spin-exchange-relaxation-free atomic magnetometer with differential detection Open
The electronic spin polarization of alkali-metal-vapor atoms is a pivotal parameter for atomic magnetometers. Herein, a novel method is presented for determining the spin polarization with a miniaturized single-beam spin-exchange-relaxatio…
View article: High-Precision Regulation of Nano-Grating Linewidth Based on ALD
High-Precision Regulation of Nano-Grating Linewidth Based on ALD Open
A nano-grating standard with accurate linewidth can not only calibrate the magnification of nano-measurement instruments, but can also enable comparison of linewidths. Unfortunately, it is still a challenging task to control the linewidth …
View article: Quadrupolar interaction induced frequency shift of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi/> <mml:mrow> <mml:mn>131</mml:mn> </mml:mrow> </mml:msup> <mml:mrow> <mml:mtext>Xe</mml:mtext> </mml:mrow> </mml:math> nuclear spins on the surface of silicon
Quadrupolar interaction induced frequency shift of nuclear spins on the surface of silicon Open
The combination of micro-machined technology with atomic spin gyroscope (ASG) devices can be used to fabricate a chip-scale atomic spin gyroscope (CASG). The core of the gyroscope is a micromachined vapour cell, which contains alkali metal…
View article: A Flexible and Wearable Nylon Fiber Sensor Modified by Reduced Graphene Oxide and ZnO Quantum Dots for Wide-Range NO2 Gas Detection at Room Temperature
A Flexible and Wearable Nylon Fiber Sensor Modified by Reduced Graphene Oxide and ZnO Quantum Dots for Wide-Range NO2 Gas Detection at Room Temperature Open
Reduced graphene oxide (rGO) fiber as a carbon-based fiber sensor has aroused widespread interest in the field of gas sensing. However, the low response value and poor flexibility of the rGO fiber sensor severely limit its application in t…
View article: Finger Bending Sensing Based on Series-Connected Fiber Bragg Gratings
Finger Bending Sensing Based on Series-Connected Fiber Bragg Gratings Open
Smart wearable devices are occupying an increasingly important position in scientific research and people’s life fields. As an indispensable component of smart wearable devices, sensors play a crucial role in their sensing and feedback cap…
View article: High Sensitivity Optical Fiber Mach–Zehnder Refractive Index Sensor Based on Waist-Enlarged Bitaper
High Sensitivity Optical Fiber Mach–Zehnder Refractive Index Sensor Based on Waist-Enlarged Bitaper Open
A Mach–Zehnder fiber optic sensor with high refractive index response sensitivity was developed. By fabricating a waist-enlarged bitaper structure on the interference arm of a single mode–multimode–single mode (SMS) Mach–Zehnder interferom…
View article: Single beam Cs-Ne SERF atomic magnetometer with the laser power differential method
Single beam Cs-Ne SERF atomic magnetometer with the laser power differential method Open
We describe a single beam compact spin exchange relaxation free (SERF) magnetometer whose configuration is simple and compatible with the silicon-glass bonding micro-machining method. Due to the small size of the vapor cell utilized in a m…
View article: Simultaneous Measurement of Temperature and Refractive Index Using Michelson Interferometer Based on Waist-Enlarged Fiber Bitaper
Simultaneous Measurement of Temperature and Refractive Index Using Michelson Interferometer Based on Waist-Enlarged Fiber Bitaper Open
An all-fiber temperature and refractive dual-parameter-sensing Michelson interferometer is designed based on the waist-enlarged bitaper. At 5 mm from the fiber end, the waist-enlarged bitaper is manually spliced and the probe is formed. Si…
View article: A flexible and wearable NO2 gas detection and early warning device based on a spraying process and an interdigital electrode at room temperature
A flexible and wearable NO2 gas detection and early warning device based on a spraying process and an interdigital electrode at room temperature Open
View article: Piezoelectric-AlN resonators at two-dimensional flexural modes for the density and viscosity decoupled determination of liquids
Piezoelectric-AlN resonators at two-dimensional flexural modes for the density and viscosity decoupled determination of liquids Open
View article: Flexible relative humidity sensor based on reduced graphene oxide and interdigital electrode for smart home
Flexible relative humidity sensor based on reduced graphene oxide and interdigital electrode for smart home Open
With the rapid development and application of smart homes, sensors known as ‘neurons’ have become more and more important in this field. In response to the demand for relative humidity parameter in home monitoring, a flexible relative humi…
View article: Influence of Annealing Temperature on Optical Properties of Sandwiched ZnO/Metal/ZnO Transparent Conductive Thin Films
Influence of Annealing Temperature on Optical Properties of Sandwiched ZnO/Metal/ZnO Transparent Conductive Thin Films Open
Two sandwiched ZnO/Metal/ZnO transparent conductive thin films, 50nm ZnO/Cu/50nm ZnO (abbreviated as ZnO(Cu)) and 50nm ZnO/Ti/Cu/Ti/50nm ZnO (abbreviated as ZnO(Ti/Cu)) were deposited by magnetron sputtering technology. The comparative ana…