Microsphere-based interferometric optical probe

Here, we report a conceptually new optical probe, termed ''reflectophore'', which is based on the spectral interference from a dielectric microsphere.

Flexible Fiber-Optic Sensor Based on Upconversion Fluorescence in

In this article, a flexible single-point sensor integrated into a fiber-optic path, capable of simultaneously detecting temperature and pressure with inherent crosstalk immunity, is presented through the

Manipulable multipurpose nanothermometers based on

We demonstrate the use of this all-fiber temperature sensor in diverse environments, especially in strongly acidic and alkaline conditions.

Fiber-optics based fluorescence detection. Part I: Basic

Fiber-optic based detection enables various remote applications ranging from analytical sciences, remote sensing, industrial applications,

Development of alginate gel nanosphere-based fluorescent fiber optic

To address these issues, this study developed a fluorescent fiber optic sensor for non-destructive detection of chloride ion concentration in cement-based materials.

Development of a fluorescent-based miniaturized fiber optic pH sensor

This study presents an assembly-free ball lens structure at the tip of tapered multimode optical fiber to enhance the light collection efficiency for pH measurements. A 35 µm diameter ball lens was

A Brief Review of New Fiber Microsphere Geometries

A brief review of new fiber microsphere geometries is presented. Simple microspheres working as Fabry–Perot cavities are interrogated in reflection and

Development of alginate gel nanosphere-based fluorescent fiber optic

Fiber optic sensing for chloride monitoring primarily utilizes long-period fiber grating (LPFG) sensors and fluorescent fiber optic sensors. LPFG sensors detect chloride concentration

Fiber-Optic Microstructure Sensors: A Review

This paper reviews a wide variety of fiber-optic microstructure (FOM) sensors, such as fiber Bragg grating (FBG) sensors, long-period fiber grating (LPFG)

Enhanced sensing performance of microsphere cavities based on

This work demonstrates the superior performance of silica microsphere cavities fabricated from coreless fiber (CLF) for optical sensing applications.

(PDF) Distributed Fluorescence Sensing Using

Fluorescence-based distributed sensing using exposed core microstructured optical fiber has been demonstrated. The optical fiber consists

Microsphere and Fiber Optics based Optical Sensors

Great advantages of optical sensing including immunity to electromagnetic interference, large bandwidth, reliability, and high sensitivity

Time-Resolved Spectroscopy of Fluorescence

Numerous optodes, with fluorophores as the chemical sensing element and optical fibres for light delivery and collection, have been fabricated

(PDF) Fiber-optic Sensors with Microsphere

We report the fabrication of a novel fiber-optic sensor device, based on the use of a microsphere conformally coated with a thin layer of zinc oxide

Large-range fiber microsphere micro-displacement sensor

Considering that the structure of the fiber micro-displacement sensor is not compact and the detection range is narrow , the present study proposes a fiber-optic microsphere micro

Optical-fiber-microsphere for remote fluorescence correlation

The use of an optical fiber combined with a latex microsphere to perform FCS analysis and the sensitivity of the technique is demonstrated at the single molecule level thanks to a photonic nanojet

Microsphere amplified fluorescence and its application in sensing

We believe the microsphere amplified fluorescence would be a potential strategy to implement the sensitive fluorescence sensing.

Fiber Optofluidic Microlasers: Structures,

For applications, the capability of fiber optofluidic lasers is emphasized to perform biochemical analysis with ultrahigh sensitivity, fast response, high throughput,

APN-24-105104 1..11

Our design concept based on the fiber-coupled microsphere cav-ity has been implemented following the unique total reflection of light in microsphere cavities and optical fibers.

Fluorescence based fiber optic and planar waveguide biosensors. A

Highlights • Principles, configurations and fluorescence techniques using fiber optic and planar waveguide biosensors are discussed. • The biorecognition elements and sensing schemes used in

Microsphere amplified fluorescence and its application in sensing

The microsphere amplified fluorescence was proposed by building up a local dielectric surrounding around fluorophore to proceed the dramatic amplification to fluorescence, in which the

Fiber-optic Sensors with Microsphere

Microsphere as a standalone device In most of the fiber-optic microsphere sensors described in the literature, light is coupled directly with the microspherical resonator through an external setup

Packaged Temperature Sensor Based on Fluorescent Microsphere

Abstract: We propose a compact fluorescence intensity ratio (FIR) based temperature sensor packaged in a capillary with an embedded fiber microlens.

Microsphere and Fiber Optics based Optical Sensors

Then, capability of microsphere resonator as biosensor is investigated and analyzed based on simulation and comparison to experimental

High-Performance Fiber Optical Pressure Sensor Based on Microsphere

A compact high-performance fiber optical pressure sensor with large measuring range, high precision and high stability has been proposed, which is suitable for high-pressure

ZnO coated fiber optic microsphere sensor for the enhanced refractive

It has been found that the biocompatible ZnO functional nanocoatings of the fiber-optic microsphere sensors allowed for a wider measurement range of refractive indexes, opening up new

Fiber-optics based fluorescence detection. Part I: Basic

In the following sections, we will discuss the potential use of fiber optics without the collimating optics (bare flat-tipped fiber) and fiber optics

A filled-enhanced high-sensitivity optical fiber temperature sensor

A microsphere is innovatively inserted into alcohol-filled DCSHF to significantly enhance temperature sensitivity. In this paper, a temperature sensing structure comprising single-mode fiber

Biosensing of malachite green in fish using a high-stability fiber

The low cost and remote light-guiding characteristics of optical fibers are also key pathways to move expensive optical analysis methods out of laboratory environments, representing