Description

The FBG For Sensor from DK Photonics is a precision-engineered fiber Bragg grating (FBG) solution designed for advanced sensing applications across diverse industries. Leveraging state-of-the-art apodized grating technology, this product delivers exceptional performance in terms of wavelength selectivity, stability, and reliability. FBGs are integral components in modern optical sensing systems, enabling accurate measurement of strain, temperature, and pressure by reflecting specific wavelengths of light while transmitting others.

This FBG sensor is tailored for demanding environments, making it ideal for structural health monitoring, energy infrastructure supervision, and advanced optical filtering. Its robust construction allows for deployment in both standard and harsh conditions, with options for acrylate, polyimide, or metal recoating to suit various operational requirements. The product supports a wide center wavelength range (1510–1590 nm) and offers customizable grating lengths, ensuring compatibility with a broad spectrum of sensing setups.

With high reflectivity and narrow bandwidth, the FBG For Sensor provides precise signal filtering and enhanced signal-to-noise ratio, which are critical for accurate data acquisition in sensor networks. The device is available with different fiber types and termination options, including bare fiber and connectorized ends, facilitating seamless integration into existing systems. Its high proof test rating and wide operating temperature range further underscore its suitability for both laboratory and field applications.

Whether used in civil engineering, energy sector monitoring, or advanced research, the FBG For Sensor stands out for its customizable design, superior optical performance, and long-term reliability. It is a versatile choice for engineers and researchers seeking robust, high-quality fiber Bragg gratings for their sensing solutions.

Fiber Bragg Grating Sensor FBG High Stability DK Photonics 1510-1590nm

Specifications

Center Wavelength Range: 1510 – 1590 nm
FBG Length: 15 mm, 10 mm, 5 mm, 3 mm
Reflectivity: >90%, >70%
FBG Profile: Apodized
Wavelength Tolerance (nm): +/-0.5
FBG Length (mm): 3, 5, 10, 15
Reflectivity: ≥70%, ≥75%, ≥90%, ≥90%
Bandwidth (at –3dB) (nm): ≤0.7, ≤0.7, ≤0.3, ≤0.3
SLSR (dB): ≥10, ≥15
Recoating: Acrylate, Polyimide or Metal
Proof Test (Kpsi): ≥100
Fiber Type: SMF-28e Or Polyimide Fiber (OFS BF04446)
Fiber Termination: Bare Fiber, FC/UPC, Or FC/APC
Pigtail Length: 1 meter (Typical)
Operating Temperature (℃): SMF-28 fiber: -40 ~ 120, Polyimide Fiber: -40 ~ 300
Maximum Metalized Length (mm): 40
Thickness Of Metal Recoating (μm): 3-4

Got questions about specs? Use the inquiry form to ask.

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Features

  • High Stability & Reliability: Engineered for long-term performance in demanding environments, ensuring consistent and accurate sensing results.
  • Customizable Grating Length: Available in multiple lengths (3mm, 5mm, 10mm, 15mm) to suit various application requirements.
  • Apodized FBG Profile: Minimizes side lobes and enhances spectral performance for precise measurements.
  • Wide Wavelength Range: Center wavelength options from 1510 nm to 1590 nm, accommodating diverse sensing and filtering needs.
  • High Reflectivity: Reflectivity levels of ≥70%, ≥75%, and up to ≥90% for superior signal strength and sensitivity.
  • Narrow Bandwidth: Bandwidth as low as ≤0.3 nm (at –3dB), ideal for high-resolution sensing and filtering applications.
  • Excellent Side Lobe Suppression Ratio (SLSR): SLSR of ≥10 dB and ≥15 dB, ensuring clean signal separation.
  • Multiple Recoating Options: Choose from Acrylate, Polyimide, or Metal recoating for enhanced durability and environmental resistance.
  • High Proof Test Level: Proof tested to ≥100 Kpsi for robust mechanical strength and reliability.
  • Versatile Fiber Types: Compatible with SMF-28e or Polyimide Fiber (OFS BF04446) for broad application compatibility.
  • Flexible Fiber Termination: Options include Bare Fiber, FC/UPC, or FC/APC connectors for easy integration.
  • Standard Pigtail Length: Supplied with a typical 1-meter pigtail for convenient installation.
  • Wide Operating Temperature Range: Operates from -40°C to 120°C (SMF-28 fiber) and up to 300°C (Polyimide fiber), suitable for harsh environments.
  • Metal Recoating Capability: Metalized lengths up to 40mm and thickness of 3–4 μm for added protection in extreme conditions.
  • Ideal for Multiple Applications: Perfect for health monitoring, energy monitoring, and ASE filtering in industrial, telecom, and research settings.

Applications

  • Structural Health Monitoring: Used in bridges, buildings, dams, tunnels, and other civil engineering structures to detect strain, deformation, and cracks for early warning and maintenance planning.
  • Energy Infrastructure Monitoring: Applied in oil & gas pipelines, power lines, wind turbines, and nuclear facilities to monitor temperature, pressure, and mechanical stress for enhanced safety and efficiency.
  • Medical and Biomechanical Sensing: Integrated into wearable devices, prosthetics, and medical instruments for real-time monitoring of physiological parameters such as temperature, pressure, and strain.
  • Aerospace and Aviation: Embedded in aircraft wings, fuselage, and composite materials to monitor structural integrity, vibration, and fatigue during operation.
  • Railway and Transportation Systems: Used for track and rail monitoring, axle load measurement, and vehicle health diagnostics to improve safety and reduce maintenance costs.
  • Telecommunications: Employed as wavelength-selective filters, dispersion compensators, and channel selectors in fiber optic communication networks.
  • Laser Systems: Utilized for wavelength stabilization, spectral filtering, and feedback control in fiber lasers and amplifiers.
  • Acoustic and Vibration Sensing: Deployed for distributed acoustic sensing (DAS) in perimeter security, intrusion detection, and seismic activity monitoring.
  • Temperature Sensing: Provides precise and distributed temperature measurements in industrial processes, fire detection systems, and environmental monitoring.
  • Pressure and Strain Sensing: Measures pressure and strain in harsh environments, such as deep-sea exploration, mining, and high-voltage equipment.
  • Automotive Industry: Integrated into vehicles for real-time monitoring of structural health, crash detection, and component stress analysis.
  • Research and Development: Used in laboratories and academic research for advanced sensing, material testing, and experimental mechanics.

Frequently Asked Questions

What is an FBG for Sensor from DK Photonics?
An FBG for Sensor from DK Photonics is a fiber Bragg grating (FBG) device designed for use in sensing applications. It features high stability, reliability, and customizable grating lengths, making it suitable for health monitoring, energy monitoring, and ASE filtering.
What are the main applications of DK Photonics FBG for Sensor?
The main applications of DK Photonics FBG for Sensor include health monitoring, energy monitoring, and amplified spontaneous emission (ASE) filtering. These FBGs are widely used in telecommunications, lasers, and various sensor systems.
What are the key features of DK Photonics FBG for Sensor?
Key features include high stability and reliability, apodized grating profile, customizable grating length, high reflectivity (≥70% to ≥90%), narrow bandwidth (≤0.7 nm to ≤0.3 nm at –3dB), and multiple recoating options such as acrylate, polyimide, or metal.
What wavelength range do DK Photonics FBG for Sensor support?
DK Photonics FBG for Sensor supports a center wavelength range from 1510 nm to 1590 nm, with a wavelength tolerance of ±0.5 nm.
What fiber types and terminations are available for DK Photonics FBG for Sensor?
Available fiber types include SMF-28e and polyimide fiber (OFS BF04446). Fiber terminations can be bare fiber, FC/UPC, or FC/APC, with a typical pigtail length of 1 meter.
What is the operating temperature range for DK Photonics FBG for Sensor?
The operating temperature range is -40°C to 120°C for SMF-28 fiber and -40°C to 300°C for polyimide fiber, making these FBGs suitable for harsh environments.
What customization options are available for DK Photonics FBG for Sensor?
Customization options include grating length (3, 5, 10, or 15 mm), recoating material (acrylate, polyimide, or metal), fiber type, termination style, and center wavelength within the specified range.

Got more questions? Use the inquiry form to ask the supplier directly.

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