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Fiber Bragg Gratings / Bundles & Fiber assemblies

IDIL is a global provider of customized Fiber Bragg Gratings (FBG) that fit most passive and active applications.

Fiber Bragg Gratings summary

IDIL Fibres Optiques designs and manufactures various Fiber Bragg Gratings (FBG) profiles including uniform FBG, chirped FBG, blazed FBG, FBG arrays and FBG packaging including bare fiber FBG and athermal FBG. Our products cover a wide wavelength range: from 1000 nm to 1800 nm.

IDIL can work from every type of fibers and supply every type of connectors. Our team calculates and designs the profile of FBG. We also characterize and realize multiplexed FBG (cf. opposite) with several gratings on the same optical fiber (from 1 to about 20) which can be close as a few millimeters or separated by a few kilometers.

Our FBG lead to numerous applications in the fields of fiber lasers (high power and low noise lasers), high power amplifiers, sensors (acoustic, interferometry, spectroscopy) and telecommunications (DWDM) among others.

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    • Various profiles: uniform FBG, chirped FBG, blazed FBG, arrays
    • SM, MM, PM fibers
    • Every type of connectors
    • Multiplexed FBG (typically up to 20)
    • Bare FBG and athermal FBG packaging
    • Robust
    • High-power handling
    • Ultra-precise wavelength matching
    • Fiber lasers
    • Low noise CW lasers
    • Mode-locked oscillators
    • Laser diode stabilizers & FBG wavelength lockers
    • Gain flattening filters
    • Erbium-Doped Fiber Amplifiers (EDFA)
    • DWDM
    • Wavelength selective filters for telecommunications
    • Optical sensors
    WavelengthFrom 1 µm to 1.8 µm
    Spectral widthFrom 10 pm to several tens nm
    FBG packagingAcrylate recoat
    Athermal packaging
    Surface and weldable sensor
    FBG profileUniform FBG
    Chirped FBG
    Blazed FBG
    FBG Arrays
    Cavity lengthCustom
    Active fiber length & pigtail fiber lengthCustom
    Fiber typeSMF, PMF, MMF
    Buffer250 µm; 900 µm; 2.8 mm
    Reflectivity (HR)From 1% to 99,99%
    ConnectionFC, LC, SC, SMA, ST, MU, E2000, other
    Power handlingUp to 10 W (CW)
    CalibrationNo calibration needed
    Operating temperatureTypical: -10°C to +120°C (FOS-TA)
    Higher upon request
    FBG profiles

    Wavelength-selective mirrors or Fiber Bragg Gratings consist of selecting only a very precise wavelength thanks to an optical mirror which was firstly photo-imprinted into an optical fiber. Different types exist:

    1. Uniform FBG
    2. Chirped FBG
    3. Blazed FBG
    4. FBG arrays

    This technology is a key component for fiber lasers. FBG can be used as a High reflector (HR) and Output Coupler (OC) to make a laser cavity in a fiber laser.

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