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Home/ Products/ Fiber Accessories/ FBG device/ FBG filter/ Ultra narrow line broadband fiber Bragg grating FBG filter 1539.4/1551.08nm (bandwidth<0.05nm, reflectivity 90% polarization maintaining optional)/ 1539.4nm Narrow Bandwidth Fiber Bragg Grating (FBG) Filter (Bandwidth < 0.05nm, reflectivity up to 90%, polarization-maintaining optional)

    • 1539.4nm Narrow Bandwidth Fiber Bragg Grating (FBG) Filter (Bandwidth < 0.05nm, reflectivity up to 90%, polarization-maintaining optional)

    This narrow bandwidth bandpass filter from IdealPhotonics is based on our advanced Fiber Bragg Grating (FBG) technology. The narrow bandwidth bandpass filter can selectively transmit light signals with a small bandwidth while blocking all other wavelengths. This filter is designed for applications such as fiber laser ASE noise suppression, LiDAR filters, high-resolution Raman spectroscopy, fluorescence microscopy, and optical instruments.

    Product features：Ultra-narrow bandwidth、 All-fiber structure、 Wavelength selectable、 Wide stopband width、 Different fiber types available

    Part Number：--

    Application area：Fiber laser noise filtering、 Lidar spectral noise filtering、 High-resolution Raman spectroscopy analysis、 Fluorescence imaging

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    Main parameters
  • Core parameters

  • Dimension Drawing
    • General Parameters

    Technical Parameters

    Model:

    NBFBG-1539.4-004-99-01-SA


    Date:

    28/09/2022

    Name:

    Fiber Bragg Grating




    S/N:

    5604-1


    Temperature:

    23°C

    Optical Specifications

    Requirement

    Measurement

    Unit

    Center Wavelength @ 3 dB

    1539.4291±0.02

    1539.42

    nm

    Isolation

    N.A.

    34.38

    dB

    Bandwidth @ 0.5dB

    N.A.

    0.03

    nm

    Bandwidth @ 3.0dB

    <0.05

    0.04

    nm

    Bandwidth @ 25.0dB

    N.A.

    0.09

    nm

    Reflectance

    >99.9

    100.0

    %

    Thermal Stability

    N.A.

    N.A.

    pm/°C

    Fiber Type

    SMF28e+

    SMF28e+


    Adsorptive Coating

    N.A.

    N.A.


    Connector

    FC/APC

    FC/APC


     

     

     2.1.png

     

     

     Transmission spectrum

     


    General Parameters

    2.2.png

     

     

     

     

    Ordering Info

    NBFBG- □□□□-☆-☆☆-A8▽- XX

    □□□□: Wavelength

    532: 532nm

    1064: 1064nm 

    1550: 1550nm 

    *****

    1950: 1950nm

    ☆ : bandwidth

    004: 0.04nm

    008: 0.08nm

    ☆☆：Reflectivity 01:1%

    10:10% 90:90%

    ▽: Wavelength Tolerance

     01: ±0.1nm

    XX: Fiber and Connector Type 

    SA=SMF-28E+ FC/APC

    SP=SMF-28E+ FC/PC

    SN=SMF-28E+ None

    PA=PM1550 Fiber+ FC/APC 

    PP=PM1550 Fiber+ FC/PC  

    PN=PM1550 Fiber+ None

     


    Optional Configurations

    --

    Downloads

    1539.4nm Narrow Bandwidth Fiber Bragg Grating (FBG) Filter (Bandwidth < 0.05nm, reflectivity up to 90%, polarization-maintaining optional).pdf

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