• 25:75 488nm 2x2 Polarization-Maintaining Fiber Coupler

    The RGB-PMFBC-W0488 RGB series polarization-maintaining fiber coupler is a high-performance coupler designed for visible light wavelength splitting, manufactured using our IPCS-5000-P polarization-maintaining fiber fusion tapering machine. It offers excellent performance and can cover the entire wavelength range (460-2200nm). The polarization-maintaining coupler is made with panda-type Fujikura polarization-maintaining fiber, enabling it to maintain a high polarization extinction ratio (PER) when light is emitted along the slow axis of the fiber. Xiaoxiao Photonics' optical polarization-maintaining components are aligned to the slow axis by default, and our polarization-maintaining couplers feature a high extinction ratio and can operate over a wide temperature range from -40°C to 85°

    产品特点Fused fiber coupler for 460-2200nm、 Coupling ratios of 50:50, 75:25, 90:10, or 99:1、 Bidirectional coupling (any end can be used as input)、 2.0 mm narrow key FC/PC or FC/APC connectors、 Each broadband coupler comes with its own test report

    产品货号A80150575

    应用领域Polarization-maintaining fiber amplifiers、 Fiber optic gyroscopes、 Optical sensors

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    Sherry

    电话:16628709332

    邮箱:moli@microphotons.com

    主要参数
  • 核心参数
  • 尺寸图
  • 2.1.png

     

     

    Definition of Slow Axis

     


    Parameters

    Structure

    Unit

    1×2/2×2

    Type


    Polarization-Maintaining Fiber optic Coupler(PMFBC)

    Operating Wavelength

    nm

    488 /632/633

    Operating Bandwidth

    nm

    ±15

    Maximum Insertion Loss

    50/50

    %

    4 .0 /4 .0

    30/70

    %

    5 .75/2 . 10

    10/90

    %

    1 1 .60/1 .00

    5 /95

    %

    14 .80/0 .80

    2 /98

    %

    18 .50/0 .45

    1 /99

    %

    22 .00/0 .40

    Extinction Ratio

    dB

    CR>5%

    ≥18 .00

    5 % ≥CR>1%

    ≥15 .00

    Return Loss

    dB

    ≥50 .00

    Directivity

    dB

    ≥55 .00

    Operating Temperature

    Deg .

    -5~+75

    Storage Temperature

    Deg .

    -40~+85

    Fiber Length

    m

    1 .00 ±0 . 10

    Fiber Type


    Panda PM Fiber

    Fiber Diameter

    um

    250

    900

    900/2000/3000

    Package Dimensions

    mm

    3×54

    3×70

    90×16×10

    Notes:

    All test results exclude connectors; adding connectors increases insertion loss by 0.3 dB.

    Better parameters or other requirements can be customized.

     


    Single-Point Data Test: 1x2, 50:50, 488nm Polarization-Maintaining Fiber Coupler
    (Tested with an FP laser, center wavelength 488nm, spectral width: 30nm, 2.5 mW polarization-maintaining laser as an example)

    2.6.jpg

    488nm PM FP Laser diode


    2.3.jpg

    Slow Axis Alignment


    2.4.jpg

    RGB-PMFBC-W0488-S1-CR5050-1-9-PA-35T Black port @0488nm          


    2.5.jpg            

    RGB-PMFBC-W0488-S1-CR5050-1-9-PA-35T White port @0488nm

     

     

    Ordering info

    RGB-PMFBC-W□□□□-S○-CR▽-☆-△-XX-□□
    W□□□□: Wavelength
    0488: 0488nm
    1392: 1392nm
    1512: 1512nm
    1532: 1532nm

    *****

    1550: 1550nm
    1650: 1650nm
    1742: 1742nm

    S○: Port Structure
    12: 1x2
    22: 2x2

    CR▽:
    0199: 1:99
    1090: 10:90
    2575: 25:75
    5050: 50:50

    ☆: Pigtail Length
    05: 0.5m
    1: 1m
    10: 10m

    △: Loose Tube
    B: Bare Fiber
    9: 900µm Loose Tube
    20: 2mm Loose Tube
    30: 2mm Loose Tube

    XX: Fiber and Connector Type
    PA = PM Fiber + FC/APC
    PP = PM Fiber + FC/PC

    □□: Package
    35T: Tube 3×35
    70T: Tube 3×70
    M: Module 90×16×10

     



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