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    Mini PM Optical Fiber Devices Series

    Author:Optizone Technology (Shenzhen) Limited Click: Time:2022-04-26 08:08:00


    Polarization maintaining device is a general term of optical devices produced by polarization maintaining fiber. The purpose is to maintain the original polarization state of polarized light or change the polarization state when connecting or coupling the polarized light in two polarization maintaining fibers. It can be used in polarization sensitive fiber optic sensing systems such as fiber optic gyroscope and fiber optic hydrophone. It can also be used in fiber optic communication systems, fiber amplifiers, fiber lasers and other devices.


    Compared with the products sold on the market, the extinction ratio of the Mini series optical fiber devices can be up to 28dB, the minimum package can be 2.5*20mm. At the same time, it has high damage threshold, high reliability and high integration.


    1、Mini size PM Single Mode Standard Coupler



    Features:

    Small Package Dimensions

    High Reliability

    Wide Bandwidth

    Low Insertion Loss


    Parameters

    Unit

      Values

    Center Wavelength

    nm

    1550, 1480, 1310,

    Operating Wavelength Range

    nm

    ±15

    Coupling Ratio

    %

    50/50

    Max. Coupling Ratio Tolerance

    %

    ±5

    Max. Excess Loss

    dB

    0.5

    Min. Extinction Ratio

    dB

    20

    Max. Optical Power (CW)

    mW

    500

    Fiber Type

    -

    PM1550

    Package Dimensions

    mm

    Ø3.0x30, Ø3.0x25


    2、Mini Polarization Maintaining Faraday Mirror



    Features:

    Low Insertion Loss

    Small Package Dimensions

    High Reliability


    Parameters

    Unit

    Values

    Typical values

    Center Wavelength

    nm

    1310/1550


    Operating Wavelength Range

    nm

    ±40


    Typ. Insertion Loss                                                                            

    dB

    0.4

    0.4

    Max. Insertion Loss

    dB

    0.6

    0.4

    Faraday Rotation Angle (Single Pass)

    deg

    45

    45

    Max. Rotation Angle Tolerance at 23, CWL

    deg

    ±1


    Min. Extinction Ratio

    dB

    20

    22

    Max. Optical Power (CW)

    mW

    500


    Fiber Type

    PM Panda Fiber


    3、Mini Polarization Maintaining Filter Wavelength Division Multiplexer



    Features:

    Low Insertion Loss

    High Return Loss

    Excellent Environmental Stability


    Parameters

    Unit

    Values

    Typical values

    Min. Return Loss

    dB

    50

    55

    Min. Extinction Ratio

    dB

    20

    22

    Min. Directivity (over Reflection Band)

    dB

    55

    60

    Thermal Stability

    dB/℃

    0.005

    0.003

    Max. Optical Power (CW)

    mW

    500


    Fiber Type

    PM Panda Fiber


    4、Mini Polarization Maintaining Isolator



    Features:

    High Isolation

    High Reliability

    Low Insertion Loss


    Parameters

    Unit

    Values

    Values

    Stage

    -

    Single

    Dual

    Single

    Dual

    Nominal Center Wavelength

    nm

    1064

    1310, 1480, 1550

    Operating Wavelength Range

    nm

    ±5

    ±20

    Typ. Peak Isolation

    dB

    40

    52

    40

    55

    Min. Isolation at 23

    dB

    28

    42

    28

    42

    Typ. Insertion Loss (Proper SOP)

    dB

    1.8

    2.4

    0.4

    0.5

    Max. Insertion Loss (Proper SOP)

    dB

    2.2

    3.4

    0.6

    0.7

    Min. Return Loss (Input/Output)

    dB

    55/50

    Min. Extinction Ratio (only for F type)

    dB

    23

    25

    Min. Extinction Ratio (only for B Type)

    dB

    20

    Max. Optical Power (CW, Proper SOP)

    mW

    300

    500

    Fiber Type

    -

    PM 980

    PM 1310 or PM 1550

    Package Dimensions

    mm

    OD3.0, L20


    5、Mini Polarization Maintaining Filter Coupler




    Features:

    Low Insertion Loss

    High Return Loss

    High Extinction Ratio


    Parameters

    Unit

    Values

    Typical values

    Port Type

    -

    1*2, 2*2


    Center Wavelength

    nm

    850/1064/1310/1550/2000


    Operating Wavelength Range

    nm

    +/-40


    Max. IL

    dB

    0.7(1*2),0.9(2*2)

    0.5(1*2),0.7(2*2)

    Max. Uniformity

    dB

    0.6

    0.4

    Tap Ratio

    %

    1~99


    Min. Return Loss

    dB

    50

    50

    Min. Extinction Ratio

    Db

    20

    22

    Max. Optical Power (CW, Proper SOP)

    mW

    500


    Fiber Type

    -

    PM Panda Fiber



    Mini PM Optical Fiber Devices Series
    the extinction ratio of the Mini series optical fiber devices can be up to 28dB, the minimum package can be 2.5*20mm. At the same time, it has high damage threshold, high reliability and high integrat
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