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    • 1550nm 100nm Electric Tunable Filter

    Wavelength-tuning is actuated by either a precise micrometer driver or a micro step-motor connected to a PC through a USB interface in which actuation is monitored by a built-in encoder and controlled dynamically in a closed-loop.

    Product features：low insertion loss；low polarization-dependent loss；Flat-top transmission spectral shape；Sharp filter edge roll-off slope；High power handling

    Part Number：MP-WLTF-WE-1550-100

    Application area：ASE noise suppression | CWDM channel filtering | Pulse shaping | Signal filtering

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    Main parameters
  • Core parameters

  • Center Wavelength Tuning Range Type

    1550nm 100nm Electric

  • Dimension Drawing
    • General Parameters

    Specifications of Electric Tunable Filter

    Center Wavelength

    1060nm±15nm

    1310nm±15nm

    1550nm±20nm

    1600nm±20nm

    Tuning Range(TR)

    80nm-BW

    100nm-BW

    100nm-BW

    100nm-BW

    Insertion Loss

    2.0dB typ. and 3.5dB max.(Connector exclusive)

    FWHM Bandwidth(BW)2

    BW1min to 80nm

    BWmin to 100nm

    BWmin to 120nm

    BWmin to 120nm

    BWmin=1.40nm for S-version

    BWmin=2.00nm for S-version

    BWmin=2.50nm for S-version

    BWmin=2.50nm for S-version

    BWmin=0.60nm for P-version

    BWmin=0.80nm for P-version

    BWmin=1.00nm for P-version

    BWmin=1.20nm for P-version

    BWmin=0.20nm for U-version

    BWmin=0.25nm for U-version

    BWmin=0.35nm for U-version

    BWmin=0.40nm for U-version

    Wavelength Resolution

    0.01nm

    Wavelength Repeatability

    ±0.01nm

    Max. Tuning Speed

    80nm/sec. for S- or P- version

    Polarization-Dependent Loss

    0.15dB typ./0.30dB max. over tuning range(SM fiber pigtail only)

    Extinction Ratio

    20dB(PM fiber pigtail only without connector)

    Spectral Shape

    Flat-top

    Passband Flatness

    <0.05dB(Maesured within BWmin)

    Filter Edge Rolling-Off Slope3

    30dB/nm for S-version

    25dB/nm for S-version

    22dB/nm for S-version

    20dB/nm for S-version

    80dB/nm for P-version

    60dB/nm for P-version

    55dB/nm for P-version

    50dB/nm for P-version

    150dB/nm for U-version

    120dB/nm for U-version

    100dB/nm for U-version

    100dB/nm for U-version

    Max. Optical Power

    500mW(CW).Up to 5.0W(CW) power handling available on request

    Return Loss

    >45dB

    Out-Band Suppression

    >50dB for BW<2x BWmin

    Polarization Mode Dispersion

    <0.2ps(SM fiber pigtail only)

    Group Delay

    <0.1ps/nm

    Pigtail Fiber Type4

    HI1060

    SMF-28e

    SMF-28e

    SMF-28e

    Panda PM980

    Panda PM1300

    Panda PM1550

    Panda PM1550

    Electric Interface

    USB, I2C or SPI

    Electric Power Consumption

    <0.5W for S or P version

    Operation Temp

    10℃ to 50℃

    Storage Temp

    -10℃ to 75℃

    Dimension

    See dimension drawings below

    Weight

    <0.75kg

    Other

    ROHS compliant

    Note:

    ¹ BW min is minimum accessible flat-top bandwidth.

    ² Larger selected bandwidth, narrower tuning range.  

    3 Measured from -3dB to -43dB level.

    4 PM fibers aligned in PM slow axes (fast-axis blocking)

    unless specified as others, LMA or PLMA fiber pigtails are available on request.

     

    Transmission Spectrum of 5.0nm S version Filter over O-band

    1.1.png

     

    Transmission Spectrum of 5.0nm S version Filter over E-band

    1.2.png

     

    Transmission Spectrum of 1.25nm Flat-Top P Version Tunable Filter over C Band

    1.3.png

     

    Transmission Spectrum of 3.0 nm Flat-Top P Version Tunable Filter over C-Band

    1.4.png


    Transmission Spectrum of 6.0 nm Flat-Top P Version Tunable Filter over C -Band

    1.5.png

     

    Transmission Spectrum of 5.0nm S version Filter over S-band

    1.6.png


    Transmission Spectrum of 5.0nm S version Filter over C-band

    1.7.png


    Example: Typical Transmission Spectrum and Tuning Dispersion of 5.0nm Filter over O-Band

    1.8.png

     

    Example: Typical Transmission Spectrum and Tuning Dispersion of 6.0nm Filter over S, C, L-Band

    1.9.png


    Main differences among S-, P- and U-version filters are they have different minimum accessible flat-top bandwidths and filter edge rolling-off slopes.  

     

    Standard interface of electric version filters for Filter Wavelength Tuning (FWT) is USB. The USB

    interface through a PC is equipped with USB-RS232 virtual serial port interface (USB B-type connector). The power supply is provided from either USB directly or an extra 5V DC (on request). It is easy to use any Serial COM Port Software in PC to control FWT, such as Tera Term. The command set is very simple and easy to drive the filter to find the home position, go to desirable center wavelengths of transmission band or any indicated positions within actuation range. I2C and SPI digital control interfaces are also available as standard. Other type electric interfaces are available on request.

     

    Example of Control interface of Filter Wavelength Tuning through USB interface by a PC.


    1.10.png


    Order Information

    MP-WLTF-WE-A-B-C/D-E-F/G-H

     

    A. Version type: S is for polarization-insensitive version, P is for polarization-insensitive version and U is for U- version  

    B. Center wavelength in nanometer: 1550 is for 1550nm center wavelength and 1310 is for 1310nm center wavelength.

    C. Tuning wavelength range in nanometer: 80 is for 80nm tuning range and 100 is for 100nm tuning wavelength range.

    D. FWHM bandwidth in nanometer: 3.5 is for 3.5nm FWHM bandwidth.  

    E. Fibre type: SM for single mode fiber and PM for Panda polarization maintaining fibre, or others

    such as LMA or PLMA  

    F. Pigtail cable diameter in millimeter: 0.25 is for 250µm OD buffer fiber, 0.9 is for 900µm OD

    loose tube and 3.0 is for 3.0mm OD cable (only existing for pigtail version).

    G. Pigtail length in meter: 0.5 is for 0.5m long and 1.0 is for 1M long (only existing for pigtail

    version).

    H. Connector type of either pigtail termination or receptacle adapter, such as FC/APC, FC/UPC

    SC/APC or LU/UPC and 00 is for no connector.  

    I. Interface type: USB is for USB interface, I2C is for I2C interface and SPI is for SPI interface

    (electric version only). 


    Optional Configurations

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  • Product title: 1550nm 100nm Electric Tunable Filter
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