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    Fiber Optic Tunable Filter
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    AFR Tunable Filter for FBG and FP Sensor Interrogation, Wavelength-Swept Sources, Spectrum Analysis, Optical Channel Monitoring and Selection, Optical Noise Filtering

    Fiber Optic Tunable Filter

    The Fiber Optic Tunable Filter is based on fiber Fabry-Perot interferometer technology. Activated by a piezoelectric transducer, the device can be tuned across the entire C + L band. It is ideal for applications in signal selection, noise rejection, and spectrum analysis. Two thermistors are mounted in the filter package for temperature monitoring.
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    • Product Detail

    Key Features

    Applications

    High Resolution

    FBG and FP Sensor Interrogation

    Efficient Low Loss Design

    Wavelength-Swept Sources

    Tuning Range C + L Bands

    Spectrum Analysis

    Vibration and Shock Resistant

    Optical Channel Monitoring and Selection

    Excellent Thermal Stability

    Optical Noise Filtering   

     

    Specifications

     Parameter

    Unit

    Value

     Wavelength Range

    -

    C + L Band

     Typ. Finesse

    -

    400

    1000

    2000

     Typ. FSR

    nm

    ~ 100

    ~ 120

    ~ 120

     Typ. Pass Bandwidth @ - 3 dB

    nm

    ~ 0.25

    ~ 0.12

    ~ 0.06

     Max. Peak Insertion Loss

    dB

    3.0

    3.0

    3.5

     Max. Optical Power

    mW

    30

    12

    6

     Max. PDL (at peak transmission wavelength)

    dB

    0.3

     Slow Tuning Frequency

    kHz

    < 5

     Resonant Frequency

    kHz

    65 ± 10

     Fiber Type

    -

    SMF-28 Fiber

     Max. Tuning Voltage/FSR

    V

    25

     Max. Tuning Voltage for Resonant Tuning

    V

    3.5

     Resistance of NTC Thermistor @ 25 ℃

    kΩ

    100

     Operating Temperature

    ℃

    0 to + 70

     Storage Temperature

    ℃

    - 40 to + 80

     Dimensions

    mm

    13.5 x 18 x 50

     Fiber Length

    m

    1


    1IL is 0.3 dB higher for each connector added. 

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