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首页 PhotoDetectors Balanced photodetector InGaAs balanced photodetector Indium gallium arsenide InGaAs ultra-low noise balanced detector UBD-A 800-1700nm InGaAs ultra-low noise balance detector UBD-1G-A

    • InGaAs ultra-low noise balance detector UBD-1G-A

    The UBD series ultra-low noise balanced detection module is an upgraded product based on the original MBD series. Compared with the original MBD series, its background noise is significantly reduced under the same other parameters. Under the same bandwidth and gain conditions, its background noise is about one-third of the MBD series module, so it has higher sensitivity and higher signal-to-noise ratio.

    产品特点Ultra-low noise、 High gain、 High bandwidth、 Compact structure、 Built-in low-noise isolated power supply

    产品货号E80040209

    应用领域Distributed fiber optic sensing、 Laser wind radar、 Optical coherence tomography、 Spectral measurement、 Level optical pulse detection

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    电话：16628709332

    邮箱：moli@microphotons.com

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    主要参数
  • 核心参数

  • 尺寸图

    • Parameters

    PN#

    UBD-100M-A

    UBD-200M-A

    UBD-300M-A

    UBD-400M-A

    UBD-500M-A

    UBD-800M-A

    UBD-1G-A

    UBD-1.2G-A

    UBD-1.5G-A

    UBD-2G-A

    UBD-2.5G-A

    Unit

    Detector type

    InGaAs


    Wavelength

    800~1700

    nm

    Bandwidth

    100M

    200M

    300M

    400M

    500M

    800M

    1G

    1.2G

    1.5G

    2G

    2.5G

    Hz

    Detector responsivity

    0.95

    0.95

    0.95

    0.95

    0.95

    0.95

    0.95

    0.95

    0.95

    0.95

    0.95

    A/W@1550nm

    Transimpedance gain

    30K

    30K

    30K

    20K

    10K

    30K

    30K

    30K

    30K

    30K

    30K

    V/W

    Maximum input optical power

    140

    140

    140

    210

    420

    140

    140

    140

    140

    140

    140

    μW

    NEP

    2.5

    2.5

    2.5

    2.9

    3.1

    3.1

    3.1

    3.1

    3.1

    3.1

    3.1

    pW/Sqrt(Hz)

    Common mode rejection ratio

    >30

    >30

    >30

    >30

    >30

    >30

    >30

    >30

    >30

    >30

    >30

    dB

    Output impedance

    50

    50

    50

    50

    50

    50

    50

    50

    50

    50

    50

    Ω

    Output coupling mode

    DC/AC

    DC/AC

    DC/AC

    DC/AC

    DC

    AC

    AC

    AC

    AC

    AC

    AC


    Supply voltage

    5

    5

    5

    5

    5

    12

    12

    12

    12

    12

    12

    V

    Supply current

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    0.5(max)

    A

    Optical input

    FC/APC（Free space optional）


    RF output

    SMA


    Dimensions

    80*90*25

    mm


    Test results:

    1.1.png

    300MHz bandwidth corresponding curve

     

    1.2.png

     Comparison of noise floor between ultra-low noise balanced detector and conventional balanced detector

     

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