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1550nm Motorized Variable Optical Delay Line (GK-MDL Series)
Optical Delay Line

1550nm Motorized Variable Optical Delay Line (GK-MDL Series)

Motorized Variable Optical Delay Line provides precision optical path length adjustment of up to 500 ps. Driven by a stepping motor, the MDL has a delay resolution about 10 um (34 fs). In addition, its advanced motion design guarantees longevity for long-term continuous operation. Low insertion loss and high reliability make this device ideal for integration in optical coherence tomography (OCT) systems, network equipment and test instruments for precision optical path length control or timing alignment.

    description1

    Specifications

    Parameter

    Unit

    Value

    Center Wavelength (λc)

    nm

    1060, 1550

    Operation Wavelength

    nm

    λc ± 40

    Optical Delay Range

    ps

    0 - 500 ps Continuous

    Zero Point DelayOffset

    ps

    ~440

    Optical Delay Resolution

    -

    10 µm  or 34 fs per Encoder Count

    Max. Insertion Loss

    dB

    1.2

    Max. Insertion Loss Variation

    dB

    0.5

    Max. PDL

    dB

    0.1

    Min. Extinction Ratio (for PM model)

    dB

    18

    Min. Return Loss

    dB

    50

    Max. Optical Power Handling (Continuous Wave)

    mW

    300

    Electrical Interface

    -

    2 - Phase Stepper Motor Drive Signal

    2 Sensor Connections

    Operating Temperature

    0 to +40

    Storage Temperature

    -20 to +60

    Fiber Type

    -

    Singlemode or PM Panda Fiber

    Dimensions

    mm

    60 × 150 × 23

    ¹IL is 0.5 dB higher, RL is 5 dB lower and ER is 2 dB lower for each connector added, measured at center wavelength.

    ²Absolute delay at 0 ps setting measured to the edge of the enclosure (excluding caps, boots, and pigtails).

    Package Dimensions

    1550nm Motorized Variable Optical Delay Linerqc

    Electrical Interface

    Motorized Variable Optical Delay Linenau

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