MDL-003 Product
MDL-003

Miniature Motorized Variable Optical Delay Line

The MDL-003 is a small motorized delay line for OEM applications. It uses a stepper motor and dual position sensors for precise delay control.

Product Description

The MDL-003 is a fiber coupled delay line with the delay adjustment path in free space. It is designed for OEM applications that require continuous scanning capability and a small footprint. The standard device has a delay range of 100 ps. An internal mirror can also be installed to cause light to double pass the device, doubling the delay range. It uses a stepper motor and two position sensors for delay control. The single-pass version is available with SM or PM pigtails.

  • Key Features
    • Compact
    • Stepper motor
    • High stability
    • High reliability
  • Specifications
    Center wavelengths (λc)

    SM, single pass: 1310/1550 dual window, 1060, or 840nm

    SM, double pass: 1310 or 1550nm
    PM, single pass: 1310, 1550, 1060, or 840nm

    Wavelength range λc ±50nm
    Optical delay range Single-pass: 100 ps
    Double-pass: 200 ps
    Optical delay resolution 30µm, single pass at maximum speed
    Optical delay accuracy ±40µm, single pass at maximum speed
    Optical delay repeatability ±40µm, single pass at maximum speed
    Actuation speed 50 ps/s max (single pass)
    IL 1.0 dB (1310/1550nm single pass)
    IL variation over delay range ±0.3 dB (1310/1550nm single pass)

    For full specifications, please download the data sheet.

  • Documentation

Solutions and Applications

The MDL-003 is useful for short range optical path adjustments and scanning. Applications include optical coherence tomography (OCT) and other interferometric systems and network optical length control and timing alignment. An MDL can be used in conjunction with a fiber stretcher or phase shifter for coarse and fine delay adjustments.

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