Motorized Variable Optical Delay Line MDL - General Photonics Corporation
 
Motorized Variable Optical Delay Line MDL
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  Products > Modules > Time/Delay Management > Motorized Variable Optical Delay Line
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Motorized Variable Optical Delay Line
  Compact size
  High resolution
  Low backlash
  Low insertion loss
  High stability
  Long delay range
Quotation:Call: (909)590-5473
Email: sales@generalphotonics.com
Description

General Photonics’ motorized variable optical delay line provides precision optical path length adjustment of up to 560 ps. Driven by a DC motor with an integrated encoder, the MDL-002 has a delay resolution of less than 0.3µm (1 fs), and an extremely low backlash of less than 8 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. The MDL-002 is available in two configurations: with a separate control unit and optical head for incorporation into other equipment, or as an integrated unit for use as a bench-top instrument for laboratory applications. The motorized delay line can be remotely controlled by a PC through an RS-232 interface or locally controlled using the case-top keypad. It generally comes with single mode or PM fiber pigtails, although a free-space version is also available.

Specification
 Operating Wavelength SM: 1260-1650 nm
 PM: 1310 or 1550 nm ±50nm
 Optical delay range1 0 ~ 330 ps for 330 ps model
 0 ~ 560 ps for 560 ps model
 Optical delay resolution 0.3 µm or 1 fs per encoder count
 Optical delay accuracy ± 0.01 ps or ±3 µm
 Optical delay repeatability ± 0.01 ps or ±3 µm
 Insertion loss 1.0 dB nominal
 Insertion loss variation ± 0.3 dB over entire range for 330 ps model
 ±0.5 dB over entire range for 560 ps model
 PDL 0.1 dB
 Return Loss 50 dB
 Extinction ratio > 18 dB for PM model
 Optical Damage Power Threshold 300 mW
 Power supply  12VDC / 1A max.
 Control mode Panel keypad and RS-232 interface
 Display 2 x 16 character LCD
 Operating Temperature 0 ~ 40 °C
 Storage Temperature -20 °C ~ 60 °C
 Fiber type Corning SMF-28, or Fujikura PM Panda fiber
 Dimensions (Control unit/integrated version) 330 ps model: 1.6” (H) × 4.4” (W) × 7” (L)
 560 ps model : 1.6” (H) x 4.4” (W) x 9” (L)
 Dimensions (mini controller board) 2.56” (L) × 2.56” (W) × 0.85” (H)
 Dimensions (optical head) 330 ps model: 0.7” (H) x 1.46” (W) × 5.20” (L)
 560 ps model: 0.7” (H) x 1.46” (W) x 6.18” (L)
 Note:Values are referenced without connectors.
 1. The output pigtail on either the 330 ps or 560 ps model can be replaced with an internal Faraday mirror to create
 a double pass device with a total
      

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