Fiber Delay Spools


  • Our fiber spools are used to create delays from tens of nanoseconds up to hundreds of microseconds
  • Optional integrated DCF (Dispersion Control Fiber) if required
  • Our engineers can assist you in spec’ing the appropriate delay line and RFoF transceiver in designing a delay line solution
  • Pass through connector option to eliminate the need for patch cables and reduce optical loss
  • Delay accuracy of <0.1% or better
  • Custom connectors: FC, SC, LC, ST and APC/UPC type
  • 1 km of single mode fiber provides approximately 5 uS delay

Compact Spools

  • Option 1 – Up to 1 Km (5 uS) – Dimensions 6“ x 4.5“ x 1"
  • Option 2 – Up to 6 Km (30uS) – Dimensions 8.25“ x 7“ x 1.5"
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Portable Spools

FL8 Enclosure (10“ x 10“ x 5“)

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  • Up to 30 Km (150 microsec)

FL16 Enclosure (10“ x 10“ x 10“)

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  • Up to 60 Km (300 microsec)

Modular Chassis Based Spool Systems

FL-Flex (6 RU Chassis)

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  • Up to 9 modules totaling 240 km (1,200 microsec)

FL-TFlex (6 RU Enclosure)

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  • Up to 3 modules totaling 80 km (400 microsec)
  • Modules are interchangeable with the 6RU chassis

Fixed Chassis Based Spool Systems

FL750 (3 RU Chassis)

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  • Up to 6 spools totaling 150 km (750 microsec)
  • Fixed spools

FL250 (1 RU Chassis)

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  • Up to 12 spools totaling 30 km (150 microsec)
  • Fixed spools

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