11-18 Bit MEMS Variable Fiber Optical Time Delay Line

Customer-defined delay fiber loop with up to 18 bit resolution
Features:
  • 7-bit Resolution or more
  • High Speed
  • High Reliability
  • Fail-Safe Latching
  • Low Insertion Loss
  • Low Power Consumption

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SKU: METD

The MEMS Series 18-bit Photonic Time Delay digitally varies the delay time inside a fiber with an exceptionally large range (maximum delay) and precision (bit). It selectively routes optical signals through N fiber loops whose lengths increase successively by a power of 2. Since each switching element allows the signal to either pass or bypass a fiber loop, a delay T may be inserted, which can take any value (in increments of DT) up to the maximum value T.

This is achieved using our patent pending MEMS configuration and activated via an electrical control signal. Latching operation preserves the selected optical path after the drive signal has been removed. The unit is a completed module with a built-in driver.

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