The Optical Delay Line (ODL) provides true time delay of wideband RF signals using a low loss optical fiber. The Input RF signal is converted to an optical signal, delayed by one or more single-mode optical fiber sections and is converted back into RF signal at the output. From the perspective of the RF signal, the ODL looks like a long distance wideband RF link with minimum loss and distortion. In its simplest form the ODL system has only one fixed delay section which is always engaged.
RFOptic offers 2 types of Optical Delay Line solutions
Progressive Optical Delay Line has an optical switching arrangement that is capable of cascading a number of fiber sections to deliver a range of many discrete delays.
RFoF optical delay line is a cost effective standalone solution when one or few discrete delay lines are required
Optical Delay Line solutions are used for testing and calibrating:
- Radars
- Altimeters
- Flight Simulators
- Any equipment that measures distance, altitudes
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- Unity Gain
- Automatic Gain Control
- Dispersion Compensation
- Ability to add external delay line for future growth (Investment Protection)
- Fixed or Variable Delay
- Bypass
- Attenuator