General Photonics Manual Variable Optical Delay Line VDL-001 generates optical delays up to 600 ps (~18 cm).
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- Optical Delay Control - Time Delay Coils
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Delaylines
Winding a large fiber spool is easy, but making compact, low loss fiber coils requires attention, precision, and skill.
The VDL-002 is a miniaturized variable optical delay line designed specifically for OEM applications. With a delay range of up to 250 ps, this device is a superior replacement for the variable RF phase shifters inadequately adapted from the RF/wireless field for fiber optic communications.
A suite of advanced polarization test instruments specially designed for testing the quality of fiber coils ensures the consistent production of high performance coils. GPCs' PM coils can be wound with different winding patterns such as quadrupole, octupole, or other types to minimize the Shupe effect, which degrades the performance of a fiber gyro under temperature-varying conditions.
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