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.
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It is especially useful in coherent detection systems for adjusting phase or delay differences between signals. The VDL-002 eliminates the VSWR problems of RF phase shifters for high frequency and broadband signals, especially at 40 and 100Gbps. A single device can be used for
any data rate, simplifying inventory management.