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JDSU 1480/1550+1590 nm filter wavelength division multiplexers (WDMs) use interference filter technology to separate or combine pump laser and optical signals. With wide bandwidth, low insertion and low temperature dependent loss, they are ideal for use in optical amplifier and CATV applications. * Low temperature dependent loss http://products.jdsu.com/assets/public/pdf/WDM_Filter_1480_Pump_092905a.pdf |