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美國安科特納JDSU?
JDSU安科特納為目前全球最大光纖零件供應商，光通訊領域巨頭之一。JDSU安科特納的光器件幾乎覆蓋光通信領域的所有光器件，從無源到有源，從芯片到模塊到JDSU安科特納儀器，發展成為光電器件的大哥大。2003年，JDSU位置第一，從現有的數據顯示，JDSU仍穩置世界第一的地位。

JDSU (NASDAQ: JDSU; and TSX: JDU) innovates and markets diverse technologies that enhance the way people experience the world every day. We enable fast, high-quality communications, secure financial transactions, reliable consumer electronics, green energy, differentiated brands and a host of other solutions. We provide these solutions through three business segments: Communications Test and Measurement, Communications