密集波分复用(简称DWDM)器件是DWDM系统中的核心器件. 本文讨论了DWDM器件的
几种典型制作方案和主要特性参数的测试方法,并以实验室自行设计的4通道DWDM器件为例,设计和搭建了测试各主要参数的实验平台. 实验测试数据表明:该器件具有精确的中心波长、宽且平坦的带通、小而均匀的插入损耗以及较大的信道隔离度等特性,达到了预期设计要求.
The dense wavelength division multip lexing (DWDM) device is the core component in DWDM systems.The typ ical fabrication schemes and the measurement of p rimary characteristic parameters are p resented. Tthe ex2 periment equipments are designed and built to test the p rimary parameters of a four channelDWDM device which is fabricated in our lab. The test results indicate that the DWDM device has accurate central wavelength, wide and
flat Channel pass2band, small and even channel inserting loss and large channel isolation characteristics etc.
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