Micro-Optic Wavelength Division Multiplexer (MWDM) is based on thin-film filter technology and patented athermal platform systems for optical devices. The MWDM1310/1550 is used to combine or separate 1310nm and 1550nm band signals. This device offers a very flat and wide passband, low insertion loss, and high isolation, which make it ideal for Optical Amplification Systems and WDM Network applications. MWDM devices are Bellcore GR -1221 qualification tested and are in compliance with industry green initiatives such as Rohs and WEEE. All products are epoxy-free in the optical path.