1310nm 1490nm 1550nm Optical Fwdm, 2.0mm SC/APC ABS Box
FWDM is a kind of WDM multiplexer based on the Thin Film Filter (TFF) technology. The FWDM combines or separates light at different wavelengths in a wide wavelength range and is extensively used in EDFA, amplifiers, and WDM optical networks