Multiwavelength data communication fiber link

摘要: An optical multi-channel data communication link transmits from a transmitter to remote receiver. The includes multimode laser diode source connected the transmitter, device for modulating with each channel of generate modulated light wave, and wavelength division multiplexing at transmitter. has paraxial optics waves produce multiplexed signal. Multimode fiber optic means are multiplexer pass signal A demultiplexing signals receiver demultiplexed waves. Each converted use by Preferably, demultiplexer littrow reflecting grating lens which paraxially aligned provide separation less than 50 nm.