Fiber-optic communication network supports the coming multimedia based society. The introduction of a fiber-optic communication system is indispensable for transmitting audio data, as has been conventionally performed, in addition to transmitting large-volume data such as movie data freely. As the refrection in the bifurcation of optical fiber causes amplifier or laser diode failure, it has become a problem alongside the widening of services. The SMM optical isolator can solve this problem. Therefore, SMM supports the coming multimedia based society.
Control of light is important in WDM (wavelength division multiplex transmission) technology. The Faraday rotator plays the role of making a one-way path for light by utilizing the magnetooptic phenomena unique to particular materials. We produce Faraday rotators with various characteristics by utilizing the magnetic film forming technology based on the liquid phase epitaxial method.
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