LIGHT VARIABLE ATTENUATOR

摘要: PURPOSE:To continuously perform adjustment of the rate attenuation by providing a curved reflecting mirror turnably about surface and so disposing input output optical fibers that their axes cross with as center. CONSTITUTION:A 3 is provided A 1, 2 are disposed fixed at center surface. When in solid line position, exit light from fiber 1 reflected entered to 2. The diverged axis results it converged because has face. Next, when turned dotted along but not Namely, attenuated, hence, may be made adjustable.