Koshin Kogaku Co., Ltd

Koshin Kogaku has been providing customized module products for more than 30 years.

Actual Achievements

  • Optical modules for combination and split of light
  • 3-port (combination of 2 light) module
  • 4-port (combination of 3 light) module
  • 5-port (combination of 4 light) module
  • 6-port (combination of 5 light) module
  • Optical branchng module Branching ratio 50:50
  • Polarization split/combination module
  • Variable optical delay device Amount of delay ・・nsec
  • LD-Optical fiber coupling module
  • PD-Optical fiber coupling module
  • The measurement by using optical fiber jig unit