| 摘要 |
An optical module that is attachable to one end of an optical transmission medium achieves optical communications through the optical transmission medium. The optical module includes an optical element that transmits or receives an optical signal, and an optical block that is disposed in a transmission path of the optical signal and couples the optical axes of the optical element, wherein the optical block has an inclined surface the normal of which forms an angle with respect to the optical axis of the optical transmission medium, the angle being in a range of greater than 0 degree to less than 90 degree or in the range of greater than 90 degree to less than 180 degree.
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