| 摘要 |
An optical connection includes a first lens with a first strength, a second lens with a second strength weaker than the first strength, a gap between the first lens and the second lenses, and optical fibers that are connected to the first and second lenses and that provide or receive light from the first and second lenses. No intermediate image is formed, and a beam of light in the gap region is either diverging or converging. |
