| 主权项 |
1. A fiber optic sub-assembly, comprising:
a printed circuit board having opposed first and second surfaces, wherein one of the first and second surfaces is an upper surface of the printed circuit board and the other of the first and second surfaces is a lower surface of the printed circuit board; and a total internal reflection sub-assembly supported by the printed circuit board and defining an optical path, the total internal reflection sub-assembly comprising:
an active device electrically coupled to the printed circuit board, the active device being configured to emit light normal to the first or second surface of the printed circuit board or to collect light directed toward the active device;a lens spaced apart from the active device and positioned in the optical path, the lens being configured to collect the light emitted by or concentrate the light directed to the active device; andan optical turning member configured to change the direction of the optical path; wherein at least a portion of the optical path between the active device and lens is located between the first and second surfaces of the printed circuit board. |
