| 摘要 |
<p>An optical device of this invention includes; a semiconductor laser chip having an emitting end face for emitting laser light; a transparent substrate, allowing the laser light to transmit therethrough, having a first surface, and having a second surface facing the first surface; and a silicon substrate, located above the transparent substrate, having an oblique surface inclined with respect to the second surface, and having a parallel surface parallel to the second surface; wherein the semiconductor laser chip is located on the oblique surface of the silicon substrate; and the laser light emitted from the semiconductor laser chip propagates through the transparent substrate in a zigzag manner between the first surface and the second surface.</p> |
