| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a light source device that can suppress a change in optical characteristics due to temperature rise.SOLUTION: A light source device includes a holding part 15 that holds coupling lenses 12 coupling light beams emitted from each of a plurality of light sources 11 arranged in two-dimensional pattern, where the coupling lenses 12 are located on the arrangement center 14 side on the holding part 15, and are held by the holding part 15 with fixing members 13 interposed therebetween, which are provided to each of the coupling lenses 12.</p> |
