| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light source device capable of converging light well on a converging region even with one having a large number of light sources. <P>SOLUTION: In the light source device equipped with a semiconductor laser array 1a, a collimator lens array 2a for paralleling light beams from the semiconductor lens array 1a, and a converging lens 3 for converging the light beams paralleled by the collimator lens array 2a, the converging lens 3 has an incident face flat and an irradiating face hyperboloid, and a nearly maximum direction of each emission angle of the semiconductor laser array 1a and an irradiation direction including a light axis of the converging lens are made in conformity with each other. <P>COPYRIGHT: (C)2012,JPO&INPIT |
