| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent the unevenness in a light source device, and to realize effective cooling as well. <P>SOLUTION: In the light source device, an optical axis changing means of changing an optical axis is arranged on the optical axis of light emitted from a light source, further, a fan is integrally provided at the optical axis changing means, and a rotary mechanism of rotating the optical axis changing means and the fan is provided. Further, as the optical axis changing means, a dove prism in which an incident direction is arranged on the optical axis is used. <P>COPYRIGHT: (C)2007,JPO&INPIT |
