| 摘要 |
PROBLEM TO BE SOLVED: To provide a light source device capable of stable output control, with a simple configuration.SOLUTION: A light source device 1 includes a light output part 10 which includes a solid light source 11 and emits light emitted from the solid light source 11 to the outside, a first optical fiber 21 which includes an incident end on which a part of the light emitted from the light output part 10 is made incident, a light detection element 22 which is optically coupled to the emission end of the first optical fiber 21 and detects a part of the light made incident on the first optical fiber 21, and a control part 30 which controls the output of the solid light source 11 on the basis of the detection result of the light detection element 22.SELECTED DRAWING: Figure 1 |
