| 摘要 |
PURPOSE:To obtain a laser light source which can provide a further high power output laser beam with a high quality single lateral mode by using the constitution of an end pump type laser light source by a method wherein exciting laser beams are supplied to both ends of a laser medium. CONSTITUTION:In a laser light source 11, an oscillated light passage PTH through a laser medium 12 is formed by the oscillating operation of a basic wave laser beam LA12 generated in the laser medium 12 and an output laser beam 14 is emitted in accordance with the basic wave laser team A12. First and second exciting laser beam LA11 and LA13 are supplied to the first and second end planes 12A and 12B of the laser medium 12 at which the oscillated light passage PTH crosses the laser medium 12. For instance, the exciting laser beam LA11 from an exciting semiconductor laser 13 is applied to the incident plane 12A of the rod type laser medium 12 through a condensing lens system 14 and, further, the exciting laser beam LA13 a second exciting semiconductor laser 15 is applied to the emitting plane 12B of the laser medium 12 through a condensing lens system 16 and a polarization type beam spritter 17. |
