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POTASSIUM FLUOROBORATOBERYLLATE CRYSTAL OBLIQUE-INCIDENCE LASER SECOND HARMONIC GENERATOR
POTASSIUM FLUOROBORATOBERYLLATE CRYSTAL OBLIQUE-INCIDENCE LASER SECOND HARMONIC GENERATOR
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机译:氟硼硼苯甲酸钾晶体斜入射激光二次谐波发生器
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摘要
A potassium fluoroboratoberyllate crystal oblique-incidence laser frequency multiplier, comprising: a flake-like potassium fluoroboratoberyllate crystal having parallel front and back polished surfaces; a front antireflection film and a back antireflection film; a columnar crystal support provided with a square holding slot and a light through-hole; and external heating jackets; the crystal is disposed in the square holding slot, the front and back surfaces of the crystal conforming to a main surface of the square holding slot, a normal of the main surface of the holding slot forming an angle θ with the central axis of the crystal support; a laser at a fundamental frequency passes through the front antireflection film, and a frequency-multiplied laser generated in the crystal is transmitted out through the back antireflection film. The present invention has a simple structure and a low cost, and is suitable for medium-and high-power laser systems.
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