Facts About Laser Crystal Revealed
Facts About Laser Crystal Revealed
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The most typical laser-Lively unusual earth ions and host media along with some typical emission wavelengths are revealed in the subsequent desk:
These ions empower the crystal to amplify mild for the laser wavelength through stimulated emission, when Power is provided for the crystal via absorption of pump mild (�?optical pumping
为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。
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Which geometry, dopant and doping focus in the acquire medium are most beneficial rely on quite a few factors. The available pump supply (variety of laser diode or lamp) as well as envisaged pumping arrangement are important elements, but the fabric itself also has some impact. As an example, titanium–sapphire lasers have to be pumped with substantial intensities, for which the shape of the transversely cooled rod, operated with rather tiny pump and laser beam diameter, is more proper than e.
晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。
激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。
The maximum doable doping focus can depend strongly around the host materials and its fabrication approach.
The host crystal is a great deal more than just a means to fix the laser-Energetic ions at certain positions in Room. Several Qualities of the host material are very important:
蓝宝�?柱面�?球罩 偏振�?棱镜 红外光学元件 反射�?光学窗口 非球面镜 波片 分光�?制造能力
For quasi-three-stage laser acquire media as well as three-level acquire media, one normally really should Restrict the size to a worth which happens to be too brief for effective pump absorption, as reabsorption results would if not spoil the efficiency. For side pumping, supplemental concerns occur into Enjoy; Other than effective pump absorption, it's here important to get an appropriate spatial shape from the achieve profile.
主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。
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It could be oriented for close to perpendicular incidence with the laser beam, or at Brewster's angle. It can be mounted in some reliable mount which also functions as being a heat sink. More substantial crystals are usually utilized for aspect pumping e.g. with substantial-ability diode bars.
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