About Laser Crystal
About Laser Crystal
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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 分光镜
These ions permit the crystal to amplify gentle with the laser wavelength by means of stimulated emission, when Electricity is equipped to your crystal by means of absorption of pump gentle (�?optical pumping
Laser crystals are optical crystals �?typically one crystals (monocrystalline optical products) �?which happen to be utilised as achieve media for reliable-condition lasers. Normally, they are doped with both trivalent exceptional earth ions or transition metallic ions.
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Which geometry, dopant and doping concentration on the acquire medium are most useful rely on quite a few aspects. The available pump supply (form of laser diode or lamp) as well as envisaged pumping arrangement are very important variables, but the fabric itself also has some affect. For instance, titanium–sapphire lasers ought to be pumped with substantial intensities, for which the form of a transversely cooled rod, operated with fairly small pump and laser beam diameter, is a lot 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。
g. a skinny disk. As One more illustration, Q-switched lasers reach a greater inhabitants density during the upper laser degree and so are hence extra delicate to quenching consequences and Strength transfer processes; for that reason, a lessen doping density is usually suitable for these units. For top-electric power lasers, decrease doping densities are often utilized to limit the density of heat technology, Whilst skinny-disk lasers perform finest with hugely doped crystals. A lot of laser merchandise don't reach the whole overall performance possible for the reason that these types of information have not been thoroughly worked out.
Laser modeling and simulation can be employed to reliably figure out the the best possible crystal dimensions, doping density And perhaps values of added parameters.
量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。
For quasi-a few-degree laser obtain media as well as a few-stage gain media, one usually must limit the size to a price which is far too brief for productive pump absorption, as reabsorption results would or else spoil the overall performance. For aspect pumping, supplemental issues occur into play; Apart from successful pump absorption, it is important to get an acceptable spatial form from the get profile.
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GWU-Lasertechnik has in excess of thirty a long time of working experience in distributing laser crystals. Pick GWU to take pleasure in our vast know-how and in-area practical experience!
It may be oriented for around perpendicular incidence with the laser beam, or at Brewster's angle. It might be fixed in some sound mount which also acts for a warmth sink. Larger sized crystals are usually used for aspect pumping e.g. with large-electricity diode bars.
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