About Laser Crystal
About Laser Crystal
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激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
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。
激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
Which geometry, dopant and doping focus with the gain medium are most useful count on quite a few things. The out there pump resource (form of laser diode or lamp) along with the envisaged pumping arrangement are essential elements, but the fabric itself also has some impact. One example is, titanium–sapphire lasers must be pumped with higher intensities, for which the shape of the transversely cooled rod, operated with rather modest pump and laser beam diameter, is more ideal 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。
活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。
g. a skinny disk. As another illustration, Q-switched lasers achieve the next population density from the higher laser level and therefore are hence much more sensitive to quenching outcomes and Electricity transfer processes; as a result, a decrease doping density is frequently suitable for these products. For top-ability lasers, lower doping densities are often used to Restrict the density of warmth era, While slim-disk lasers get the job done finest with remarkably doped crystals. Quite a few laser merchandise tend not to reach the complete overall performance potential click here because these types of information have not been correctly labored out.
激光晶体的效率在很大程度上依赖于某些属性，这些属性不仅限于其基本组成。这些特性决定了产生的激光光束的质量和随后的应用。
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
For quasi-three-amount laser achieve media and even a few-stage gain media, a person typically must Restrict the length to a price that is far too quick for productive pump absorption, as reabsorption consequences would normally spoil the performance. For aspect pumping, supplemental factors appear into Participate in; Apart from successful pump absorption, it is important to obtain a suitable spatial form on the get 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。
For different causes, composite crystals are becoming preferred. These Have a very spatially various chemical composition and will be manufactured with Specific shapes.
It might be oriented for in close proximity to perpendicular incidence of your laser beam, or at Brewster's angle. It may be mounted in a few reliable mount which also acts like a heat sink. Greater crystals are generally utilized for side pumping e.g. with high-ability diode bars.
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