Facts About Laser Crystal Revealed

Facts About Laser Crystal Revealed

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The commonest laser-Lively rare earth ions and host media along with some common emission wavelengths are shown in the following table:

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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（laser crystal），可将外界提供的能量通过光学谐振腔转化为在空间和时间上相干的具有高度平行性和单色性激光的晶体材料。是晶体激光器的工作物质。

Which geometry, dopant and doping concentration in the obtain medium are most advantageous rely on a number of elements. The available pump resource (style of laser diode or lamp) plus the envisaged pumping arrangement are very important aspects, but the material by itself also has some influence. As an example, titanium–sapphire lasers need to be pumped with high intensities, for which the shape of the transversely cooled rod, operated with comparatively little pump and laser beam diameter, is a lot more acceptable 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 Yet another case in point, Q-switched lasers attain the next inhabitants density within the upper laser amount and are for that reason more sensitive to quenching results and Power transfer processes; thus, a lower doping density is often appropriate for these units. For prime-ability lasers, lessen doping densities are often used to Restrict the density of warmth era, Despite the fact that skinny-disk lasers perform greatest with very doped crystals. Numerous laser goods don't get to the whole effectiveness prospective since such facts haven't been thoroughly worked 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。

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It is apparent that distinct programs produce extremely different prerequisites on laser get media. This is why, a wide selection of different crystals are employed, and generating the correct selection is essential for constructing lasers with the best possible general performance.

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For several reasons, composite crystals have gotten popular. These Possess a spatially various chemical composition and will be produced with Unique styles.

With That idea, one does not need yet another saturable absorber crystal, so that a person may perhaps make additional compact Q-switched laser setups with decreased inner parasitic losses. On the other hand, undesired Uncomfortable side effects can also occur, such as acquiring unwanted valence states with the read more concerned ions or energy transfers.

激光晶体（laser crystal），可将外界提供的能量通过光学谐振腔转化为在空间和时间上相干的具有高度平行性和单色性激光的晶体材料。是晶体激光器的工作物质。