Rumored Buzz on Laser Crystal
Rumored Buzz on Laser Crystal
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Laser modeling and simulation can be used to reliably decide the the best possible crystal dimensions, doping density and possibly values of supplemental parameters.
人造红宝石激光晶体是首次实现激光输出的材料。可用焰熔法、提拉法或助熔剂法生产单晶。用提拉法容易获得大尺寸优质晶体。
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions in addition to the higher-point out life span.
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For quasi-a few-stage laser gain media or maybe 3-level achieve media, a person often needs to limit the length to a value that's way too short for economical pump absorption, as reabsorption consequences would otherwise spoil the efficiency. For side pumping, supplemental factors arrive into play; Apart from successful pump absorption, it is vital to acquire an acceptable spatial shape from the gain profile.
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A large damage threshold regarding pulse fluence or peak depth can be critical for top-energy amplifiers.
作为工业上使用较多的都是高掺钇铝石榴石，也就是说掺入不同的元素来达到不同的效果；作为工业激光，关注以下性能：
Which geometry, dopant and doping focus with the attain medium are most useful count on various things. The available pump resource (style of laser diode or lamp) plus the envisaged pumping arrangement are very important variables, but the material alone also has some affect. Such as, titanium–sapphire lasers need to be pumped with superior intensities, for which the form of the transversely cooled rod, operated with reasonably tiny pump and laser beam diameter, is a lot more acceptable than e.
It may be oriented for around perpendicular incidence from the laser beam, or at Brewster's angle. It could be set in a few solid mount which also acts to be a heat sink. Greater crystals are frequently useful for side pumping e.g. with substantial-power diode bars.
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Several laser crystal supplies are already shown where some saturable absorber substance is incorporated for passive Q switching of a laser.
For a variety of reasons, composite crystals have gotten well-known. These have a spatially varying chemical composition and might be created with Distinctive shapes.
There may be a variety of crystalline media, which can be grouped according to important atomic constituents and crystalline constructions. Some crucial teams of crystals are:
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
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It is apparent here that unique applications cause very diverse specifications on laser achieve media. For this reason, a broad selection of different crystals are applied, and making the best option is important for setting up lasers with ideal general performance.
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。