What Does Laser Crystal Mean?
What Does Laser Crystal Mean?
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Laser modeling and simulation can be used to reliably identify the optimum crystal Proportions, doping density and possibly values of extra 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 changeover cross-sections of pump and laser transitions and also the higher-condition life span.
激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成，激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时，则构成自激活激光晶体。
For quasi-three-amount laser achieve media or simply a few-amount achieve media, one frequently needs to Restrict the length to a value which can be way too quick for effective pump absorption, as reabsorption outcomes would if not spoil the overall performance. For side pumping, additional concerns appear into play; Moreover economical pump absorption, it's important to get a suitable spatial condition from the achieve profile.
g. a thin disk. As One more instance, Q-switched lasers get to a greater inhabitants density in the higher laser degree and are consequently more delicate to quenching results and Vitality transfer processes; as a result, a reduce doping density is often suitable for these units. For prime-electrical power lasers, lower doping densities will often be accustomed to Restrict the density of heat era, Even though slender-disk lasers perform best with hugely doped crystals. Numerous laser products and solutions tend not to get to the total overall performance probable for the reason that these types of information haven't been correctly worked out.
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
A high problems threshold with regards to pulse fluence or peak depth is often essential for prime-Electricity 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：
晶体生长 晶体加工 镀膜能�?品质管理 研发能力 新闻中心
These tables contain only the most typical host crystals; lots of Many others exist, which are considerably less regularly utilised.
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People surfaces which can be passed because of the laser beam are Ordinarily possibly oriented at Brewster's angle or have an anti-reflection coating.
For different factors, composite crystals have become well-known. These Have got a spatially various chemical composition and might be built with Distinctive styles.
You can find an array of crystalline media, which may be grouped according to big atomic constituents and crystalline structures. Some crucial teams of crystals are:
With that concept, a person will not require an additional saturable absorber crystal, in order that 1 may make a lot more compact Q-switched laser setups with lessen internal parasitic losses. Nonetheless, unwelcome Negative effects might also occur, including getting undesired valence states from the involved ions or Electrical power transfers.
GWU provides all common laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so forth.) using a broad variety of requirements. In addition to the perfectly-established elements, impressive crystals with fantastic properties like Yb:CALGO can open new horizons for demanding laser purposes. Regardless of whether individual pieces for R & D purposes are required or Value-economical quantities in compact, medium or substantial batches with in-time delivery for that output line are needed: GWU’s dedicated support helps you to discover the ideal Main parts in your application.
Laser crystals are optical crystals �?commonly solitary crystals (monocrystalline optical resources) �?which can be utilized as achieve media for solid-condition lasers. Normally, These are doped with either trivalent unusual earth ions or transition metallic ions.
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。