A Simple Key For Laser Crystal Unveiled

A Simple Key For Laser Crystal Unveiled

Blog Article

Distinct crystalline resources are extremely unique about their hardness and various Homes, which determine with which procedures And just how simply they can be Slice and polished with top quality.

The medium ought to have a large transparency (very low absorption and scattering) in the wavelength regions of pump and laser radiation, and great optical homogeneity. To some extent, this depends on the caliber of the fabric, determined by facts in the fabrication procedure.

The host crystal is a great deal more than simply a way to repair the laser-Lively ions at selected positions in Area. Several Qualities of the host material are important:

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。

The most probable doping concentration can count strongly on the host content and its fabrication system.

g. a skinny disk. As Yet another illustration, Q-switched lasers arrive at a greater populace density in the upper laser degree and so are therefore far more delicate to quenching results and Power transfer procedures; as a result, a decrease doping density is often appropriate for these gadgets. For high-ability lasers, lessen doping densities are sometimes accustomed to limit the density of heat era, Though slender-disk lasers perform best with really doped crystals. Lots of laser products and solutions never reach the complete performance probable for the reason that this kind of information have not been effectively 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

Moreover, some adaptability is missing in experiments if one can not try out absorbers with distinct thickness or doping concentration, such as, without the need of exchanging the laser crystal by itself.

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 from the gain medium are most beneficial depend upon several aspects. The offered pump resource (kind of laser diode or lamp) along with the envisaged pumping arrangement are crucial factors, but the material by itself also has some affect. Such as, titanium–sapphire lasers have to be pumped with large intensities, for which the form of a transversely cooled rod, operated with comparatively modest pump and laser beam diameter, is much more acceptable than e.

These tables incorporate only the most common host crystals; quite a few Other folks exist, that more info happen to be considerably less often used.

The commonest laser-active exceptional earth ions and host media along with some typical emission wavelengths are shown in the subsequent table:

These surfaces which might be handed by the laser beam are Generally possibly oriented at Brewster's angle or have an anti-reflection coating.

For many causes, composite crystals are getting to be well-liked. These Use a spatially varying chemical composition and may be built with Distinctive designs.

There is a variety of crystalline media, which may be grouped in accordance to important atomic constituents and crystalline buildings. Some significant teams of crystals are:

With That idea, a person does not need to have an additional saturable absorber crystal, making sure that one particular may well make extra compact Q-switched laser setups with decreased inner parasitic losses. On the other hand, unwelcome side effects might also manifest, including obtaining unwelcome valence states of your included ions or Electricity transfers.

搜狗百科词条内容由用户共同创建和维护，不代表搜狗百科立场。如果您需要医学、法律、投资理财等专业领域的建议，我们强烈建议您独自对内容的可信性进行评估，并咨询相关专业人士。

It is apparent that distinctive apps lead to pretty distinctive needs on laser get media. For that reason, a wide range of different crystals are applied, and making the correct decision is important for developing lasers with the best possible efficiency.

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。