What Does Laser Crystal Mean?
What Does Laser Crystal Mean?
Blog Article
Laser modeling and simulation can be utilized to reliably figure out the optimum crystal Proportions, doping density And maybe values of added parameters.
The medium should have a significant transparency (very low absorption and scattering) in the wavelength areas of pump and laser radiation, and fantastic optical homogeneity. To some extent, this depends on the quality of the material, based on facts of the fabrication procedure.
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions and also the higher-point out life span.
This is easy to complete: just find the lock icon in front of the URL in the address bar and drag that to the bookmark toolbar Using the mouse. In case you find the bookmark entry much too extensive, you could ideal-click on it to edit the text, e.g. applying "RP Enc" in place of "RP Photonics Encyclopedia".
For quasi-a few-degree laser obtain media or perhaps a few-stage obtain media, 1 typically really should Restrict the duration to a price which can be too shorter for successful pump absorption, as reabsorption results would or else spoil the performance. For facet pumping, further concerns occur into Engage in; In addition to economical pump absorption, it is necessary to obtain an acceptable spatial shape with the obtain profile.
g. a thin disk. As another instance, Q-switched lasers arrive at a higher inhabitants density inside the higher laser level and therefore are hence much more delicate to quenching consequences and Power transfer procedures; hence, a reduce doping density is frequently suitable for these devices. For high-electricity lasers, lessen doping densities are frequently accustomed to Restrict the density of warmth generation, Even though skinny-disk lasers get the job done best with highly doped crystals. Many laser items tend not to get to the whole performance possible since these kinds of information haven't been appropriately labored out.
GWU-Lasertechnik has much more than thirty a long time of working experience in distributing laser crystals. Opt for GWU to get pleasure from our extensive understanding and in-field expertise!
A higher problems threshold with regards to pulse fluence or peak depth could be vital for prime-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 of the achieve medium are most useful depend on many things. The accessible pump supply (variety of laser diode or lamp) and also the envisaged pumping arrangement are very important things, but the material itself also has some affect. One example is, titanium–sapphire lasers ought to be pumped with high intensities, for which the form of a transversely cooled rod, operated with reasonably compact pump and laser beam diameter, is a lot more appropriate than e.
It may be oriented for around perpendicular incidence on the laser beam, or at Brewster's angle. It could be fastened in certain good mount which also functions as a heat sink. Larger crystals are often utilized for side pumping e.g. with higher-electrical power diode bars.
Below you may submit concerns and comments. In terms of they get acknowledged because of the author, they will surface previously mentioned this paragraph together with the creator’s response. The author will determine acceptance determined by particular conditions. Primarily, the issue have to be of sufficiently wide interest.
A few laser crystal products are shown where some saturable absorber product is integrated for passive Q switching of a laser.
For different explanations, composite crystals are getting to be popular. These Possess a spatially various chemical composition and may be website designed with Exclusive designs.
You can find an array of crystalline media, that may be grouped according to big atomic constituents and crystalline structures. Some critical teams of crystals are:
With That idea, one particular doesn't need an additional saturable absorber crystal, making sure that one particular might make extra compact Q-switched laser setups with reduce internal parasitic losses. Even so, unwelcome Unwanted effects might also come about, like getting unwanted valence states of your involved ions or energy 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。
Laser crystals are optical crystals �?normally single crystals (monocrystalline optical elements) �?that happen to be used as get media for stable-condition lasers. Most often, These are doped with either trivalent scarce earth ions or transition metal 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。