Laser Crystal Secrets
Laser Crystal Secrets
Blog Article
The most common laser-active uncommon earth ions and host media along with some common emission wavelengths are demonstrated in the following desk:
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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。
Additionally, some versatility is missing in experiments if a person can't try out absorbers with distinct thickness or doping concentration, by way of example, without having exchanging the laser crystal by itself.
Which geometry, dopant and doping concentration on the achieve medium are most beneficial depend upon several factors. The available pump resource (style of laser diode or lamp) plus the envisaged pumping arrangement are very important aspects, but the material alone also has some affect. As an example, titanium–sapphire lasers need to be pumped with high intensities, for which the shape of a transversely cooled rod, operated with rather small pump and laser beam diameter, is more suitable than e.
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。
Naturally, it is rather appealing that a offered crystal excellent is developed constantly, Even though different laser layouts may have a different sensitivity to product parameters.
The maximum doable doping concentration can rely strongly around the host substance and its fabrication technique.
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。
量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。
It is Laser Crystal obvious that diverse programs bring about really various specifications on laser attain media. Due to this, a wide selection of different crystals are used, and earning the proper choice is important for constructing lasers with the best possible functionality.
Various crystalline elements are incredibly unique concerning their hardness and also other Qualities, which ascertain with which techniques And just how easily they can be Minimize and polished with top quality.
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There is certainly a wide array of crystalline media, which can be grouped in accordance to big atomic constituents and crystalline structures. Some important teams of crystals are:
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