Facts About Laser Crystal Revealed

The most common laser-Lively exceptional earth ions and host media together with some regular emission wavelengths are revealed in the next table:

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Laser crystals are optical crystals �?ordinarily one crystals (monocrystalline optical components) �?which can be utilized as get media for reliable-point out lasers. In most cases, they are doped with possibly trivalent exceptional earth ions or transition steel ions.

In addition, some overall flexibility is shed in experiments if a person are unable to try out absorbers with different thickness or doping focus, as an example, with out exchanging the laser crystal itself.

Which geometry, dopant and doping focus of the get medium are most beneficial count on numerous variables. The obtainable pump supply (kind of laser diode or lamp) and also the envisaged pumping arrangement are important components, but the fabric by itself also has some affect. Such as, titanium–sapphire lasers need to be pumped with superior intensities, for which the shape of a transversely cooled rod, operated check here with comparatively modest pump and laser beam diameter, is a lot 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。

激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。

亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。

The host crystal is way more than just a means to fix the laser-Energetic ions at sure positions in Room. A variety of Qualities with the host product are very important:

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 clear that different applications bring about incredibly unique requirements on laser attain media. Due to this, a wide vary of different crystals are utilized, and creating the appropriate selection is essential for setting up lasers with optimum general performance.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 supplies laser crystal crystal progress optical efficiency exceptional earth ions transition group ions 

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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。