The Basic Principles Of Laser Crystal

The Basic Principles Of Laser Crystal

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The most common laser-Energetic uncommon earth ions and host media together with some regular emission wavelengths are revealed in the following table:

激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。

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The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and also the upper-point out lifetime.

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活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。

探索激光晶体的领域，可以让我们看到科学和技术相结合的奇迹，为我们带来了令人难以置信的进步。这些激光晶体，每一种都在组成和特性上独具匠心，是推动现代世界众多应用的动力。

Laser modeling and simulation may be used to reliably ascertain the optimum crystal dimensions, doping density And perhaps values of more parameters.

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For quasi-three-stage laser achieve media as well as a few-amount acquire media, just one frequently must limit the length to a price that is way too shorter for productive pump absorption, as reabsorption effects would or else spoil the overall performance. For facet pumping, additional things to consider arrive into Engage in; Moreover efficient pump absorption, more info it is vital to get a suitable spatial shape with the attain profile.

Unique crystalline products are quite distinct relating to their hardness together with other Houses, which establish with which techniques and how quickly they may be Minimize and polished with high quality.

The medium must have a higher transparency (minimal absorption and scattering) during the wavelength locations of pump and laser radiation, and great optical homogeneity. To some extent, this will depend on the standard of the fabric, determined by aspects with the fabrication approach.

It could be oriented for close to perpendicular incidence of your laser beam, or at Brewster's angle. It could be fixed in certain sound mount which also functions like a warmth sink. Larger sized crystals are frequently useful for aspect pumping e.g. with high-electricity diode bars.

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。