Not known Details About Laser Crystal
Not known Details About Laser Crystal
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The most typical laser-active uncommon earth ions and host media along with some normal emission wavelengths are demonstrated in the following desk:
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。
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。
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Which geometry, dopant and doping concentration from the acquire medium are most useful count on many variables. The readily available pump resource (variety of laser diode or lamp) as well as envisaged pumping arrangement are crucial components, but the fabric itself also has some impact. For example, titanium–sapphire lasers must be pumped with large intensities, for which the shape of the transversely cooled rod, operated with comparatively tiny pump and laser beam diameter, is more ideal than e.
晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。
A higher floor top quality is of course significant. Specifications of floor flatness tend to be much better than . This assists to stay away from each scattering losses and wavefront distortions that may degrade the laser's beam top quality. On top of that, scratch and dig specifications
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 a great deal more than just a way to repair the laser-active ions at selected positions in Area. A variety of Qualities of your host content are important:
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
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Diverse crystalline resources are quite distinct regarding their hardness and other Attributes, which establish with which strategies And exactly how quickly they may be Lower and polished with good quality.
For different motives, composite crystals have gotten common. These Use a spatially various chemical composition and may be produced with Unique shapes.
With that concept, a single isn't going to will need yet another saturable absorber crystal, to make sure that one might make a lot more compact Q-switched laser setups with reduced internal parasitic losses. Nevertheless, unwanted Unwanted side effects might also occur, such as obtaining unwanted Laser Crystal valence states from the involved ions or Electrical power transfers.
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。