5 Easy Facts About Laser Crystal Described
5 Easy Facts About Laser Crystal Described
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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。
Laser crystals are optical crystals �?ordinarily solitary crystals (monocrystalline optical materials) �?that are made use of as obtain media for good-state lasers. Typically, They're doped with both trivalent scarce earth ions or transition steel ions.
Also, some flexibility is misplaced in experiments if one particular simply cannot try out absorbers with distinct thickness or doping concentration, one example is, without exchanging the laser crystal alone.
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and likewise the higher-condition life span.
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A higher surface area excellent is of course crucial. Requirements of floor flatness are often a lot better than . This aids to stop both of those scattering losses and wavefront distortions which may degrade the laser's beam top quality. Moreover, scratch and dig requirements
The utmost feasible doping focus can depend strongly to the host materials and its fabrication process.
The host crystal is a great deal more than simply a method to fix the laser-active ions at specified positions in space. A number of Qualities from the host content are crucial:
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 apparent that various read more programs bring about quite unique prerequisites on laser attain media. Due to this, a wide selection of different crystals are employed, and creating the proper selection is important for setting up lasers with ideal functionality.
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With That idea, just one won't will need a further saturable absorber crystal, making sure that one particular may possibly make a lot more compact Q-switched laser setups with reduce internal parasitic losses. Having said that, undesired Uncomfortable side effects may additionally happen, which include acquiring unwanted valence states of the included ions or Vitality transfers.
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。