The Greatest Guide To Laser Crystal
The Greatest Guide To Laser Crystal
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The most typical laser-Energetic uncommon earth ions and host media together with some common emission wavelengths are shown in the subsequent 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。
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。
Moreover, some overall flexibility is shed in experiments if 1 are not able to Check out absorbers with unique thickness or doping focus, as an example, devoid of exchanging the laser crystal alone.
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions and in addition the higher-state life time.
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。
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。
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。
Some laser crystal components are actually demonstrated wherever some saturable absorber material is integrated for passive Q switching of a laser.
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。
For quasi-3-level laser attain media or maybe three-amount obtain media, 1 normally has to limit the size to a worth and that is as well short for successful pump absorption, as reabsorption effects would usually spoil the overall performance. For aspect pumping, supplemental factors occur into Perform; Moreover economical pump absorption, it is important to obtain a suitable spatial form on the get profile.
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There exists a variety of crystalline media, that may be grouped in accordance to big atomic constituents and crystalline buildings. Some important groups of crystals are:
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。