Helping The others Realize The Advantages Of Laser Crystal
Helping The others Realize The Advantages Of Laser Crystal
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The most common laser-Lively exceptional earth ions and host media along with some regular emission wavelengths are demonstrated 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。
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The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions as well as the higher-point out life span.
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Needless to say, it is extremely attractive that a supplied crystal top quality is created continually, Despite the fact that distinct laser layouts may have a different sensitivity to material parameters.
The utmost possible doping concentration can rely strongly over the host materials and its fabrication strategy.
The host crystal is much more than just a means to repair the laser-Lively ions at certain positions in Area. Numerous properties from the host materials are essential:
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。
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材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 resources laser crystal crystal expansion optical performance uncommon earth ions transition group ions
In 2017, we developed the globe’s largest Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The development of Yb and Tm doped GdScO3 laser crystals with particularly large emission spectra drives the development of laser diode pumped ultrafast sound-point out lasers. With the increase in pulse Vitality, peak electric power, and repetition rate of strong-condition lasers, laser crystals will more info build toward much larger dimensions, better crystal high-quality, and controllable vital effectiveness.
With That idea, one particular will not want an additional saturable absorber crystal, to ensure that one may perhaps make additional compact Q-switched laser setups with decrease internal parasitic losses. However, undesired Uncomfortable side effects could also arise, such as getting undesirable valence states of your included ions or energy transfers.
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