A Review Of Laser Crystal
A Review Of Laser Crystal
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The commonest laser-Lively uncommon earth ions and host media together with some common emission wavelengths are proven in the next 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。
激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
Which geometry, dopant and doping concentration of your achieve medium are most beneficial depend on various aspects. The readily available pump source (kind of laser diode or lamp) and the envisaged pumping arrangement are important components, but the material by itself also has some impact. Such as, titanium–sapphire lasers ought to be pumped with significant intensities, for which the shape of the transversely cooled rod, operated with rather compact pump and laser beam diameter, is a lot more appropriate than e.
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激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。
g. a skinny disk. As A further example, Q-switched lasers attain a better populace density from the higher laser stage and they are hence more sensitive to quenching consequences and Power transfer processes; consequently, a reduce doping density is often appropriate for these gadgets. For high-power lasers, lower doping densities tend to be used to Restrict the density of warmth era, Despite the fact that skinny-disk lasers perform read more greatest with extremely doped crystals. Many laser products never get to the total efficiency possible because these types of facts have not been correctly labored out.
A couple of laser crystal elements have already been shown the place some saturable absorber materials is included for passive Q switching of a laser.
激光晶体的核心由固态晶体材料组成，通常掺杂了某些能够通过受激发射产生光放大的离子。这些离子的性质对激光晶体的性能起决定作用。
It is obvious that distinct programs lead to very distinctive necessities on laser get media. For that reason, a broad range of various crystals are employed, and producing the ideal decision is essential for developing lasers with ideal overall performance.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 elements laser crystal crystal development optical efficiency uncommon earth ions changeover team ions
In 2017, we created the earth’s major Ti∶sapphire crystal (Φ235 mm), which supported The ten PW laser output of Shanghai Superintense Ultrafast Laser Facility. The development of Yb and Tm doped GdScO3 laser crystals with incredibly large emission spectra drives the event of laser diode pumped ultrafast good-state lasers. With the increase in pulse Vitality, peak power, and repetition price of stable-condition lasers, laser crystals will acquire to larger sized dimensions, increased crystal excellent, and controllable important efficiency.
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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。