About Laser Crystal
About Laser Crystal
Blog Article
Noticeable good-condition lasers based upon laser crystals are compact and light-weight. Lasers from deep red to blue happen to be noted. Especially, there have been plenty of stories on Pr3+ doped laser crystals, and constant wave lasers about 490 nm are actually achieved. Ti∶sapphire is the most crucial get crystal for ultrafast lasers. Superintense ultrafast lasers with peak electricity starting from many hundred terawatts to ten petawatts require significant-high-quality and large-sized Ti∶sapphire crystal. The origin of defect connected optical absorption in Ti∶sapphire and The expansion of huge-sized superior-high quality crystals are two important concerns that urgently should be dealt with. Recently, we analyzed the system of defect similar optical absorption in Ti∶sapphire theoretically, and grew big-sized high-quality crystals via warmth Trade strategy. The most crucial activating ions for one μm laser crystals are Nd3+ and Yb3+. Nd∶YAG is definitely the most generally utilized laser crystal. Lately, we explored many new Nd3+ doped fluoride and oxide laser crystals, and solved the emission cross area trouble of Nd∶Lu3Al5O12. SIOM documented a whole new sort of laser crystal Yb∶GdScO3, of which the acquire bandwidth is about eighty five nm. The commonly used website activation ions for 2 μm laser crystals are Tm3+ and Ho3+. Tm3+ is usually right pumped by laser diode. Ho3+ has greater stimulated emission cross part, and its emission wavelength is lengthier than two μm. We researched The expansion, spectroscopy, and laser general performance of Tm∶LiYF4, Tm∶LiLuF4, Ho∶LiYF4, Tm,Ho∶LiYF4, and Tm,Ho∶LiLuF4 crystals.
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。
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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。
作为工业上使用较多的都是高掺钇铝石榴石，也就是说掺入不同的元素来达到不同的效果；作为工业激光，关注以下性能：
激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成，激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时，则构成自激活激光晶体。
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。
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。
激光晶体的效率在很大程度上依赖于某些属性，这些属性不仅限于其基本组成。这些特性决定了产生的激光光束的质量和随后的应用。
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Individuals surfaces which can be handed with the laser beam are Usually either oriented at Brewster's angle or have an anti-reflection coating.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 components laser crystal crystal expansion optical general performance rare earth ions transition group ions
GWU-Lasertechnik has over thirty many years of knowledge in distributing laser crystals. Choose GWU to gain from our huge information and in-discipline experience!
Applying our promoting offer, you'll be able to Display screen your logo, more down below your item description, and these will been witnessed by a lot of photonics professionals.
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。