Little Known Facts About Laser Crystal.
Little Known Facts About Laser Crystal.
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These tables contain only the most typical host crystals; lots of Other individuals exist, that are considerably less frequently utilized.
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激光晶体是固态激光器的核心。它们是光放大发生的媒介，产生激光束。在这篇全面指南中，我们深入探讨激光晶体的世界。
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The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions and also the higher-point out lifetime.
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。
Some laser crystal elements happen to be demonstrated exactly where some saturable absorber materials is incorporated for passive Q switching of the 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。
For quasi-three-degree laser attain media and even a few-level acquire media, a single typically must Restrict the length to a price and that is much too quick for successful pump absorption, as reabsorption consequences would or else spoil the general performance. For side pumping, extra issues appear into Participate in; Apart from productive pump absorption, it can be crucial to acquire an appropriate spatial condition in the get profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 supplies laser more info crystal crystal development optical efficiency exceptional earth ions changeover team ions
In 2017, we formulated the world’s premier Ti∶sapphire crystal (Φ235 mm), which supported The ten PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with very extensive emission spectra drives the event of laser diode pumped ultrafast good-state lasers. With the increase in pulse Vitality, peak electric power, and repetition fee of stable-condition lasers, laser crystals will develop to larger sized measurements, higher crystal high quality, and controllable important general performance.
With that concept, 1 does not have to have yet another saturable absorber crystal, in order that one particular could make extra compact Q-switched laser setups with decrease internal parasitic losses. Nonetheless, undesirable Uncomfortable side effects might also take place, which include getting undesired valence states with the involved ions or Electrical power 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。