Obvious strong-state lasers dependant on laser crystals are compact and light-weight. Lasers from deep purple to blue are already claimed. Particularly, there were plenty of reviews on Pr3+ doped laser crystals, and steady wave lasers all around 490 nm are actually accomplished. Ti∶sapphire is the principle get crystal for ultrafast lasers. Superintense ultrafast lasers with peak energy ranging from quite a few hundred terawatts to ten petawatts need significant-good quality and large-sized Ti∶sapphire crystal. The origin of defect similar optical absorption in Ti∶sapphire and The expansion of huge-sized significant-top quality crystals are two important concerns that urgently must be resolved. In recent years, we analyzed the system of defect relevant optical absorption in Ti∶sapphire theoretically, and grew large-sized superior-excellent crystals as a result of warmth Trade technique. The key activating ions for 1 μm laser crystals are Nd3+ and Yb3+. Nd∶YAG could be the most generally applied laser crystal. In recent years, we explored various new Nd3+ doped fluoride and oxide laser crystals, and solved the emission cross segment difficulty of Nd∶Lu3Al5O12. SIOM reported a whole new style of laser crystal Yb∶GdScO3, of which the gain bandwidth is about 85 nm. The typically used activation ions for two μm laser crystals are Tm3+ and Ho3+. Tm3+ may be immediately pumped by laser diode. Ho3+ has much larger stimulated emission cross area, and its emission wavelength is more time than 2 μm. We examined The expansion, spectroscopy, and laser general performance of Tm∶LiYF4, Tm∶LiLuF4, Ho∶LiYF4, Tm,Ho∶LiYF4, and Tm,Ho∶LiLuF4 crystals.

These ions permit the crystal to amplify mild on the laser wavelength via stimulated emission, when Power is equipped towards the crystal by means of absorption of pump mild (�?optical pumping

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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。

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：

晶体生长 晶体加工 镀膜能�?品质管理 研发能力 新闻中心

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。

The most feasible doping focus can depend strongly within the host materials and its fabrication strategy.

Some laser crystal here products are demonstrated where by some saturable absorber product 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。

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In 2017, we developed the planet’s biggest Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with really huge emission spectra drives the event of laser diode pumped ultrafast strong-point out lasers. With the increase in pulse Vitality, peak energy, and repetition rate of good-condition lasers, laser crystals will create towards much larger sizes, better crystal top quality, and controllable key general performance.

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