Seen reliable-state lasers depending on laser crystals are compact and light-weight. Lasers from deep purple to blue happen to be noted. Specially, there have been many stories on Pr3+ doped laser crystals, and continual wave lasers all-around 490 nm have been achieved. Ti∶sapphire is the primary acquire crystal for ultrafast lasers. Superintense ultrafast lasers with peak electricity ranging from numerous hundred terawatts to ten petawatts need higher-high quality and large-sized Ti∶sapphire crystal. The origin of defect associated optical absorption in Ti∶sapphire and the growth of large-sized superior-high-quality crystals are two significant difficulties that urgently must be tackled. In recent years, we analyzed the system of defect relevant optical absorption in Ti∶sapphire theoretically, and grew huge-sized higher-quality crystals by heat Trade system. The key activating ions for 1 μm laser crystals are Nd3+ and Yb3+. Nd∶YAG could be the most widely used laser crystal. Lately, we explored numerous new Nd3+ doped fluoride and oxide laser crystals, and solved the emission cross section difficulty of Nd∶Lu3Al5O12. SIOM noted a whole new type of laser crystal Yb∶GdScO3, of which the get bandwidth is about 85 nm. The frequently used activation ions for 2 μm laser crystals are Tm3+ and Ho3+. Tm3+ is usually immediately pumped by laser diode. Ho3+ has larger sized stimulated emission cross area, and its emission wavelength is extended than 2 μm. We researched The expansion, spectroscopy, and laser overall 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。

The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions and in addition the upper-condition lifetime.

晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。

A substantial area high-quality is not surprisingly critical. Technical specs of floor flatness in many cases are better than . This can help in order to avoid equally scattering losses and wavefront distortions which can degrade the laser's beam top quality. Furthermore, scratch and dig requirements

The maximum achievable doping concentration can depend strongly around the host content and its fabrication method.

Some laser crystal elements happen to be demonstrated where 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。

People surfaces which can be handed with the laser beam are Typically possibly oriented at Brewster's angle or have an anti-reflection coating.

主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。

The medium must have a substantial transparency (minimal absorption and scattering) from the wavelength locations of pump and laser radiation, and fantastic optical homogeneity. To some extent, this relies on the quality of the material, determined by details in the more info fabrication approach.

With That idea, 1 would not need to have an additional saturable absorber crystal, making sure that a single may make far more compact Q-switched laser setups with reduce inside parasitic losses. However, unwanted Unintended effects may additionally occur, for example getting undesirable valence states with the involved ions or Vitality transfers.

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。