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Lithium fluoride is an inorganic compound with the chemical formula LiF. It is a colorless solid that transitions to white with decreasing crystal size. Its structure is analogous to that of sodium chloride, but it is much less soluble in water.
Neodymium-doped yttrium lithium fluoride (Nd:YLF) is a lasing medium for arc lamp-pumped and diode-pumped solid-state lasers. The YLF crystal (LiYF 4) is naturally birefringent, and commonly used laser transitions occur at 1047 nm and 1053 nm. [1] It is used in Q-switched systems in part due to its relatively long fluorescence lifetime.
Pr:YLF laser lasing at 523 nm. The Pr:YLF crystal fluoresces white. The intracavity beam can be seen through rayleigh scattering because of its high intensity.. A Pr:YLF laser (or Pr 3+:LiYF 4 laser) is a solid state laser that uses a praseodymium doped yttrium-lithium-fluoride crystal as its gain medium.
Yttrium lithium fluoride (LiYF 4, sometimes abbreviated YLF) is a birefringent crystal, typically doped with neodymium or praseodymium and used as a gain medium in solid-state lasers. [1] Yttrium is the substitutional element in LiYF 4. The hardness of YLF is significantly lower than other commons crystalline laser media, i.e. yttrium aluminium ...
The two most common types of TLDs are calcium fluoride and lithium fluoride, with one or more impurities to produce trap states for energetic electrons.The former is used to record gamma exposure, the latter for gamma and neutron exposure (indirectly, using the Li-6 (n,alpha) nuclear reaction; for this reason, LiF dosimeters may be enriched in lithium-6 to enhance this effect or enriched in ...
Lithium fluoride, artificially grown as crystal, is clear and transparent and often used in specialist optics for IR, UV and VUV applications. It has one of the lowest refractive indices and the furthest transmission range in the deep UV of most common materials. [ 177 ]
YAG, yttria, yttrium lithium fluoride (LiYF 4), and yttrium orthovanadate (YVO 4) are used in combination with dopants such as neodymium, erbium, ytterbium in near-infrared lasers. [78] [79] YAG lasers can operate at high power and are used for drilling and cutting metal. [62] The single crystals of doped YAG are normally produced by the ...
The Bridgman method is a popular way of producing certain semiconductor crystals such as gallium arsenide, for which the Czochralski method is more difficult. The process can reliably produce single-crystal ingots, but does not necessarily result in uniform properties through the crystal. [1]
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