Along with developing of the commercial availability of high - power ingaas laser diode in the 1990s , the advantage of yb : yag suitable for the ld pumped high power solid - state lasers was realized 对ld泵浦的高功率yb : yag固体激光器的研究已成为当前热点,并将其视为发展高效、高功率固体激光器的一个主要方向。
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Doped linbo3 ) have been considered as one kind of the most important materials for vhs owing to wider dynamic range and their commercial availability in large size . however , the volume holographic gratings in photorefractive crystals are liable to dark decay and erasure under readout illumination 体全息存储的首选记录材料是光折变晶体(如fe : linbo _ 3 ) ，但直接存储在晶体中的信息容易受光和热的影响而丢失。
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