Synthesis and Characterization of Borates and Flourides; New Optical and Solid-State Laser Materials

他们将制备和表征新的固态无机化合物，作为激光晶体，与目前可用的材料相比，将提供更高的效率，增强的调谐能力和更高的功率。新型硼酸盐和氟化物晶体的制备与离子取代掺杂Ti(III), Cr(III), Cu(I)，和/或Nd（III）为发光现象的光谱表征和激光增益的测定提供独特的材料。通过合理选择缔合阳离子，可以得到熔点在1670k以下的高晶序化合物。具有这些特征的化合物可以很容易地生长成具有优异光学质量的大型激光晶体。通过x射线衍射测定这些材料的热膨胀系数将提供它们在高激光功率和高工作温度下的热响应信息。从高温下收集的数据中提炼出的原子参数将提供热应力下微观重排的细节。通过化学合成、晶体生长以及对新材料的详细表征，很有可能实现新一代的固态激光材料。

They will prepare and characterize new solid-state inorganic compounds that as laser crystals will provide greater efficiency, enhanced tuning capabilities, and higher powers as compared with materials currently available. Crystals of new borates and fluorides prepared specifically for substitutional doping with the ions Ti(III), Cr(III), Cu(I), and/or Nd(III) provide unique materials for spectroscopic characterization of luminescent phenomena and the determination of laser gain. Through judicious selection of associated cations, compounds of high crystallographic order with congruent melting points below 1670 K can be realized. Compounds with such features could be easily grown as large laser crystals with superb optical quality. Determination of coefficients of thermal expansion for these materials by X-ray diffraction will provide information on their thermal response when subject to high laser powers and elevated operating temperatures. Refinement of atomic parameters from data collected at elevated temperatures will provide details on the microscopic rearrangements occurring with thermal stress. Through chemical synthesis, crystal growth, and detailed characterization of new materials, it is likely that they will realize a new generation of solid-state laser materials.