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Dispersion and thermal properties of lithium aluminum silicate glasses doped with Cr~(3+) ions

机译：Cr〜（3+）离子掺杂的铝硅酸锂玻璃的色散和热学性质

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摘要

A series of new lithium aluminum silicate (LAS) glass systems doped with chromium ion is prepared. The reflectance and transmittance of the glass slabs are recorded. By means of an iteration procedure, the glass refractive index n and the extinction coefficient k and their dispersions are obtained. Across a wide spectral range of 0.2-1.6 (mu)m, the dispersion curves are used to determine the atomic and quantum constants of the prepared glasses. These findings provide the average oscillator wavelength, the average oscillator strength, oscillator energy, dispersion energy, lattice energy, and material dispersion of the glass materials to be calculated. For optical waveguide applications, the wavelength for zero material dispersion is obtained. Dilatometric measurements are performed and the thermal expansion coefficient is calculated to throw some light on the thermo-optical properties of the present glasses correlating them with their structure and the presence of nonbridging oxygen ions.
机译：制备了一系列掺杂有铬离子的新型硅酸铝锂（LAS）玻璃系统。记录玻璃板的反射率和透射率。通过迭代过程，获得玻璃折射率n和消光系数k及其色散。在0.2-1.6微米的宽光谱范围内，色散曲线用于确定所制备玻璃的原子常数和量子常数。这些发现提供了要计算的玻璃材料的平均振荡器波长，平均振荡器强度，振荡器能量，色散能量，晶格能量和材料色散。对于光波导应用，获得零材料色散的波长。进行膨胀计测量，并计算热膨胀系数以对本发明的玻璃的热光学性质施加一些光，从而使它们与它们的结构和非桥接氧离子相关。

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