Issue: ~80% of the total light-weight output consists of slower (600 ns decay consistent) emission peaked at 310 nm; High count level �?pile up. Goal: build a BaF�?based mostly detector that leverages the quick emission component for ideal timing characteristics; Suppression of gradual component.
This enables the utilization of BaF2 as broadband optical material inside the VIS and IR dual-channel methods for seen and thermal imaging.
半导体材料：氟化钡晶体是一种半导体材料，可用于制造电子器件，如二极管、晶体管等。
激光材料：氟化钡晶体可用作激光晶体的基础材料，用于制造红外激光器、超快激光器等，具有输出功率高、稳定性好等优点。
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φ, deg: The 3rd signifies the azimuthal angle φ in degrees. This angle specifies the orientation of the crystal axis within the plane perpendicular on the propagation path.
闪烁晶体：氟化钡晶体具有优良的闪烁性能，能够将高能射线或粒子转化为可见光，用于高能物理、核物理等领域的探测器中。
θ, deg: The 2nd signifies the stage-matching angle θ in levels. This can be the angle at which period matching takes place for nonlinear optical processes.
高透光性：氟化钡晶体在较宽的波长范围内具有优异的透光性能，使得它成为制造高性能光学元件的理想材料。
The mixture of high transmittance, small absorption, and reduced dispersion makes Barium Fluoride a versatile and sturdy option for many different optical website parts, together with:
The calculated band buildings of BaF2 for different pressures applied inside the experiments are proven in Fig. 6. Desk one summarizes the Power gaps between the valence and conduction bands (valence‒conduction bandgap), the Main‒conduction bandgap, plus the Main‒valence bandgap. During the cubic stage, once the utilized force is lower than 3.7 GPa, the valence‒conduction bandgap appears for being steady. The valence‒conduction bandgap slightly will increase with increasing strain inside the orthorhombic period. Nevertheless, the conduction and valence bands don't show up to substantially flatten whilst the crystal is compressed. A significant prerequisite for CL would be that the valence−conduction bandgap need to be bigger as opposed to Main−valence bandgap so which the CL photons aren't reabsorbed by the material. Band hole control and band composition manipulation by way of uniform and uniaxial strain software were Beforehand shown in hexagonal lithium calcium aluminum fluoride (LiCaAlF or LiCAF)26 and lithium yttrium fluoride (YLiF4)27 laser materials. Uniform volume compression at escalating pressures as many as fifty GPa monotonically greater the valence−conduction bandgap of LiCAF due to the flattening from the conduction band.