The first order forbidden energy?band width is the biggest when cylindrical radius is about 40 ?.
圆柱半径在40 左右时，第一禁带宽度最大。
The quantitative results about shift of Fermi surface, widening of energy band width and varying of atomic valence of each crystal site are given.
给出了高压下费米面移动、能带展宽和各晶位原子价变化的定量结果。
The invention realizes three-band output, and the cavity structure can ensure high energy and narrow pulse width three-band laser output and also can reduce element damage.
本发明实现三波段输出，此腔型设计既能保证高能量、窄脉宽三波段激光输出，又能降低元件损伤。
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