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垂直腔面发射半导体激光器（VCSEL）是一种新型的量子阱激光器．由于它的出光方向垂直于衬底、激射阈值电流低、光场分布是圆形的、很容易实现高密度的平面列阵，适合制成光电子集成组件，近年来得到了迅速发展．被誉为“90年代光学”的衍射光学是一门光学、徽电子学和计算机互相
Vertical cavity surface emitting semiconductor laser (VCSEL) is a new type of quantum well laser. Because of its perpendicular light direction perpendicular to the substrate, lasing threshold current is low, the light field distribution is circular, it is easy to achieve high-density planar array, suitable for optoelectronic integrated components made in recent years has been rapid development. Diffractive optics known as “90s optics ” is an optical, electronic and computer science emblem