B43元/25元/4利用以上原理产生光7元/4学涡旋（和手性有关）3元/4元/4元/240umumFig.5.(A)SEMimageofaplasmonicinterfacethatcreatesan opticalvortex.Theplasmonic patternconsists of eight regions,each occupied by oneconstituent antenna of the eight-element set of Fig2F.The antennas arearranged so as to generateaphaseshiftthatvariesazimuthallyfromOto2,thusproducingahelicoidal scatteredwavefront.(B)Zoom-inviewofthecenterpartof(A).(CandD)Respectivelymeasured andcalculatedfar-field intensity distributionsofan optical vortexwith topological chargeone.Theconstant background in (C)is duetothethemal raDdiation.(E and F)Respectively,measured andcalculatedspiral patterns createdbythe interferenceof thevortexbeamandaco-propagatingGaussianbeam.(GandH)Respedtively,measuredandcalculatedinterferencepatterns with adislocated fringe created bythe0interferenceofthevortexbeamanda Gaussianbeamwhenthetwoaretiltedwithrespecttoeachother.Thecircularborderof the interferencepattem in (G)arisesfromthefiniteapertureofthebeamsplitterusedtccombinethevortexandtheGaussianbeams(2O).Thsizeof (C)and(D)is60mmby60mm,andthatof (E)to(H)is30mmby30mm文献与8页同11
11 文献与8页同 利用以上原理产生光 学涡旋（和手性有关）
利用超构表面生成涡旋光的其它例子左上：可见光频率空间复用超构表面示意图右上：开口环宽带涡旋光生成超构表面SEM图像以及不同偏振光入射下测得的透射图案下图：从左至右依次为分割式，插入式与谐波响应超构表面及其远场强度分布示意图超颖表面原理与研究进展李天佑，黄玲玲*，王涌天中国光学第10卷第5期Vol.10No.5Chinese Optics2017年10月12Oct.2017
12 利用超构表面生成涡旋光的其它例子 左上：可见光频率空间复用超 构表面示意图 右上：开口环宽带涡旋光生成 超构表面SEM图像以及不同 偏振光入射下测得的透射图案 下图：从左至右依次为分割式、 插入式与谐波响应超构表面及 其远场强度分布示意图