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100 _a20210407a2019 k y0engy50 ba
101 0 _aeng
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aGeneration of structured light by multilevel orbital angular momentum holograms
_fA. Vijayakumar, C. Rosales-Guzman, M. R. Rai [et al.]
203 _aText
_celectronic
300 _aTitle screen
330 _aStructured light has been created by a myriad of near-and far-field techniques and has found both classical and quantum applications. In the case of orbital angular momentum (OAM), continuous spiral phase patterns in dynamic or geometric phase are often employed with the phase patterns existing across the entire transverse plane. Here, we exploit the uncertain relationship between OAM and angle in order to create structured OAM fields by using multilevel OAM holograms. We show theoretically and experimentally that only a multilevel angular phase contour in the near-field is needed to create structured OAM light in the far-field, exploiting the reciprocal nature of angular momentum and angle. We use this approach to demonstrate exotic 3D structured light control to show the Poynting vector's evolution in such fields and to highlight the physics underlying this phenomenon.
333 _aРежим доступа: по договору с организацией-держателем ресурса
461 _tOptics Express
463 _tVol. 27, iss. 5
_v[P. 6459-6470]
_d2019
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _aгенерация
610 1 _aсвет
610 1 _aголограммы
610 1 _aугловые моменты
610 1 _aспиральные структуры
701 1 _aVijayakumar
_bA.
701 1 _aRosales-Guzman
_bC.
_gCarmelo
701 1 _aRai
_bM. R.
_gMani Ratnam
701 1 _aRosen
_bJ.
_gJoseph
701 1 _aMinin
_bO. V.
_gOleg Vladilenovich
701 1 _aMinin
_bI. V.
_cphysicist
_cProfessor of Tomsk Polytechnic University, Doctor of technical sciences
_f1960-
_gIgor Vladilenovich
_2stltpush
_3(RuTPU)RU\TPU\pers\37571
701 1 _aForbes
_bA.
_gAndrew
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИнженерная школа неразрушающего контроля и безопасности
_bОтделение электронной инженерии
_h7977
_2stltpush
_3(RuTPU)RU\TPU\col\23507
801 2 _aRU
_b63413507
_c20210407
_gRCR
856 4 _uhttps://doi.org/10.1364/OE.27.006459
942 _cCF