Estimation of dislocated phases and tunable orbital angular momentum using two cylindrical lenses

被引：0

作者：

Swaliha, B. H. ^{[1
]}

Asokan, S. ^{[1
]}

Ivan, J. Solomon ^{[1
]}

机构：

[1] Indian Inst Space Sci & Technol, Dept Phys, Appl & Adapt Opt Lab, Valiamala PO, Thiruvananthapuram 695547, India

来源：

APPLIED OPTICS | 2023年 / 62卷 / 12期

关键词：

OPTICAL VORTEX; WAVE-FRONTS; LASER-BEAMS; RETRIEVAL; LIGHT; VORTICES; SUPERPOSITIONS; RECONSTRUCTION; GENERATION; ALGORITHM;

D O I：

10.1364/AO.486870

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A first-order optical system consisting of two cylindrical lenses separated by a distance is considered. It is found to be non-conserving of orbital angular momentum of the incoming paraxial light field. The first-order optical system is effectively demonstrated to estimate phases with dislocations using a Gerchberg-Saxton-type phase retrieval algorithm by making use of measured intensities. Tunable orbital angular momentum in the outgoing light field is experimentally demonstrated using the considered first-order optical system by varying the distance of separation between the two cylindrical lenses. (c) 2023 Optica Publishing Group

引用

页码：3083 / 3092

页数：10

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