Abstract
The optical vortex beam having helical phasefront carries well-defined orbital angular momentum (OAM) which can be specified by its topological charge (TC). This study demonstrates that interferogram having conjoined forks structure produced by self-referenced interference of laterally displaced vortex beams, allows simpler and unambiguous way of determining the sign and magnitude of TC. The proposed method uses a Mach–Zehnder interferometer set-up with controlled lateral displacement and tilt angles between the interfering beams, which results into an interferogram with better visual inspection. Theoretical description including intensity and phase profile has been presented.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
