Manisha, Stuti Joshi, Saba N Khan, Bhaskar Kanseri, P Senthilkumaran
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Full characterization of partially coherent vector vortex beams via generalized Stokes parameters.
The generalized Stokes parameters (GSPs) for partially coherent vector vortex beams (PC-VVBs) are meticulously determined through a double-slit (DS) experiment, marking the first, to the best of our knowledge, measurement for polarization singular beams. GSPs provide a comprehensive characterization of PC-VVBs, encompassing the state of polarization (SoP), degree of polarization (DoP), and electromagnetic degree of coherence (EMDoC) information. It is demonstrated that the modulus and phase of GSPs provide information about the singularity index, polarity, and type of PC-VVB. The maximum GSP values near the singularity are used to calculate EMDoC. Furthermore, the DoP is calculated using normalized GSPs. This study may find potential wherever the coherence and polarization properties are crucial, including polarization metrology, optical communication, etc.
期刊介绍：
The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community.
Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. Criteria used in determining acceptability of contributions include newsworthiness to a substantial part of the optics community and the effect of rapid publication on the research of others. This journal, published twice each month, is where readers look for the latest discoveries in optics.
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