تقرير
Free Electron Laser Generation of X-Ray Poincar\'e Beams
| العنوان: | Free Electron Laser Generation of X-Ray Poincar\'e Beams |
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| المؤلفون: | Morgan, Jenny, Hemsing, Erik, McNeil, Brian W. J., Yao, Alison |
| سنة النشر: | 2020 |
| المجموعة: | Physics (Other) |
| مصطلحات موضوعية: | Physics - Accelerator Physics, Physics - Optics |
| الوصف: | An optics-free method is proposed to generate X-ray radiation with spatially variant states of polarization via an afterburner extension to a Free Electron Laser (FEL). Control of the polarization in the transverse plane is obtained through the overlap of different coherent transverse light distributions radiated from a bunched electron beam in two consecutive orthogonally polarised undulators. Different transverse profiles are obtained by emitting at a higher harmonic in one or both of the undulators. This method enables the generation of beams structured in their intensity, phase, and polarization - so-called Poincar\'e beams - at high powers with tunable wavelengths. Simulations are used to demonstrate the generation of two different classes of light with spatially inhomogeneous polarization - cylindrical vector beams and full Poincar\'e beams. Comment: 10 pages, 3 figures |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1088/1367-2630/ab984f |
| URL الوصول: | http://arxiv.org/abs/2003.11365 |
| رقم الأكسشن: | edsarx.2003.11365 |
| قاعدة البيانات: | arXiv |
| DOI: | 10.1088/1367-2630/ab984f |
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