Free electron laser generation of x-ray Poincaré beams
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. Control of the polarization in the transverse plane is obtained through the overlap of different coherent transverse light distributions...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
IOP Publishing
2020-01-01
|
| Series: | New Journal of Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/1367-2630/ab984f |
| _version_ | 1797750456068341760 |
|---|---|
| author | Jenny Morgan Erik Hemsing Brian W J McNeil Alison Yao |
| author_facet | Jenny Morgan Erik Hemsing Brian W J McNeil Alison Yao |
| author_sort | Jenny Morgan |
| collection | DOAJ |
| description | 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. 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 Poincaré 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 Poincaré beams. |
| first_indexed | 2024-03-12T16:33:57Z |
| format | Article |
| id | doaj.art-e853151f260d46f1b2f129083dffa56c |
| institution | Directory Open Access Journal |
| issn | 1367-2630 |
| language | English |
| last_indexed | 2024-03-12T16:33:57Z |
| publishDate | 2020-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | New Journal of Physics |
| spelling | doaj.art-e853151f260d46f1b2f129083dffa56c2023-08-08T15:23:53ZengIOP PublishingNew Journal of Physics1367-26302020-01-0122707200110.1088/1367-2630/ab984fFree electron laser generation of x-ray Poincaré beamsJenny Morgan0Erik Hemsing1Brian W J McNeil2https://orcid.org/0000-0002-7267-611XAlison Yao3University of Strathclyde (SUPA) , Glasgow G4 0NG, United Kingdom; Cockcroft Institute , Warrington, WA4 4AD, United KingdomSLAC National Accelerator Laboratory , Menlo Park, California 94025, United States of AmericaUniversity of Strathclyde (SUPA) , Glasgow G4 0NG, United Kingdom; Cockcroft Institute , Warrington, WA4 4AD, United Kingdom; ASTeC, STFC Daresbury Laboratory , Warrington, WA4 4AD, United KingdomUniversity of Strathclyde (SUPA) , Glasgow G4 0NG, United KingdomAn 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. 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 Poincaré 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 Poincaré beams.https://doi.org/10.1088/1367-2630/ab984ffree electron lasersfully structured lightPoincaré beams |
| spellingShingle | Jenny Morgan Erik Hemsing Brian W J McNeil Alison Yao Free electron laser generation of x-ray Poincaré beams New Journal of Physics free electron lasers fully structured light Poincaré beams |
| title | Free electron laser generation of x-ray Poincaré beams |
| title_full | Free electron laser generation of x-ray Poincaré beams |
| title_fullStr | Free electron laser generation of x-ray Poincaré beams |
| title_full_unstemmed | Free electron laser generation of x-ray Poincaré beams |
| title_short | Free electron laser generation of x-ray Poincaré beams |
| title_sort | free electron laser generation of x ray poincare beams |
| topic | free electron lasers fully structured light Poincaré beams |
| url | https://doi.org/10.1088/1367-2630/ab984f |
| work_keys_str_mv | AT jennymorgan freeelectronlasergenerationofxraypoincarebeams AT erikhemsing freeelectronlasergenerationofxraypoincarebeams AT brianwjmcneil freeelectronlasergenerationofxraypoincarebeams AT alisonyao freeelectronlasergenerationofxraypoincarebeams |