Proposal for Generating Brilliant X-Ray Beams Carrying Orbital Angular Momentum
Journal Article
·
· Physical Review Letters
- Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439 (United States)
We consider use of a variable polarizing undulator for generating brilliant x-ray beams carrying orbital angular momentum. We find that higher harmonics of the radiation correspond to Laguerre-Gaussian modes with azimuthal mode indices l equal to one less than the harmonic number when the undulator is operated to produce circularly polarized light. Beams with nonzero l carry orbital angular momentum quantized in units of l({Dirac_h}/2{pi}) per photon. When operated to produce linear polarization, the harmonics correspond to Hermite-Gaussian modes. Selection of these modes with conventional monochromator optics opens the door for new research with x-ray synchrotron and free-electron laser sources.
- OSTI ID:
- 21123788
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 12 Vol. 100; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
Similar Records
A possibility for using an APPLE undulator to generate a photon beam with transverse optical modes.
Spatiotemporal polarization gradients in phase-bearing light
Orbital angular momentum of general astigmatic modes
Conference
·
Mon Dec 31 23:00:00 EST 2007
·
OSTI ID:972176
Spatiotemporal polarization gradients in phase-bearing light
Journal Article
·
Mon Mar 15 00:00:00 EDT 2010
· Physical Review. A
·
OSTI ID:21408495
Orbital angular momentum of general astigmatic modes
Journal Article
·
Thu Jul 01 00:00:00 EDT 2004
· Physical Review. A
·
OSTI ID:20645805