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The Role of Spatial Coherence and Orbital Angular Momentum of Light in Astronomy
D. Hetharia, M. P. van Exter, W. Löffler
The orbital angular momentum (OAM) of light is potentially interesting for astronomical study of rotating objects such as black holes, but the effect of reduced spatial coherence o…
Reply to comment on 'Spatial Coherence and Optical Beam Shifts'
W. Löffler, Andrea Aiello, J. P. Woerdman
In a comment, Wang, Zhu and Zubairy repeat their previous claim that the spatial Goos-Hänchen (GH) shift happening at total internal reflection at a dielectric-air interface depend…
An experiment on the shifts of reflected C-lines
W. Löffler, J. F. Nye, J. H. Hannay
An experiment is described that tests theoretical predictions on how C-lines incident obliquely on a surface behave on reflection. C-lines in a polarised wave are the analogues of…
Eigenpolarizations for Giant Transverse Optical Beam Shifts
Jörg B. Götte, Wolfgang Löffler, Mark R. Dennis
We show how careful control of the incident polarization of a light beam close to the Brewster angle gives a giant transverse spatial shift on reflection. This resolves the long-st…