TY - JOUR
T1 - OAM interferometry
T2 - the detection of the rotational Doppler shift
AU - Neo, Richard
AU - Leon-Saval, Sergio
AU - Bland-Hawthorn, Joss
AU - Molina-Terriza, Gabriel
PY - 2017/9/4
Y1 - 2017/9/4
N2 - In this paper, we propose a new type of rotational Doppler shift measurement based on the OAM of light which is capable of measuring the rotation of a point source in the plane orthogonal to the observer line of sight. By analysing the correlations between OAM states of light emitted by rotating sources, the rotational Doppler shift, and hence the rate of rotation, can be measured. We demonstrate that an OAM interferometer capable of extracting the rotational Doppler shift from OAM correlations can be constructed from a standard OAM modesorter combined with a phase filter.
AB - In this paper, we propose a new type of rotational Doppler shift measurement based on the OAM of light which is capable of measuring the rotation of a point source in the plane orthogonal to the observer line of sight. By analysing the correlations between OAM states of light emitted by rotating sources, the rotational Doppler shift, and hence the rate of rotation, can be measured. We demonstrate that an OAM interferometer capable of extracting the rotational Doppler shift from OAM correlations can be constructed from a standard OAM modesorter combined with a phase filter.
UR - http://www.scopus.com/inward/record.url?scp=85029230125&partnerID=8YFLogxK
UR - http://purl.org/au-research/grants/arc/FT1110924
U2 - 10.1364/OE.25.021159
DO - 10.1364/OE.25.021159
M3 - Article
C2 - 29041522
AN - SCOPUS:85029230125
SN - 1094-4087
VL - 25
SP - 21159
EP - 21170
JO - Optics Express
JF - Optics Express
IS - 18
ER -