TY - JOUR
T1 - Experimental study of coherence vortices: Local properties of phase singularities in a spatial coherence function
AU - Wang, W.
AU - Duan, Z.H.
AU - Hanson, Steen Grüner
AU - Miyamoto, Y.
AU - Takeda, M.
PY - 2006
Y1 - 2006
N2 - By controlling the irradiance of an extended quasimonochromatic, spatially incoherent source, an optical field is generated that exhibits spatial coherence with phase singularities, called coherence vortices. A simple optical geometry for direct visualization of coherence vortices is proposed, and the local properties and the spatial evolution of coherence vortex are experimentally investigated. To our knowledge, this is the first direct and quantitative experimental measurement of a generic coherence vortex.
AB - By controlling the irradiance of an extended quasimonochromatic, spatially incoherent source, an optical field is generated that exhibits spatial coherence with phase singularities, called coherence vortices. A simple optical geometry for direct visualization of coherence vortices is proposed, and the local properties and the spatial evolution of coherence vortex are experimentally investigated. To our knowledge, this is the first direct and quantitative experimental measurement of a generic coherence vortex.
KW - Diagnostik og behandling
U2 - 10.1103/PhysRevLett.96.073902
DO - 10.1103/PhysRevLett.96.073902
M3 - Journal article
C2 - 16606090
SN - 0031-9007
VL - 96
SP - 073902
JO - Physical Review Letters
JF - Physical Review Letters
IS - 7
ER -