1.
Appl Opt
; 49(22): 4188-92, 2010 Aug 01.
Artigo
em Inglês
| MEDLINE
| ID: mdl-20676172
RESUMO
We describe an optomechanical technique using a knife-edge, which is scanned spatially across a beam of light to identify shape-based irradiance. Symmetry groups are identified through linear and rotational scanning signatures of illuminated shapes. The scanning signature is used to classify the shape into a symmetry group. To demonstrate the shape analysis technique, we have classified basic geometric shapes, which belong to the orthogonal and dihedral symmetry groups O(2), D(2), D(3), and D(6).