Alonzo, Carlo <br/><br/>
Helico-conical optical beams: a product of helical and conical phase fronts.  [electronic resource] 

 -  Optics express  Mar 2005 
 - 1749-60 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1094-4087 
<br/><br/><label>Standard No.: </label>10.1364/opex.13.001749  doi