Kumar, Dhirendra <br/><br/>
Note: a simple experimental arrangement to generate optical vortex beams.  [electronic resource] 

 -  The Review of scientific instruments  Feb 2013 
 - 026103 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1089-7623 
<br/><br/><label>Standard No.: </label>10.1063/1.4790848  doi