Borghi, R <br/><br/>
M(2) factor of Bessel Gauss beams.  [electronic resource] 

 -  Optics letters  Mar 1997 
 - 262-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0146-9592 
<br/><br/><label>Standard No.: </label>10.1364/ol.22.000262  doi