Focusing property of a double-ring-shaped radially polarized beam
Keyword(s):
2011 ◽
Vol 43
(7)
◽
pp. 1037-1040
◽
Keyword(s):
Keyword(s):
2009 ◽
Vol 282
(23)
◽
pp. 4481-4485
◽
Keyword(s):
Keyword(s):