Abstract

We have confirmed that a mathematical expression in our previous Letter [ Chen and Quan, Opt. Lett. 30, 2101 (2005) ] should be modified. The modification, however, does not affect the validity of the method reported, the results obtained and the subsequent conclusions made.

© 2006 Optical Society of America

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References

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  1. Z. Wang and H. Bi, Opt. Lett. 31, 1972 (2006).
    [CrossRef] [PubMed]
  2. L. Chen and C. Quan, Opt. Lett. 30, 2101 (2005).
    [CrossRef] [PubMed]

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2005 (1)

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Fig. 1
Fig. 1

Corrections to vicinity of E.

Equations (7)

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ϕ r ( x , y ) = a 0 , 0 + a 0 , 1 x + + a 0 , N x N + a 1 , 0 y + a 1 , 1 x y + + + + a N , 0 y N .
P ( x ) = P EF cos ( α θ ) cos θ .
tan θ = d + x h ,
l 2 = h cos α + d sin α .
ϕ r ( x ) = 0 x 2 π P ( u ) d u = 2 π l 1 h l 2 2 P A B 0 x ( 1 + u sin α l 2 ) 2 d u ,
( 1 + u sin α l 2 ) 2 = n = 0 P n ( u sin α l 2 ) n ,
u sin α l 2 < 1 ,

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