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| [2] | U,S,P.,3,633,126. |
| [3] | IEEE,J,Q,E.,1984,Vo1.QE—20,No.3,P.289~301. |
| [4] | Laser Focus,1983,Vol.19,No.5,P.83~88. |
| [1] | Opt,Lett.,1982,Vo1,7.No.9,P.405~407. |
| [2] | U,S,P.,3,633,126. |
| [3] | IEEE,J,Q,E.,1984,Vo1.QE—20,No.3,P.289~301. |
| [4] | Laser Focus,1983,Vol.19,No.5,P.83~88. |