| [1] | Moulton P F.IEEE J Q E,1982;QE18(8):1185 |
| [2] | Welford D,Moulton P F.Opt Lett,1988;13(11):975 |
| [3] | Singh S,Smith R C,Vanvitert L G.Phys Rev,1974;10(6):2556 |
| [4] | L F World,1991;27(11):9 |
| [5] | Shen H Y,Lian T Q,Zeng R R et al.IEEE J Q E,1989;25(2):144 |
| [6] | Shen H Y,Zhou Y P,Zeng R R et al.J A P,1991;70(6):3373 |