[1] [1] Siegman A E. New development in laser resonance.SPIE,1990,1224: 2～14

[2] [2] Deng Q L,Du C L. Acta Photonica Sinica,2002,31(1):110～113

[3] [3] Ouyang Z B,An H N,Ruan S C,et al. Promoting the coupling efficiency of waves by a 2D Photonic crystal.Acta Photonica Sinica,2004,33(1): 69～72

[4] [4] Zheng Y Z,Hu W,Lu D Q,et al. Acta Photonica Sinica,2003,32(11): 1329～1331

[5] [5] Porras M A. Finiteness and propagation law of the power density second-order moment for diffracted scalar light beam. Optik,1999,110(9): 417～420

[6] [6] Cao Q,Deng X M,Guo H. Acta Optica Sinica,1996,16(7): 897～902

[7] [7] Gori F. Flattened Gaussian beams. Opt Commun,1994,107(5): 335～341

[8] [8] Mandel L,Wolf E. Optical Coherence and Quantum Optics. New York: Cambridge U. Press,1995.113

[9] [9] Cao Q,Deng X M. Power carried by scalar light beams.Opt Commu,1998,151(6): 212～216

[10] [10] Beyer W H. Standard Mathematical Tables and Formulate. 29th ed. London: CRC Press,Inc.,1991.379

[11] [11] Lü B,Zhang B,Luo S. Far-field intensity distribution,M2 factor,and propagation of flattened Gaussian beams. Appl Opt,1999,38(21): 4581～4584