[1] HE F,CHENG Y.Femtosecond laser micromachining:frontier in laser precision micromachining[J].Chinese Journal of Lasers,2007,34(5):595-622(in Chinese).
[2] GATTASS R R,MAZUR E.Femtosecond laser micromachining in transparent materials[J].Nature Photonics,2008,2(4):219-225.
[3] DAVIS K M,MIURA K,SUGIMOTO N,et al.Writing waveguides in glass with a femtosecond laser[J].Optics Letters,1996,21(21):1729-1731.
[4] HOMOELLE D,WIELANDY S,GAETA A,et al.Infrared photosensitivity in silica glasses exposed to femtosecond laser pulses[J].Optics Letters,1999,24(18):1311-1313.
[5] JEE S J,WOO J S,SOHN I B,et al.Application of femtosecond pulsed laser for optical devices[J].Proceedings of SPIE,2004,5662:185-189.
[6] YANG W,CORBARI C,KAZANSKY P G,et al.Low loss photonic components in high index bismuth borate glass by femtosecond laser direct writing[J].Optics Express,2008,16(20):16215-16226.
[7] MARCATILI E A J,MILLER S E.Improved relations describing directional control in electromagnetic wave guidance[J].Bell System Technical Journal,1969,48(1):2161-2188.
[8] SUN GCh,ZHOU Z G,YANGY J,et al.Design of new type Sshaped optical waveguide low-loss bending path[J].Laser Technology,2010,34(5):690-693(in Chinese).
[9] GAO R X,ZHENG J,QU Sh L,et al.Photowritten waveguides and gratings inside the fused silica glasses by femtosecond laser pulses[J].Laser Journal,2008,29(4):12-13(in Chinese).
[10] SALIMINIA A,NGUYEN N,NADEAU M C,et al.Writing optical waveguides in fused silica using l kHz femtosecond infrared pulses[J].Journal of Applied Physics,2003,93(7):3724.