[1] [1] ZMUDA H,SOREF R A,PAYSON P,et al.Phontonic beamformer for phased array antennas using a fiber grating prism[J].IEEE Photonics Technology Letters,1997,9(2):241-243.

[3] [3] YANG J L,TJIN S C,NGO N Q.Anovel wavelength switchable fiber laser source and its application in photonics beamforming for optically controlled phased array antenna[J].Applied Physics B,2004,78(3-4):345-349.

[4] [4] YANG J L,YAO J,LIU Y,et al.Continuous true-time-delay beamforming employing a tunable multiwavelength fiberring laser source with equally increased or decreased wavelength spacing[J].Optical Engineering,2003,42(1):239-244.

[5] [5] SOREF R A.Fiber grating prism for true time delay beamsteering[J].Fiber and Integrated Optics,1996,15:325-333.

[6] [6] CRUZ J L,ORTEGA B,ANDRES M V.Chirped fiber Bragg gratings for phased array antennas[J].Electron Lett,1997,33:545-546.

[7] [7] CORRAL J L,MARTI J,FUSTER J M.True time-delay scheme for feeding optically controlled phased-array antennas using chirped-fiber gratings[J].IEEE Photonics Technology Letters,1997,9:1529-1531.

[8] [8] YAO J,YAO J P,WANG Y.Tunable active mode-locked multi-wavelength fiber ring laser[J].Optics Communications,2001,191:341-345.

[9] [9] HILL P C,EGGLETON B J.Strain gradient chirp of fibre Bragg grating[J].Electron Lett,1994 30:1172-1174.

[10] [10] BLANC M L,HUANG S Y,OHNAND M M.Tunable chirping of a fibre Bragg grating using a tapered cantilever beam bed[J].Electron Lett,1994,30:2163-2165.