[1] [1] TKACZYK T S．Field guide to microscopy［M］．Washington：SPIE Press，2010．

[2] [2] WELFORD W T．Use of annular apertures to increase focal depth［J］．Josa，1960，50(8)：749-752．

[3] [3] GHOSH S，KANWAR A J，KAUR S．Annular apodizers for low sensitivity to defocus and to spherical aberration［J］．Optics Letters，1986，11(8)：487-489．

[4] [4] PANTAZIS M． Depth of field extension with spherical optics［J］． Optics Express， 2008， 16(17)： 12995-13004．

[5] [5] BAKARAJU R C，EHRMANN K，PAPAS E B，et al．Depth-of-focus and its association with the spherical aberration sign．A ray-tracing analysis［J］．Journal of Optometry，2010，3(1)：51-59．

[6] [6] RIVOLTA C．Depth of focus of optical systems with a small amount of spherical aberration［J］．Applied Optics，1990，29(22)：3249-3254．

[7] [7] ZALEVSKY Z．Extended depth of focus imaging：a review［J］．SPIE Reviews，2010， 1(1)：18001-18011．

[8] [8] OJEDA-CASTAEDA J，GMEZ-SARABIA C M．Tuning field depth at high resolution by pupil engineering［J］．Advances in Optics and Photonics，2015，7(4)： 814-880．

[9] [9] COLOMB T，PAVILLON N，KHN J，et al．Extended depth-of-focus by digital holographic microscopy［J］．Optics Letters，2010，35(11)：1840-1842．

[10] [10] CUMMING B P，JESACHER A，BOOTH M J，et al．Adaptive aberration compensation for three-dimensional micro-fabrication of photonic crystals in lithium niobate［J］．Optics Express，2011，19(10)：9419-9425．

[11] [11] WALLER E H，RENNER M，VON FREYMANN G．Active aberration-and point-spread-function control in direct laser writing［J］．Optics Express，2012，20(22)：24949-24956．

[12] [12] MAUCLAIR C，MERMILLOD-BLONDIN A，HUOT N，et al．Ultrafast laser writing of homogeneous longitudinal waveguides in glasses using dynamic wavefront correction［J］．Optics Express，2008，16(8)：5481-5492．

[13] [13] SALTER P S，BOOTH M J．Focussing over the edge：adaptive subsurface laser fabrication up to the sample face［J］．Optics Express，2012，20(18)：19978-19989．

[14] [14] MAUCLAIR C，MERMILLOD-BLONDIN A，LANDON S，et al．Single-pulse ultrafast laser imprinting of axial dot arrays in bulk glasses［J］．Optics Letters，2011，36(3)：325-327．

[15] [15] SALTER P S，BAUM M，ALEXEEV I，et al．Exploring the depth range for three-dimensional laser machining with aberration correction［J］．Optics Express，2014，22(15)： 17644-17656．

[16] [16] SANNER N， HUOT N， AUDOUARD E， et al．Direct ultrafast laser micro-structuring of materials using programmable beam shaping［J］．Optics and Lasers in Engineering，2007，45(6)：737-741．