[1] White G, Amos W B. Confocal microscopy. Nature, 1987, 328(6126):183～192

[2] Denk W, Strickler J H, Webb W W. Two-photon laser scanning fluorescence microscopy. Science, 1990, 248(4951):73～76

[3] Guest J R, Stievater T H, Gang Chen et al.. Near-field coherent spectroscopy and microscopy of a quantum dot system. Science, 2001, 293(5538):2224～2228

[4] Toraldo di Francia G. Super-gain antennas and optical resolving power. Nuovo Cimento Suppl., 1952, 9:426～435

[5] Sales T R M, Morris G M. Diffractive superresolution elements. J. Opt. Soc. Am. (A), 1997, 14(2):1637～1646

[6] Sales T R M, Morris G M. Axial superresolution with phase-only pupil filters. Opt. Commun., 1998, 156(1):227～230

[7] Deng Xiaoqiang, Wang Guiying, Xu Zhizhan. Pupil filters improving axial resolution. Acta Optica Sinica (光学学报), 2000, 20(7):966～970 (in Chinese)

[8] Liu Li, Deng XIaoqiang, Wang Guiying et al.. Phase-only pupil filters improving axial resolution. Acta Physica Sinica (物理学报), 2001, 50(1):49～52 (in Chinese)

[9] Deng Xiaoqiang, Wang Guiying, Xu Zhizhan. 3-D superresolution pupil filter. Chin. J. Laser (中国激光), 2001, A28(5):459～462 (in Chinese)

[10] Deng Xiaoqiang, Liu Li, Wang Guiying et al.. Superresolving phase-only filters in confocal scanning imaging system. Chin. J. Laser (中国激光), 2001, A28(9):833～836 (in Chinese)