[1] Mertz J. Introduction to optical microscopy[M]. Boston: Roberts and Company Publishers, 2010.
[2] Rheinberg J. On an addition to the methods of microscopical research, by a new way optically producing color-contrast between an object and its background, or between definite parts of the object itself[J]. J R Microsc Soc, 1896, 16(4): 373-388.
[3] Samson E C, Blanca C M. Dynamic contrast enhancement in widefield microscopy using projector-generated illumination patterns[J]. New J Phys, 2007, 9(10): 363.
[4] Warber M, Zwick S, Hasler M, et al. SLM-based phase-contrast filtering for single and multiple image acquisition[J]. SPIE, 2009, 7442: 74420E.
[5] Maurer C, Jesacher A, Bernet S, et al. What spatial light modulators can do for optical microscopy[J]. Laser & Photon Rev, 2011, 5(1): 81-101.
[6] Steiger R, Bernet S, Ritsch Marte M. SLM-based off-axis Fourier filtering in microscopy with white light illumination[J]. Opt Express, 2012, 20(14): 15377-15384.
[7] Du Yanli, Ma Fengying, Gong Qiaoxia, et al. Optical microscopic imaging technology based on spatial light modulator[J]. Laser & Optoelectronics Progress, 2014, 51(2): 020002.
[9] Zheng G, Kolner C, Yang C. Microscopy refocusing and dark-field imaging by using asimple LED array[J]. Opt Lett, 2011, 36(20): 3987-3989.
[10] Liu Z, Tian L, Liu S, et al. Real-time brightfield, darkfield, and phase contrast imaging in a light-emitting diode array microscope[J]. J Biomed Opt, 2014, 19(10): 106002.
[11] Webb K F. Condenser-free contrast methods for transmitted-light microscopy[J]. J Microsc, 2015, 257(1): 8-22.
[12] Xu Chao, Gao Shumei, Su Zhouping, et al. A new optical design method of uniform illumination based on extended LED source[J]. Laser & Optoelectronics Progress, 2014, 51(2): 022203.
[14] Zuo C, Sun J, Zhang J, et al. Lensless phase microscopy and diffraction tomography with multi-angle and multi-wavelength illuminations using a LED matrix[J]. Opt Express, 2015, 23(11): 14314-14328.
[15] Guo K K, Bian Z C, Dong S Y, et al. Microscopy illumination engineering using a low-cost liquid crystal display[J]. Biomedical Optics Express, 2015, 6(2): 574-579.
[16] Zuo C, Sun J S, Feng S J, et al. Programmable colored illumination microscopy (PCIM): A practical and flexible optical staining approach for microscopic contrast enhancement[J]. Optics and Lasers in Engineering, 2016, 78(2): 35-47.
[17] Zuo C, Sun J S, Feng S J, et al. Programmable aperture microscopy: A computational method for multi-modal phase contrast and light field imaging[J]. Optics and Lasers in Engineering, 2016, 80: 24-31.