Journal of Innovative Optical Health Sciences, 2016, 9 (3): 1641003, Published Online: Dec. 27, 2018
3D fluorescence emission difference microscopy based on spatial light modulator
Abstract
We report three-dimensional fluorescence emission difference (3D-FED) microscopy using a spatial light modulator (SLM). Zero phase, 0–2π vortex phase and binary 0-pi phase are loaded on the SLM to generate the corresponding solid, doughnut and z-axis hollow excitation spot, respectively. Our technique achieves super-resolved image by subtracting three differently acquired images with proper subtractive factors. Detailed theoretical analysis and simulation tests are proceeded to testify the performance of 3D-FED. Also, the improvement of lateral and axial resolution is demonstrated by imaging 100 nm fluorescent beads. The experiment yields lateral resolution of 140 nm and axial resolution of approximate 380 nm.
Guangyuan Zhao, Zihao Rong, Cuifang Kuang, Cheng Zheng, Xu Liu. 3D fluorescence emission difference microscopy based on spatial light modulator[J]. Journal of Innovative Optical Health Sciences, 2016, 9(3): 1641003.