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15 January 2008 The design of microscope field illumination system based on LED
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Abstract
The design of microscope field illumination system based on LEDs is demonstrated in this paper. An LED light source, drive circuit, control circuit and collecting lens are included in this system. The light source adopts high brightness white LED array or high power White LED; Area, brightness and angle of the high brightness white LED can be adjusted for the different need of angle of view; Brightness regulation of the high power white LED adopts Pulse-Width Modulation to make the output of brightness is of linearity and stability. In the same condition, the image collected at the LED illumination system compared with the image collected at traditional illumination system. The results shows that this system is of high performance, uniform illumination, good stability; This system is available to satisfy different micro-object and different microscope magnification, and is of great practical value.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jian Xu, Zexin Xiao, and Tiancheng Lin "The design of microscope field illumination system based on LED", Proc. SPIE 6841, Solid State Lighting and Solar Energy Technologies, 68410U (15 January 2008); https://doi.org/10.1117/12.757727
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