Abstract
A complete microscope-a-chip system can form a vital component in a wide range of lab-on-a-chip (LOC) systems. Yet, the microscopy imaging needs associated with LOC systems are still generally fulfilled through the use of bulky conventional microscopes, which obviates the size advantage of LOC systems. Despite the need, a commercially viable approach for miniaturizing microscope system simply did not exist until recently. The difficulty is twofold. First, there isn’t a cheap and efficient way to create small and precise optical lenses on chips easily. Second, the space requirements of conventional microscopy for light propagation and reshaping conflict with the size constraints of chip-based devices.
© 2007 IEEE
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