Lasers have three core components.
Its fluorescent in near-infrared light and is already injected into the bloodstream for use in medical imaging.
Without blood, just ICG, it doesnt work at all, Fan told New Scientist.
In the initial experiments with ICG, the dyes light was weak.
In effect, the blood had become the second vital component of a laser.
Eventually, we are trying to do it in the human body, Fan said.
You dont want to burn the tissue.
Blood is not the only bizzare material thats been used to make lasers.
The team published a report of their progress in the Optical Society of America Technical Digest.
Source:University of Michigan
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source: www.techworm.net
