A Laser Modified by Blood to Look at Tissues from Inside
Infrared, ultraviolet, and visible light are commonly used to visualize tissues in a variety of ways, but the light is typically not coherent, poorly focused, and not very bright. Researchers at the University of Michigan have been working on a way of getting blood to act like a laser, revealing medically relevant information from within the body. Recently presented at the Conference on Lasers and Electro-Optics in San Jose, California, the research involved using indocyanine green dye that cardiologists, ophthalmologists, and other doctors are well familiar with. The dye was…
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