UCLA Team Creates Prototype Lens-Free Handheld Microscope
A prototype microscope from UCLA uses holograms instead of lenses to analyze samples -- all in a lightweight and affordable package.
A team from UCLA, led by Dr. Aydogan Ozcan, has developed a prototype transmission microscope that uses lensless holography to create a magnified image. The lightweight system, which costs about $50 to $100 to create, employs holograms that shine interfering rays onto a small sample. A sensor chip detects the light ray patterns, which are then analyzed by a computer program and used to reconstruct a magnified image of the sample.
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