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Upon examining the scattered gentle, the researchers found that they may discern each sort of molecule within the sample based on the Raman spectra and with a sensitivity of at least 10 instances greater than traditional Raman benchtops. To create the optical waveguide, the researchers employed a way used by business for drawing circuit patterns on silicon wafers. First, utilizing ultraviolet gentle, they spun a light-delicate materials, referred to as NR9, onto a surface made from silica. Next, through the use of ionized gas molecules, they bombarded and coated aluminum nitride along the sample formed by the NR9. Finally, they washed the meeting with acetone, forsaking an aluminum waveguide that was simply tens of microns in diameter.

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