470nm

Light at 470nm lies in the deep blue spectrum and has various applications across different fields:

  • LED Lighting and Lasers: This specific shade of blue is useful in LEDs for certain applications and is also a common wavelength for blue lasers. These lasers find use in laser light shows and scientific research areas like Particle Image Velocimetry (PIV) and Raman Spectroscopy.

  • Optogenetics: In the field of optogenetics, scientists use lasers with a wavelength around 470nm to activate specific cells within an organism. This is achieved by targeting a light-sensitive protein called Channelrhodopsin-2 (ChR2) that triggers activity in certain cells when exposed to this particular blue light.

  • Human Health: While blue light in general can influence alertness and sleep patterns, 470nm specifically might not be the most prominent factor. Exposure to a broader range of blue light impacts these aspects more significantly.

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