What color is light with a wavelength of 405 nm?
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Color of Light with a Wavelength of 405 nm
Light with a wavelength of 405 nm falls within the violet portion of the visible spectrum. This wavelength is on the boundary between the ultraviolet (UV) light spectrum, which is invisible to the human eye, and the visible spectrum. As such, 405 nm is often perceived as a very deep violet color. However, the exact perception of this color can vary from person to person, with some individuals possibly perceiving it as slightly bluer or even as ultraviolet, which they cannot actually see but may sense as a kind of 'invisible light.'
Characteristics of 405 nm Light
- It is near the edge of the human visible spectrum.
- Perceived as a deep violet color.
- It is often used in various technological applications due to its unique properties, such as in optical data storage (e.g., Blu-ray) and in curing processes for certain types of adhesives.
Due to its position close to the ultraviolet spectrum, light at 405 nm can have effects on materials that are sensitive to UV light, such as causing fluorescence or photochemical reactions. This makes it particularly useful in scientific and industrial applications where such reactions are beneficial.