Visible Light
- Practical Electron Microscopy and Database -
- An Online Book -

http://www.globalsino.com/EM/  



 

 

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Figure 2820 shows the wavelengths of gamma ray, x-ray, ultraviolet, visible light, near infrared, far infrared, microwave, radio, and incident electrons in electron microscopes.

wavelengths of gamma ray, x-ray, ultraviolet, visible light, near infrared, far infrared, microwave, radio, and incident electrons in electron microscopes

Figure 2820. Various wavelengths of lights, microwave, radio, and incident electrons in EMs.

Table 2820. Visible spectra and their colors.

Wavelength (nm) Energy (eV) Frequency (103 THz) Color
> 740
    Not visible (infrared)
625 - 740     Red
700 1.77 4.29
650 1.91 4.62
600 2.06 5.00 Orange
565 - 590     Yellow
580 2.14 5.16
550 2.25 5.45 Green
500 - 520     Cyan
520 2.38  
500 2.48 5.99
450 2.75 6.66 Blue
380 - 435     Violet
400 3.10 7.50
< 380     Not visible (ultraviolet)
190 6.53  

 

 

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