Page 636 - Sensors and Control Systems in Manufacturing
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Human Eye Sensitivity Chart
FIGURE 1.9 Visible light spectra.
THE VISIBLE SPECTRUM • Wavelength in Nanometers
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(ultra) Violet Blue Cyan Green Yellow Orange Red Magenta (infra)
FIGURE 1.10 Visible ultraviolet light to red light spectra.
100
Relative Response 75
50
25
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Wavelength (nm)
FIGURE 1.11 An LED peak wavelength (L ).
pk
