EM Spectrum
Near Infrared
300.0 THz
Cosmic Octave Color
Invisible (500 nm)
Outside visible light range — representative swatch #02b9b4
Octave-shifted: 17.5 kHz (-34 octaves)
EstablishedPhysical Measurement
Evidence Level
Established
Source Count
1
Last Reviewed
March 23, 2026
Directly measured, standardized, or well-supported in mainstream scientific or technical literature.
This entry documents a measurable or standardized frequency reference. The atlas is a research and practice guide, not a medical diagnostic instrument.
Review the evidence modelNear infrared radiation (~300 THz, ~1000 nm). Used in remote controls, fiber optics, and night vision. Just beyond visible red light.
Claim Type
Physical Measurement
Traditional Color
Invisible (beyond red)
Cosmic Octave Color
Invisible (500 nm) · representative swatch #02b9b4
Source
Physics
Sources
Optics and Physics References
2 atlas references
Used for visible-light wavelengths, electromagnetic ranges, and general physics conversions.
Optics, physics, and electromagnetic-spectrum references.
infraredem-spectrumlight