native EMF

EMF Terminology & Glossary

The terminology used on this site is not necessarily consistent with other institution's definitions however has been formulated for the ease of categorization.

Native EMF Environment

The specifics of electromagnetic fields that would have been witnessed prior to the discovery of electricity and the development of electrical products.

REFERENCE

Magnetic Frequencies

Abbr.Full NameFrequency / Wavelength Range
LAELow AC Electric0 – 1 kHz
MAEMedium AC Electric1 kHz – 1 MHz
HAEHigh AC Electric1 MHz – 300 GHz
LAMLow AC Magnetic0 – 1 kHz
MAMMedium AC Magnetic1 kHz – 1 MHz
HAMHigh AC Magnetic1 MHz – 300 GHz
LDMLow DC Magnetic0 – 1 kHz
MDMMedium DC Magnetic1 kHz – 1 MHz
HDMHigh DC Magnetic1 MHz – 300 GHz
MWMicrowave300 MHz – 300 GHz
REFERENCE

Light Frequencies

Abbr.Full NameFrequency / Wavelength Range
NIRNear Infrared700 – 1,400 nm
SWIRShort-Wave Infrared1,400 – 3,000 nm
MWIRMid-Wave Infrared3,000 – 8,000 nm
LWIRLong-Wave Infrared8,000 – 15,000 nm
FIRFar Infrared15,000 nm – 1 mm
UVCUltraviolet C100 – 280 nm
UVBUltraviolet B280 – 315 nm
UVAUltraviolet A315 – 400 nm
VVLVisible Violet Light380 – 450 nm
VBLVisible Blue Light450 – 495 nm
VGLVisible Green Light495 – 570 nm
VYLVisible Yellow Light570 – 590 nm
VOLVisible Orange Light590 – 620 nm
VRLVisible Red Light620 – 700 nm
XRX-Ray0.01 – 10 nm
GRGamma Ray< 0.01 nm
ADDITIONAL

Other Terms

PWMPulse Width Modulation

A method of reducing the power delivered by an electrical signal by chopping it into discrete parts. Common in LED dimming and motor control.

SMStatic Magnetic Fields

Magnetic fields with no frequency (0 Hz). Found naturally in the Earth's geomagnetic field and artificially in permanent magnets and DC current.