(NIR) Near Infrared 700 - 1,100 nanometers
(SWIR) Shortwave Infrared
1,100 - 3,000 nanometers
(MIR) Midwave Infrared 3,000 - 5,000 nanometers
(IR) Infrared Light 6,000-7,000 nanometers
(TIR or LWIR) Thermal or Longwave Infrared - 8,000 - 15,000 nanometers
[Ref: http://www.benjamin-mills.com/chemistry/A-level/IR/the-infrared-spectrum-2100px.png]