In infrared astronomy, the K band is an atmospheric transmission window centered on 2.2

μm The micrometre ( international spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is a unit of length in the International System of Unit ...

(in the near-infrared 136 THz range). HgCdTe-based detectors are typically preferred for observing in this band.

References

Electromagnetic spectrum Infrared imaging {{physics-stub

See also

References