
Infrared - Wikipedia
Infrared (IR; sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than that of visible light but shorter than microwaves. The infrared spectral band begins …
红外线 - 维基百科,自由的百科全书
红外线 (英語: infrared,简称IR)是 波长 介乎 微波 与 可见光 之间的 电磁波,其波長在760 纳米 (nm)至1 毫米 (mm)之間, [1] 是波長比紅光長的非可見光,對應頻率約是在430 THz …
紅外線 - 維基百科,自由的百科全書
紅外線(英語: infrared ,簡稱IR)是波長介乎微波與可見光之間的電磁波,其波長在760納米(nm)至1毫米(mm)之間, [1] 是波長比紅光長的非可見光,對應頻率約是在430 THz …
红外线(频率介于微波与可见光之间的电磁波)_百度百科
红外线(infrared ray)又称红外辐射,介于可见光和微波之间、波长范围为0.76-1000微米的红外波段的电磁波。 它是频率比红光低的不可见光。 红外线的英文名是Infrared,其中的infra-意 …
What is infrared radiation (IR)? | Definition from TechTarget
Infrared radiation (IR), sometimes referred to simply as infrared, is a region of the electromagnetic radiation spectrum where wavelengths range from about 700 nanometers (nm) to 1 millimeter …
What does nm mean in infrared? – SyronOptics
Nanometer in Infrared Context. Nanometer (nm) is a unit of length in the metric system, equivalent to one billionth of a meter (1 nm = 10-9 meters). In the context of infrared (IR) radiation, it is …
II.1. The wavelength range of optical radiation - Light …
Optical radiation with wavelengths shorter than 400 nm is called ultraviolet (UV) radiation and is further subdivided in UV-A, UV-B and UV-C ranges. Similarly, infrared (IR) radiation covers the …
ICNIRP | Infrared (780 nm-1mm)
Infrared radiation (IR), also known as thermal radiation, is that band in the electromagnetic radiation spectrum with wavelengths above red visible light between 780 nm and 1 mm. IR is …
Infrared Radiation and Infrared Spectroscopy - Thermo Fisher …
2019年12月12日 · The infrared range covers 700-1000 nm (wavelength), or 14,286-12,800 cm-1 (wavenumber), and ultraviolet radiation has wavenumbers above these, approximately, 25,000 …
近红外 - 百度百科
近红外光(Near Infrared,NIR)是介于 可见光 (VIS) [2] 和 中红外光 (MIR)之间的 电磁波 ,按ASTM(美国试验和材料检测协会)定义是指波长在780~2526nm范围内的电磁波,习惯 …