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Near-infrared is the region closest in wavelength to the radiation detectable by the human eye. mid- and far-infrared are progressively further from the visible ... Read More

Near-infrared spectroscopy (NIRS) is a spectroscopic method that uses the near-infrared region of the electromagnetic spectrum (from 780 nm to 2500 nm). Typical ... Read More

NEAR INFRARED: ... Between about 0.7 to 1.1 microns we can use the same observing methods as are use for visible light observations, except for observation by eye ... Read More

2018年5月14日 — Where? The near-infrared (NIR) can be defined as the region between 750 nm and 2,500 nm, although the boundary between the NIR and the mid ... Read More

2018年11月10日 — The Near Infrared band of the electromagnetic spectrum has wavelength range from 750 to 2500 nm. It has a frequency range from about 215 THz ... Read More

2004年3月18日 — Near infrared light is closest in wavelength to visible light and far infrared is closer to the microwave region of the electromagnetic ... Read More

A portion of radiation that is just beyond the visible spectrum is referred to as near-infrared. Rather than studying an object's emission of infrared, ... Read More

The infrared range is usually divided into three regions: near infrared (nearest the visible spectrum), with wavelengths 0.78 to about 2.5 micrometres (a ... Read More