A type of infrared light with a short wavelength of about 0.7 to 2.5 micrometers. It is used in lighting devices for night vision cameras, infrared communications, vein authentication, etc. Near infrared light. NIR (near infrared). Source: About Shogakukan Digital Daijisen Information | Legend |
赤外線のうち、波長が短く、0.7~2.5マイクロメートル程度の光線。暗視カメラの照明装置、赤外線通信、静脈認証などに用いられる。近赤外光。NIR(near infrared)。
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