Can camera see infrared laser from far away at night?

Question by Budelis: Can camera see infrared laser from far away at night?
Let's say 50-100mw infrared laser is pointed to the sky at night 1 mile away from observer with a camera. Can camera see the infrared beam like human can see normal green laser? To clarify, camera is without IR filter, suitable for nigh vision.


Best answer:

Answer by Gregory
There are three categories for infrared lasers. They are named near infrared, mid infrared, and far infrared. A green laser operates in the visible spectrum and is not infrared region. The infrared region is above the visible spectrum.

Night vision cameras typically can detect in the near infrared, which includes people. Today, lasers are available in near, mid, and far infrared, but most common laser pointers are in the visible range. Industrial lasers used for cutting wood and metal are in the far infrared so the night vision camera will not see them.

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VideoSecu 600TVL Outdoor Day Night Infrared Security Camera Built-in 1/3" Sony Color CCD High Resolution CCTV IR Home Surveillance with Free Power Supply 1I6

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