This red light bulb has 660nm of deep red light and 850nm of near infrared, the optimal wavelength of light. Designed to deliver infrared heat to the body. Infrared heat improves blood flow and ...

This time it is a writeup on the best ways to create IR light sources from regular lights. Since normal flashlight bulbs emit a broad enough spectrum to include visible light and IR light ...

While a tungsten light bulb's filament is much warmer than its ... Kotov expressed interest in exploring further into the infrared spectrum. "This is an area of the spectrum with a lot of noise ...