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I just tried this with my phone and mildly blew my mind, and then realized I could actually see the IR from the remote with my eyes, and am now confused.
by dluan 9y ago
I just tried this with my phone and mildly blew my mind, and then realized I could actually see the IR from the remote with my eyes, and am now confused.
- jjoonathan 9y agoHe mentioned it in the presentation. You're not actually seeing the IR, you're seeing a sideband. Just like with a heat lamp, the red light isn't the IR, it's produced alongside the IR.
- extrapickles 9y agoIf its a 808nm or other really close wavelength, then you could be seeing the primary wavelength, but the apparent intensity will be very low as the eye has very little sensitivity.