> Alpha male
> no insecurities
Hmm.
abfarid
joined 2 years ago
I'm sorry if I made the false impression that I know what I'm talking about. I'm just discussing and learning as I go. But I went back to the article and looked for the specific figures, and you were right, they are amplifying 1550-nm wavelength, which is NIR. And average glass is usually opaque to wavelength at around 2500nm, so it shouldn't get blocked. At least not much.
antimeme
I can't say I have any experience with PVS-14 or any Night Optical Devices, but from what I see online, it amplifies certain visible spectrum as well as near-IR. It doesn't seem to rely on IR much. And red dot sights aren't even IR are they? At least not entirely, cause you can see them with the naked eye.
Regarding glass being opaque to IR, apparently, it depends on the type of glass. I just remembered it from a Vsauce video (IIRC) where it was demonstrated to be opaque. But since term IR is vague and doesn't have super defined borders, and there are different types of glass, yeah, it's not a certain statement.
Fair enough, I was being too vague with my statement. I was implying that they don't emit much IR, as all bodies above 0 Kelvin do emit it. And LED/laser headlights almost don't, in comparison to xenon and stuff. I looked up some Xe emission graphs and some even straight up show the peak in near-IR, while laser/LED starts flatting out way before NIR.
Well, IR isn't heat, but it's associated with it. And since laser and LED lights heat up a little bit, yes, they of course produce a miniscule amount of IR. But it's pretty much negligible in comparison to their visible spectrum emissions. If you're already being blinded by the visible range of the laser, the IR part isn't gonna do much.
Yeah, it's absolutely clear that nothing is clear about its operation.
If I understood correctly, it captures visible light to use it for the amplification of the IR spectrum.
Now that I've read my own comment, I see that it came off harsher then I intended it to. Interpret it literally and not like a sarcastic statement.
Btw, just occurred to me that these would probably not work in a car at all, because regular glass is usually opaque to IR.
Do modern headlights emit IR? I don't think so. Which means these IR amplifiers wouldn't change the intensity of headlights.
Thanks for responding to my stupid-ass comment so nicely.
Whenever I see somebody incorrectly using the possessive "s" as a plural "s" my brain goes into uncontrollable OCD state of "Their what?! I need to know!".