indiatester
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How is the source going to know that? Like @Kunal Biswas explained later, a gun locating radar works on guns that are actively being used. But using lasers to detect scopes in an urban environment is bound to give loads of false positives and may not detect reasonably concealed scopesRefraction can be detected from a distance (source), you dont need another sensor at the destination. So, ok I will correct you. You are wrong. Politely. And what makes you think that all reflected light is reflected back to the source?
Check your diagram. The source only needs to detect that the laser has changed direction. It would mean that there is a refracting medium there. Above a certain tolerance, you know the medium is not just glass or water but a lens.
Check this
link
SunGuard killFlash ARD (Anti-Reflection Device)
You may be right that the technology is more sound. From the info I see, I am not convinced.
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