Certain fantasy creatures are extremely sensitive to concentrated UV light. eg modern vampires. They either slowly or rapidly burn up in-front of you when exposed to direct sunlight or modern high techy UV-lightsources.
I am trying to figure out if these creatures sensitivity to UV could be used as a method of passively identifying them, in situations where they are not exposed or burning. Essentially, when not exposed to direct sunlight, do vampire bodies absorb/reflect UV differently to a human; which could then be detectable by modern science?
If my near-future military designed something similar to our current-day night vision goggles, they could then be adjusted to work for vampires. If I hand certain characters specialist goggles capable of viewing the UV spectrum, would these vampires jump out of the crowds as either noticeably more reflective bright points or absorptive blackholes? Without actually exposing the vampires to an active Blacklight. Or would they look the same as a typical human until exposed and then they would light up on the thermal infra-red spectrum?
Image of a human artist with phosphorescent bodypaint under a blacklight...She is not a vampire. image source
- I am aware that the original Dracula and other vampires were not hurt by sunlight and that this is a modern interpretation of the legend.
- I'm not after the sparkly-kind vampires...unless I should be.
I know Vampires can have many weaknesses that I can utilize. For example, my vampiric creatures are not harmed by garlic or the sight of crucifixes but can be deterred by UV light and water, that for some asinine reason my characters may have decided needs to be blessed. They are not dead per se but I have trouble picking them up on the IR scanners as they have a very low resting body temp. IR may be useful for identifying cooler vampires in large crowds of normal humans, however IR is not helpful in picking out Vampires in more isolated situations where they may be creeping up to attack your outpost etc. They will more than likely light up on the IR spectrum when they are fully exposed to light. Hence, I am focussing my question on just how their body reacts to UV light.
I'm not too worried how they react to massive amount of direct sunlight. They combust and burn. The speed of the combustion has yet to be determined as I need to figure out the actual mechanism causing it. Do they absorb or reflect or do their bodies react no differently when not exposed to excess UV. What would that look like in a topical exposure situation (no excess UV). To avoid answers focussing on the wrong end of the reaction, I am focussing my question on how they would react in passive, non deadly exposure situations.
I am focussing on their bodies reaction and not so much on the technology itself to see them. I can handwave the tech around how the body mechanism works, but I won't turn away any pointers. I mentioned the tech ability to see them, as that is my reason for this question. To figure out if they will be pretty bright lights, depressing black death-shadows or worse, show no difference at all!
I am hoping to identify them from a distance without actually having to come into contact with them. I'm not scared or anything. HQ is the one insisting on this simple safety precaution.