Images > Nature, Flora, Fauna & Landscapes
Gourd - UV stimulated fluorescence into the visible
bobfriedman:
So I was doing some painting with light and figured I would try some UV stimulated resonance fluorescence into the visible. I used a Nichia UV light with a U-340 filter to stimulate fluorescence in the second image.
Nikon D850, AF-S VR Nikkor 200/2G
25s f/13.0 at 200.0mm iso31
Nikon D850, AF-S VR Nikkor 200/2G
61s f/13.0 at 200.0mm iso31
Akira:
Interesting find, Bob!
Apparently, the one in the middle fluoresces most vividly. I wonder if you cast a rather narrow UV beam onto it. It looks dramatic anyway!
pluton:
Lovely false color work, Bob.
bobfriedman:
--- Quote from: pluton on November 25, 2020, 05:23:44 ---Lovely false color work, Bob.
--- End quote ---
actually not false color.. true color taken in the visible by inducing the guards to fluoresce by stimulating them with ultraviolet light.
pluton:
--- Quote from: bobfriedman on November 25, 2020, 09:47:31 ---actually not false color.. true color taken in the visible by inducing the guards to fluoresce by stimulating them with ultraviolet light.
--- End quote ---
Touché. "false color' implies the color being falsified in the photo process. In any case, thanks for accurately recording the far out colors that the UV light revealed!
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