Deeper Insight into Fluorescence—Excitation of Molecules by Light
A green laser beam passing through an olive oil sample. Note the color change.
The green laser beam is being passed at the back of the olive oil container. Note no color change of the laser beam.
Red (left) and blue violet laser beams (right) are passed behind the olive oil container.
A blue violet laser beam directly impinging on olive oil. Note the color change to red. The laser beam appears to stop after travelling a short distance.
Excitation spectrum of olive oil with emission monochromator fixed at 670 nm.
Emission spectrum of olive oil at three different excitation wavelengths (405, 532, and 650 nm).
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