A strong pulsed laser with a 266 nm wavelength is being used to excite a sample. You find two peaks in your emission spectrum, one at 505 nm and another at 532 nm. You expected to find the 505 nm peak from your literature search. The 532 nm peak is not reported in any papers. What might be the cause? How could you test your hypothesis?

A strong pulsed laser with a 266 nm wavelength is being used to excite a sample. You find two peaks in your emission spectrum, one at 505 nm and another at 532 nm. You expected to find the 505 nm peak from your literature search. The 532 nm peak is not reported in any papers. What might be the cause? How could you test your hypothesis?

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