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The absorption and emission spectra of 2,5–2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole), blue dye (a), and its chemical structure (b).
The absorption and emission spectra of 4-(3-methoxypropylamino)-(3-methoxypropyl)-naphthalimide, green dye (a), and its chemical structure (b).
Lasing spectra of the UV pump , the emission from the first cell , and the emission from the second cell . The relative intensities are not comparable to each other.
(Color) Laser system photographs. The cascade of the two CLC cells (a). On the screen are visible the two laser spots, as can be seen also in the enlargement (b). The larger one is the blue laser emitted by the first cell and transmitted through the second cell. The second spot is the green emission from the second cell.
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