Table 2 The photophysical parameters; absorption peak.(λa), fluorescence peak.(λf) and wavelength max of laser emission (λL), for LD-473 in different concentrations and matrixes
From: Amplified Spontaneous Emission (ASE) Properties of a laser dye (LD-473) in solid state
LD-473 | Concentration (mM) | λa (nm) | λf (nm) | λl (nm) | ᅟ | \( \left(\frac{I_{SW}}{I_{LW}}\right) \) |
|---|---|---|---|---|---|---|
SW | LW | |||||
PMMA | 1.8 | 530 | 615 | 605 | 640 | 1.33 |
4.5 | 530 | 625 | 605 | 640 | 1.11 | |
7 | 530 | 650 | 605 | 640 | 1.00 | |
MMA | 1.8 | 408 | 465 | 471 | ---- | ----- |
Ethanol | 1.8 | 390 | 440 | 473 | --- | ---- |