Table 1.

Different influence factors of the RL emission properties.

RL Emission Properties	Influence Factors	Experimental Parameters
Lasing threshold Tunability Coherence	Illumination	pump temporal profile (pulse duration) [78,79,80,81]
		pump spatial profile (size and shape) [14,54,80,82,83,84,85,86,87,88]
	Scatterers	concentration [7,15,53,54]
		size [89,90,91]
		shape [12,91,92]
	Dye	concentration [7,13,14,53,93]
	Solvent	refractive index difference [55,56]
	Collection	angles [21,47,60,94]