Table 1. Full width half maximum (FWHM) measurements.

Filter center wavelength (nm)	Tuning setting 1 (nm)	Tuning setting 2 (nm)	Improvement between settings (%)
514	13.25 ± 1.82	8.90 ± 1.31	32.83
532	14.46 ± 1.90	9.55 ± 1.37	33.96
589	24.31 ± 4.16	15.22 ± 1.64	37.39
633	38.62 ± 9.88	22.09 ± 3.03	42.80