Table 1. Relative thermal sensitivities of different lanthanide doped materials and spectral range of transitions employed.

Host	λ ex	T		S r(T) (% K−1)	S a(T) (K−1)	Ref.
NaGd(WO4)2:Er3+/Yb3+	975	525/550		0.99		52
β-NaLuF4:Er3+/Yb3+	975	303–525		0.42	0.0052	53
LaF3:Er3+/Yb3+	975	300–515		0.88	0.0016	54
SrWO4:Er3+/Yb3+	975	300–518		0.96	—	55
Yb2Ti2O7:Er3+/Yb3+	975	290–610		0.47	—	56
Na2GdMg2(VO4)3:Er3+/Yb3+	975	303–573		0.976	0.07	57
NaSrY(MoO4)3:Er3+/Yb3+	975	298–335		1.19		58
YPVO4:Er3+/Yb3+	975	300–440		0.937		59
Ba2GdV3O11:Tm3+/Yb3+	975	303–603		5.397	0.014	60
NaSrGd(MoO4)3:Er3+	375	298–488		0.87	—	61
LiCaLa(MoO4)3:Tm3+/Yb3+	975 nm	298–748		1.4	0.4	62
LiCaLa(MoO4)3:Er3+/Yb3+	325 nm	298–458	TCL	1.05	0.014	This works
	325 nm	298–458	NTCL	1.36	0.25	This works
	980 nm	298–458	TCL	1.01	0.009	This works
	980 nm	298–458	NTCL	0.67	0.069	This works