Table 3.

Analysis of change in refractive index and polarizability for glasses at wavelength, 587.6 nm

	n0	(dn/dT) × 105	γ×105	$\rho \frac{\partial n}{\partial \rho }$	(∂n/∂T)ρ × 105	Λ0	P ×105	Q×105	R × 105
Fused SiO2	1.45846	0.87	0.13	0.32	0.91	0.17	−0.05	0.01	0.91
Calcium aluminate glass, F-75	1.67155	0.75	2.15	0.19	1.16	0.65	−1.2	0.74	1.2
Phosphate glass F-1329	1.48905	0.46	1.48	0.33	0.95	0.19	−0.61	0.12	0.95
Barium borate glass, E-1583	1.5822	−0.11	1.85	0.40	0.63	0.16	−0.88	0.14	0.63
Germanate glass F-998	1.8550	0.86	2.18	0.39	1.71	0.41	−1.4	0.58	1.7