Table 8.

Strain and temperature coefficients of polarizability for glasses and crystals

	Λ0γ×105	τ0 × 105	Λ0	τ0/ γ
Fused SiO2	0.02	2.4	0.17	18.2
Calcium aluminate glass, F—75	1.4	2.2	0.65	1.0
Phosphate glass F-1329	0.28	2.4	0.19	1.6
Barium borate glass, E-1583	0.30	1.3	0.16	0.72
Germanate glass F-998	0.89	2.6	0.41	1.2
LiF	6.3	0.0	0.62	0.0
NaCI	4.6	−0.89	0.38	−0.07
KCI	2.6	0.24	0.23	0.02
KBr	2.9	1.3	0.24	0.11
CaF2	2.5	0.0	0.43	0.0
MgO	6.0	0.68	1.53	0.17