
Dielectrics and Electrooptics 4.4 Tables of Numerical Data for Dielectrics and Electrooptics 863
Table 4.4-16 Tetragonal, point group 42m (D
2d
) materials, cont.
Electrooptic General Refractive index Nonlinear dielectric
tensor optical properties susceptibility
r
T
41
Transparency range (µm) n
o
n
e
d
36
r
T
63
dn
o
/dT (10
−5
K
−1
) A A (10
−12
m/V)
(10
−12
m/V) dn
e
/dT (10
−5
K
−1
) B B
C C
D D
E E
F F
10.3 0.22–1.5 [4.386, 436] 1.4926 1.4700 0.36 [4.438]
14.3 [4.449,450] −3.74 [4.392] 2.249885 2.159913
−2.73 [4.392] 0.01056 0.009515
0.007780475 0.00847799
3.688005 0.988431
127.1998253 [4.386]
e
127.692938 [4.386]
e
− −
4.5 (1.15 µm) 0.71–18 [4.451] 2.7008 2.6800 33 (10.6 µm) [4.12, 14]
3.9 (1.15 µm) 4.5 (3.39 µm) [4.452] 4.6453 5.2912
[4.453] 7.6 (3.39 µm) [4.452] 2.2057 1.3970
0.1879 0.2845
1.8377 1.9282
1600 [4.227]
f
1600 [4.227]
f
− −
4.0(2) 0.47–13 [4.454] 2.4540 2.4012 17.5 (1.06 µm) [4.12,14]
3.0(1) [4.455] For dn/ dT,see 3.40684 3.60728 11.2 (10.6 µm) [4.12, 14]
[4.456,457] 2.40065 1.94792
0.09311 0.11066
2.06248 2.24544
950 [4.457]
f
1030.7 [4.457]
f
− −
+1.03 (633 nm) 0.2–1.8 [4.458] 1.4811 1.5825 1.18 (0.6 µm) [4.458, 459]
−0.75 (633 nm) − 2.1823 2.51527
[4.460] − 0.0125 0.0240
0.03 0.03
0 [4.461]
h
0.0202
− 1.52
− 0.08771 [4.461]
h
1.8 (5 µm) 0.74–12 [4.462] 3.2324 3.2786 69 (10.6 µm) [4.12, 462]
− 21.18 [4.415] 4.4733 4.63318
[4.463] 23.01 [4.415] 5.26576 5.34215
0.13381 0.14255
1.49085 1.45785
662.55 [4.464,465]
f
662.55 [4.464,465]
f
− −
efgh
Dispersion relations (λ (µm), T =20
◦
C):
e
n
2
= A +
Bλ
2
λ
2
−C
+
D
λ
2
−E
.
f
n
2
= A +
Bλ
2
λ
2
−C
+
Dλ
2
λ
2
−E
.
g
n
2
= A +
B
λ
2
−C
−Dλ
2
.
h
n
2
= A +
B
λ
2
−C
+
D(λ
2
−E)
(λ
2
−E)+F
.
Part 4 4.4