Lead molibdate physical properties

Crystal symmetry: 4/m

Density: 6,95 g/cm^3

Optical spectral range: 0,4 - 5,5 mkm

Elastic constants : 10^11 dyn/cm^2 or 10^10 Pa)

1.09	0.665	0.522	0	0	0,145
0.665	1.09	0.522	0	0	-0,145
0.522	0.522	0.93	0	0	0
0	0	0	0.266	0	0
0	0	0	0	0.266	0
0,145	-0,145	0	0	0	0.343

Photolastic constants :

0.26	0.26	0.28	0	0	0.014
0.26	0.26	0.28	0	0	-0.014
0.16	0.16	0.296	0	0	0
0	0	0	0.067	0.01	0
0	0	0	-0.01	0.067	0
0.03	-0.03	0	0	0	0.045

Refraction indices:

The values for refraction index for the given optical wavelengths.

wavelength, mkm
0.4046	2.7191	2.4429
0.48	2.5136	2.3409
0.5086	2.4754	2.3185
0.5461	2.4388	2.2959
0.577	2.416	2.2814
0.6328	2.3852	2.2612
0.6438	2.3808	2.2581
1.014	2,3072	2,2066
1.15	2.2958	2.1979
1.55	2.2791	2.1849
2	2.2679	2.1769
2.5	2.2577	2.1686
3	2.2474	2.1603
3.25	2.2418	2.1556
3.75	2.2297	2.1455
4	2.229	2.145
5	2.195	2.117

Sound velocity:

direction	polarization	v (10^5 cm/s)
[100]	[100], L	3.98
[110]	[010], S	2.2
[100]	[001], S	1.99
[001]	[001], L	3.75
[001]	[001], L	3.632
[100]	[001], S	1.961

Lead molibdate slowness surfaces in important planes:

Acousto-optic figure of merit:

sound dir.	sound pol.	light dir.	light pol.	M (10^-18 s^3/g)
[100]	[100]	[010]	[001]	5
[100]	[100]	[010]	[100]	16
[100]	[100]	[001]	[010]	16
[100]	[010]	[001]	[010]	8.5
[001]	[010]	[001]	[100]	23.7
[001]	[001]	[010]	[001]	23.7