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Lead Molibdate Crystal features low optical losses, high optical homogeneity and stability to laser radiation. It is used commonly as acousto-optical and high voltage measurement devices, and as a scintillator for high energy radiation monitoring. Finished components are avaibale from CORSTEC. |
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Chemical Formula |
PbMoO4 |
Crystal Structure |
Tetragonal |
Density |
6.95 g/cm3 |
Melting Temperature, |
1330 K |
Hardness (Mohs) |
3 |
Transmittance Range |
0.42-5.5 mm |
Transmittance at 515 nm for 6 mm light path |
> 70 % |
Refractive Index at 633 nm |
no=2.38
ne=2.25
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Sound Velocity, L (001) mode, m/s |
3,750 |
Sound Attenuation at 500 MHz, dB/cm |
2.5 |
AO Figure of Merit M2, s3/g |
37 x 10-18 |
Reflection Loss per surface, %
single wave AR coating
broadband (450-900 nm) AR coating |
< 0.2
< 0.6
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Wavefront distortion |
less than l/8 @ 633nm |
Dimension tolerance |
(W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm) |
Clear aperture |
> 90% central area |
Flatness |
l/8 @ 633nm |
Scratch/Dig |
10/5 to MIL-O-13830A |
Parallelism |
better than 20 arc seconds |
Perpendicularity |
5 arc minutes |
Angle tolerance |
qD < ± 0.5°, fD < ±0.5° |
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Special specifications are available from CORSTEC, for example, the strict tolerance for its thickness, <10μm, available, too. |
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