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Crystal

Photoelectric Crystal

Time:2020/11/03 丨 source:Fast Silver 丨 visit count:



LiTaO3 single crystal has very good electro-optical, piezoelectric and pyroelectric properties, and is widely used in pyroelectric devices and color TVs.

Specification
Purity
>99.995%
Crystal structure
Oblique hexahedron
Lattice constant
a=5.154Å   c=13.783 Å
Melting point (℃)
1650
Curie temperature
610℃
Density
7.45(g/cm3
Hardness
5.5~6(mohs)
Color
Colorless
Refractive index
no=2.176 ne=2.180 (633nm)
Through range
0.4~5.0mm
Resistivity
1015wm
Boundary constant
es11/eo:39~43 es33/eo:42~43
et11/eo:51~54 et33/eo:43~46
Thermal expansion coefficient
aa=1.61×10-6/k,ac=4.1×10-6/k
Standard product
Name
Product
Direction
Standard size
LTB
Crystal rod
X、Y、Z±1º
Ø2″×50mm 
Ø3″×50mm
LTW
Epitaxial polishing wafer
Double throw
  Ra<10Å
X、Y、Z Or Y rotation with or without positioning edge
10×10×0.5mm 
Ø2″×0.5mm 
Ø3″×0.5mm 
Ø3″×1.0mm
Packing
Class 100 clean bag, Class 1000 super clean room



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