Crystal

Properties

Orientations:

(100), (001), (111), (110) for cubic and tetragonal crystals

(0001), (1102), (1120), (1010) for hexagonal crystals

Other orientations with higher Miller index values or vicinal substrates

Orientation accuracy: ± 0.5°, typical < 0.3°, or better on request

Typical sizes:

5 mm x 5 mm, 10 mm x 10 mm, 10 mm x 5 mm, 15 mm x 15 mm

12,7 mm x 12,7 mm, 20 mm x 20 mm, 25 mm x 25 mm, ø1", ø2"

Lateral tolerances: +0/-0.05 mm

Typical thickness:

0.5 mm, 1.0 mm, other thicknesses down to 0.1 mm on request

Vertical tolerance: +/- 0.05 mm, or better on request

Polishing:

One or both sides epi-polished

Surface quality: scratch free under magnification 50x

Micro-Roughness (measured with interferometer microscope)

(lateral resolution: 0.64 µm, vertical resolution: theor. 0.01 nm)

Roughness: ( λcut off =0.08 mm)

Ra: < 0.5 nm

Rq : < 1.0 nm

Rt : < 2.0 nm

Certificate of roughness included in each batch

Optical polish on lateral sides (cylinders) on request.

Orientation: ± 0.1°

Shape: ±0.05 mm

Flatness: lambda/10

Roughness: <0.5 nm

Parallelism: 5 arcsec

Typical Crystal:

SrTiO₃，LaAlO₃，MgO，NdGaO₃，LSAT，MgAl₂O₄，TiO₂，LiNbO₃，SrLaGaO₄，SrLaAlO₄，Nb:SiTiO₃，ZrO₂:Y，YAG，YAP，GGG，Al₂O₃，Ce:YAP，SiO₂-glass， a-SiO₂，PMN-PT

CaF₂，MgF₂，BaF₂，LiF

ZnO，ZnS，CdS，Si/Ge，ZnS，ZnTe，CdTe，CdSe，SiC