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TDG01

$280.00
OR

TDG01

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Diffraction Grating

Diffraction grating TDG01 is intended for submicron calibration scanning probe microscopes (SPM) in the X or Y direction.



Grating description
Structure: - glass wafer
- the grating is formed on the layer of chalcagenid glass
- the grating top surface is aluminium
Pattern types: 1- Dimensional (in the X or Y direction)
Pattern height: > 55 nm provides good image contrast
Geometry: parallel ridges
Period: 278 nm (3600 periods/mm)
Accuracy: ±1nm
Size: diameter 12,5 mm, thickness - 2,5 mm
Effective area: central diameter 9 mm.