Hyper-hemispherical lens

ball HRFZ-Si  terahertz lens

Part details

Material :

High-resistivity silicon (HRFZ-Si),  resistance : higher than 10kΩ*cm

Manufacturing process :

Optical spherical polishing

Dimensions:

Diameter available from 8mm to 80mm  (+0/- 0.10 mm)

Shape :

Hyper-hemispherical (more than half of a sphere, ie height bigger than radius) with top and bottom surfaces polished optically.

Characteristics :

Clear aperture (CA) better than 90%

S&D : 60/40

Shape accuracy : +/- 0.01mm

Optical treatment :

None

Usage :

Terahertz (THz) sensor; focus THz band signals on the sensing area.

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