SpotOn Through-Hole
Special Accessory for SpotOn Line
The 4-Quadrant silicone photodiode with a through-hole, features high accuracy positioned concentrically within a hole in the external mechanical housing.
Applications:
- Emitter alignment
- Position sensing, centering & nulling
- Medical & Industrial
- General Alignment

Specifications
Parameters | Value |
---|---|
Detector | Si PSD |
Through-Hole Size | 1.47 mm |
Operating Temperature | 0° – 50° C |
Wavelength | 350 – 1100 nm |
Update Rate | Up to 100 Hz |
Active Area | ⌀2.05 – ⌀5.7 mm |
Position Resolution | 0.25% |
GAD | 0.13 mm |
Power Range | 10 μw – 10 mw with filters |
Compatible with SpotOn USB2.0 system (electronics box and software). Application software for Win 10/11 OS. DLL is available to control the hardware from customer’s application.
Ordering Information
SPOT-TRH: Sensor head in housing, with 3m long cable.
EAC-1012-19-RHO: Attachment for initial alignment based on rhomboid optics.
EAC-1012-19-STG: Optional Accessory – Pan/Tilt Stage.
EAC-1012-19-FW5: Optional Accessory providing a 36 [mm] clear aperture filter wheel for ND Filters, Polarization Filters and others.