QS-12 Open Frame 2-Axis Scan Head

For Faster, More Powerful XY Beam Steering

With recommended apertures of 10mm,15mm & 20mm


Nutfield Technology’s QS-12 Open Frame Scan Head includes two galvanometers with mirrors mounted in optimized XY configuration, two servo amplifiers (require mounting to heat sink, not provided), and galvo-to-servo cable sets. Open frame heads are compact and provide flexibility for mounting in OEM applications or products.Nutfield Tech's QS-7 OPD Open Frame Scan Head

Nutfield Technology’s open frame scan heads feature our groundbreaking OPD (Optical Position Detector) galvanometer design. Our QS-12 OPD enables an unsurpassed combination of high linearity and low drift required for high precision applications.

Nutfield Tech’s QS-12 Open Frame Scan Head features factory-set  ±5 or ±10VDC analog inputs that produce ±22.5 degrees optical scan angles. Available match-tuning ensures same X & Y galvo response given the same input command. The QS-12 OFH is available in 10mm, 15mm, and 20mm apertures for a variety of wavelengths.

Contact Nutfield Technology for assistance with identifying a solution for your scanning application.


Key features of the QS-12 Open Frame Scan Head:

10mm to 20mm aperture range
DAC and function generator solutions available
Available match-tuning ensures same X & Y galvo response given the same input command
Offers a strong combination of performance and value
XY Receiver Card available for interface with Nutfield’s WaveRunner Scan Control Software and SurfBoard or Pipeline Scan Control Hardware


Specifications for the QS-12 Open Frame Scan Head:

QS-12 Open-Frame 2-Axis Scan Head
Linearity>99.8% @ ±20°
Gain Drift50ppm/°C
Offset Drift15 µrad/°C
Repeatability10 µrad
Dynamic Performance:
Step Response Time
10 mm X Mirror350 µs
10 mm Y Mirror Match420 usec
15 mm X Mirror600 µs
15 mm Y Mirror Match720 usec
20 mm X Mirror650 µs
20 mm Y Mirror Match780 usec
Cable lengths available:7" to 24" (0.18m to 0.61m)
Storage Temperature:10 to 50°C
Operating Temperature:0 to 40°C noncondensing
All specifications are using Nutfield Tech's QD-4000 Servo Amplifier.
Specifications subject to change without notice.


Nutfield Tech’s QS-12 Open Frame Scan Head is ideal for the following applications:

Optical Coherence Tomography (OTC)
Materials Processing


Accessories available for the QS-12 OPD Open Frame Scan Head:

Cables – available lengths 7″ to 24″ (0.0178m to 0.610m)


Documentation for the QS-12 Open Frame 2-Axis Scan Head:

Littlefuse Specifications