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ST-Galvo Scanner

ST galvo laser scanners are composed of dynamic magnetic-based technology, high-resolution and high-precision sensors, which are mainly used for driving lens to reflect laser beams in various laser processing and beam scanning applications.

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galvo scanner
galvo scanner
galvo scanner
high speed galvanometer
st galvo scanner

Key Features of ST-Galvo Scanner


  • The ST Galvo Scanner delivers superior performance with its compact structure and 18-bit high-resolution encoder, ensuring ultra-high repeatability accuracy and precision control in laser processing applications.


  • Featuring a specially optimized galvo motor, the system offers exceptional mechanical accuracy and a high torque constant, ideal for demanding environments where speed and accuracy are critical.


  • With its optimized encoder structure, the system achieves linearity greater than 99.6% at ±20° deflection angle, ensuring reliable signal feedback for dynamic scanning.


  • Engineered for fast response and long-term stability, this galvanometer scanner is an ideal solution for high-speed laser applications such as marking, engraving, cutting, and welding.


  • The ST galvo system supports rich optical configurations, compatible with lens apertures from 3 mm to 100 mm, making it highly adaptable across various industries. 





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  • ST Galvo Scanner Product Brochure
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Specifications of ST-Galvo Scanner



ST Galvo Scanner 

201

200

210

215218220231230240250260

Input Beam Aperture (mm)

3-7

<7

7

5-103-77-10
10-141420-3050-8050-120

Moment Of Inertia(g•cm2)

0.01

0.013

0.018

0.0280.0240.126
0.670.782.07314.340.47

Torque Constant(N•mm/A)

0.9

1.2

2.7

3.63.06.011.113.12070.886

Coil Resistance(Ω)

2.0

2.1

3.6

2.12.72.81.271.12
1.11.30.6

Coil Inductance(µH)

25

25

70

70120180171150240600290

Maximum Continuous Current(A)

1.2

1.2

1.55

3.52.53.53.53.54710

Peak Current(A)

6

6

8

1510151010121518

Rise Time(ms)

0.2

0.1

0.13

0.130.150.150.250.250.350.81.0

Weight(g)

12

13

18

2550502002303204201040



Sensor Parameters


Max. Scanning Angle (°)

±20

Nonlinearity (%)

<0.4

Repeatability (μrad)

<2

Offset Drift (μrad/K)

<15

Gain Drift (ppm/K)

<40

Position Resolution

18 Bit

Output signal, Common mode

130uA with AGC current of 40mA

Output signal, differential mode

11.5uA/° with AGC current of 40mA


① All angles above are mechanical angles.

② After calculation, 18 bit @25°corresponds to 1.7 urad, and 23bit @corresponds to 0.75urad.


Galvanometer Applications

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sales@scanneroptics.com +86-755-23041055