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ExtraScan Head

The Extrascan is Chinese first fully digital scanning galvanometer for high precision and drift requirements. This 2 axis galvanometer model coverage: 10/14/20/30mm aperture 2D galvanometer;  3D galvanometer with 14/20/30mm aperture. Independent research and development of high precision grating encoder, break foreign technology monopoly, 23bit resolution digital galvanometer to achieve excellent positioning accuracy and repeated positioning accuracy.  Flexible configuration of FPGA-based digital drive board can match galvanometers with different loads from 10-30mm.

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Key Features of Extrascan Head


  • 2D laser scan head with 10/14/20/30mm aperture  


  • Self-developed high-precision grating encoder. 23bit position resolution digital motor achieves excellent positioning accuracy and repeatability.  


  • Supports galvanometer position monitoring and position feedback to detect the status of the galvanometer in real time, ensuring safe and reliable operation of the galvanometer 


  • All digital design ensures minimized drift and maximized stability.

Products
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  • Extrascan 10mm Dimensions
  • Extrascan 14mm Dimensions
  • Extrascan 20mm Dimensions
  • Extrascan 30mm Dimensions
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Specifications of Extrascan Head


ExtraScan I

ExtraScan I 10

ExtraScan I 14

ExtraScan I 20

ExtraScan I 30

Input Beam Aperture (mm)

10

14

20

30

Beam Displacement (mm)

12.54

16.42

25.25

35.53

Tracking Error (ms)

0.3

0.40

0.65

1.2

Repeatability (µrad)

＜1

＜1

＜1

＜1

Offset Drift (µrad/K)

＜15

＜15

＜15

＜15

Gain Drift (ppm/K)

＜8

＜8

＜8

＜8

Long-term drift over 8 hours (mrad)

＜0.1

＜0.1

＜0.1

＜0.1

1% Of Full Scale (ms)

0.55

0.85

1.0

1.50

10% Of Full Scale (ms)

1.40

1.80

3.0

5.0

Positioning Speed (m/s)

7.0

5.0

3.0

2.0

Typical Scan Angle (°)

±25

±25

±25

±25

Gain Error (mrad)

<5

<5

<5

<5

Zero Offset (mrad)

<5

<5

<5

<5

Nonlinearity (%)

<0.1

<0.1

<0.1

<0.1

Power Requirements

±15VDC, ≥3A

±15VDC, ≥3A

±15VDC, ≥3A

±15VDC, ≥3A

Communication Protocol

16bit:XY2-100

20bit:ST2-100


16bit:XY2-100

20bit:ST2-100


16bit:XY2-100

20bit:ST2-100


16bit:XY2-100

20bit:ST2-100


Operation Temperature (℃)

25±10

25±10

25±10

25±10

Weight (kg)

1.9

2.3

5.0

5.2



ExtraScan II 

ExtraScan II 10

ExtraScan II 14

ExtraScan II 20

ExtraScan II 30

Input Beam Aperture (mm)

10

14

20

30

Beam Displacement (mm)

12.54

16.42

25.25

35.53

Tracking Error (ms)

0.2

0.25

0.5

0.80

Repeatability (µrad)

＜1

＜1

＜1

＜1

Offset Drift (µrad/K)

＜15

＜15

＜15

＜15

Gain Drift (ppm/K)

＜8

＜8

＜8

＜8

Long-term drift over 8 hours (mrad)

＜0.08

＜0.08

＜0.08

＜0.08

1% Of Full Scale (ms)

0.45

0.6

0.85

1.30

10% Of Full Scale (ms)

1.30

1.50

2.60

4.80

Positioning Speed (m/s)

10.0

7.0

5.0

3.0

Typical Scan Angle (°)

±25

±25

±25

±25

Gain Error (mrad)

<5

<5

<5

<5

Zero Offset (mrad)

<5

<5

<5

<5

Nonlinearity (%)

<0.1

<0.1

<0.1

<0.1

Power Requirements

±15VDC, ≥3A

±15VDC, ≥3A

±15VDC, ≥3A

±15VDC, ≥3A

Communication Protocol

16bit:XY2-100

20bit:ST2-100


16bit:XY2-100

20bit:ST2-100


16bit:XY2-100

20bit:ST2-100


16bit:XY2-100

20bit:ST2-100


Operation Temperature (℃)

25±10

25±10

25±10

25±10

Weight (kg)

1.9

2.3

5.0

5.2



ExtraScan IV 

ExtraScan IV 10

ExtraScan IV 14

ExtraScan IV 20

ExtraScan IV 30

Input Beam Aperture (mm)

10

14

20

30

Beam Displacement (mm)

12.67

16.42

24.73

35.35

Tracking Error (ms)

0.14

0.16

0.20

0.45

Repeatability (µrad)

＜1

＜1

＜1

＜1

Offset Drift (µrad/K)

＜12

＜12

＜12

＜12

Gain Drift (ppm/K)

＜8

＜8

＜8

＜8

Long-term drift over 8 hours (mrad)

＜0.04

＜0.04

＜0.04

＜0.04

1% of Full Travel  (ms)

0.30

0.4

0.60

1.00

10% of Full Travel  (ms)

0.7

0.8

1.0

3.0

Positioning Speed (rad/s)

200

150

100

50

Typical Scan Angle (°)

±25

±25

±25

±25

Gain Error (mrad)

<5

<5

<5

<5

Zero Offset (mrad)

<5

<5

<5

<5

Nonlinearity (%)

<0.1

<0.1

<0.1

<0.1

Power Requirements

48VDC, ≥5A

48VDC, ≥5A

48VDC, ≥5A

48VDC, ≥5A

Communication ProtocolXY2-100 / ST2-100XY2-100 / ST2-100XY2-100 / ST2-100XY2-100 / ST2-100

Operation Temperature (℃)

25±10

25±10

25±10

25±10

Weight (kg)

1.9

2.3

5.0

5.2

Positioning Speed: Test using F-theta lens with focal length F=160mm

Scan Angle：All angles above are optical angles

Galvanometer Application

Laser Welding Laser Marking Laser Drilling Laser Cutting Micromachining Medical Aesthetic Ophthalmic Imaging 3D Printing Lithium Battery Laser Cleaning
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Building B2&B10, Taohuayuan Science and Technology Innovation Park, Xixiang, Bao'an, Shenzhen, China.

US office address: 4224 Clay Business Dr, Katy, TX 77449
sales@scanneroptics.com +86-755-23041055
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