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  • Part number: GCO-310201 F-theta Lenses
  • Release date: 2017-06-12
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GCO-31 F-theta Lenses

  

F-theta Lenses are plane field objectives, which are commonly used in combination with XY galvanometer scanner. Contrary to a normal lens which focuses a input collimated beam on a spherical image plane, a F-theta lens focuses on a flat image surface.At the same time,it maintains almost constant spot size over the entire field when the input beam scans with input angle θ。

The position of the spot on the image plane is directlyproportional to the scan angle, i.e. F-theta condition:‘=f ’*θ

Daheng F-theta lens series (GCO-31) fulfils the F-theta condition better than 0.1%.

 

 

GCO-31 F-theta Lenses

 

Part No.

EFL

Wavelength

Scan

Angleθ

Scan Area

(mm*mm)

Max. Input

Beam Diameter

Ø beam (mm)

      EFL (mm)

WD (mm)

Spot Size

Ø spot(μm)

Outer

Diameter

Length

(mm)

Screw

GCO-310101

100

355nm

±25°

61.5*61.5

6

127.1

115.7

11

90

51

M85X1

GCO-310102

160

355nm

±25°

98.7*98.7

6

205

186.3

18

90

51

M85X1

GCO-310103

254

355nm

±25°

156.7*156.7

10

346.4

298.8

17

120

65.9

M85X1

GCO-310201

100

532nm

±25°

61.5*61.5

12

109.7

100.2

8

90

52.0

M85X1

GCO-310202

160

532nm

±25°

98.7*98.7

12

188.3

178.8

13

90

50.2

M85X1

GCO-310203

254

532nm

±25°

156.7*156.7

16

324.2

293.2

16

120

69.5

M85X1

GCO-310301

100

1064nm ±25°

61.5*61.5

12

108.6

99.1

16

90

52.0

M85X1

GCO-310302

160

1064nm ±25°

98.7*98.7

12

188.2

178.7

26

90

50.2

M85X1

GCO-310303

254

1064nm ±25°

156.7*156.7

16

342.2

293.2

31

120

69.5

M85X1

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