.

F-theta Lenses

The F-thetascanning lenses are commonly used in laser scanning systems that employ two-axis galvanometers to scan a specified area but cannot tolerate the angle at the image plane. By introducing a specified amount of barrel distortion in a scanning lens, thetelecentric f theta lensbecomes an ideal choice for applications that require a flat field on the image plane such as laser scanning, marking, engraving and cutting systems. Depending on the requirements of the application, these diffraction limited lens systems can be optimized to account for wavelength, spot size, and focal length, and distortion is held to less than 0.25% throughout the field of view of the lens.

Hyperion OpticsOff-the-shelf FTheta Scan Lens:

Part No.

Scan Field

Input Beam

Focus Spot

Thread

M1-M2

WD

Window

EFL (mm)

Ф(1/e2)

Ф(1/e2)

(±deg)

(mm)

(mm)

Dia×Thk

(mm)

(mm)

(μm)

(mm)

HYPQ

100

50x50

15

13

M85x1

131

HYPQ

163

94x94

20

23

M85x1

26

HYPQ

163

112x112

10

30

25

M85x1

HYPQ-D20

255

170x170

20

24

28

M85x1

150x3

HYPQ

277

142x142

15

21

M85x1

26

HYPQ-D20

340

215x215

20

32

25

M85x1

27

HYPQ-D30

460

220x220

30

44

25

M98x1

43

144x4

HYPQ

420

280x280

14

27

M85x1

17

HYPQ

450

320x320

14

45

25

M85x1

15

HYPQ-D30

500

280x280

30

34

M85x1

37

HYPQ-D20

500

340x340

20

M85x1

26

HYPQ

640

350x350

10

M85x1

16

HYPQ-D20

875

425x425

20

M85x1

26

Part No.

Scan Field

Input Beam

Focus Spot

Thread

M1-M2

WD

Window

EFL (mm)

Ф(1/e2)

Ф(1/e2)

(±deg)

(mm)

(mm)

Dia×Thk

(mm)

(mm)

(μm)

(mm)

HYPQ-D20

260

160x160

20

30

23

M85x1

27

130

HYPQ-D20

335

215x215

20

35

24

M85x1

27

200

HYPQ

280x280

14

M85x1

17

HYPQ-D20

640

400x400

20

64

M85x1

27

556

HYPQ-D30

450x450

30

103

25

M123x1

37

220x5

Part No.

Scan Field

Input Beam

Focus Spot

Thread

M1-M2

WD

Window

EFL (mm)

Ф(1/e2)

Ф(1/e2)

(±deg)

(mm)

(mm)

Dia×Thk

(mm)

(mm)

(μm)

(mm)

HYP

163

60x60

14

29

25

M85x1

18

Part No.

Scan Field

Input Beam

Focus Spot

Thread

M1-M2

WD

Window

EFL (mm)

Ф(1/e2)

Ф(1/e2)

(±deg)

(mm)

(mm)

Dia×Thk

(mm)

(mm)

(μm)

(mm)

HYP

163

100x100

12

M85x1

20

85x2

HYP

260

180x180

15

28

M85x1

20

123x3

HYPB

254

150x150

30

110

25

M102X1

43

128x4

HYP

163

100x100

12

21

25

M85x1

14

84x2

HYP

254

175x175

15

25

28

M85x1

16

120x3

Part No.

Scan Field

Input Beam

Focus Spot

Thread

M1-M2

WD

Window

EFL (mm)

Ф(1/e2)

Ф(1/e2)

(±deg)

(mm)

(mm)

Dia×Thk

(mm)

(mm)

(μm)

(mm)

HYP

163

100x100

10

M85x1

13

121

Part No.

Scan Field

Input Beam

Focus Spot

Thread

M1-M2

WD

Window

EFL (mm)

Ф(1/e2)

Ф(1/e2)

(±deg)

(mm)

(mm)

Dia×Thk

(mm)

(mm)

(μm)

(mm)

HYP

400

200x200

30

20

M85x1

36

Part No.

Scan Field

Input Beam

Focus Spot

Thread

M1-M2

WD

Window

EFL (mm)

Ф(1/e2)

Ф(1/e2)

(±deg)

(mm)

(mm)

Dia×Thk

(mm)

(mm)

(μm)

(mm)

HYP

170

90x90

10

14

M85x1

20

HYP

220

110x110

10

M85x1

13

90x3

HYP

328

212x212

6

45

M85x1

13

104x3

Part No.

Scan Field

Input Beam

Focus Spot

Thread

M1-M2

WD

Window

EFL (mm)

Ф(1/e2)

Ф(1/e2)

(±deg)

(mm)

(mm)

Dia×Thk

(mm)

(mm)

(μm)

(mm)

HYP

170

90x90

10

M85x1

20

Part No.

Scan Field

Input Beam

Focus Spot

Thread

M1-M2

WD

Window

EFL (mm)

Ф(1/e2)

Ф(1/e2)

(±deg)

(mm)

(mm)

Dia×Thk

(mm)

(mm)

(μm)

(mm)

HYP

178

110x110

10

15

M85x1

13

106x3

In addition to these standard f theta lens designs, we can develop complete systems for you, use components from laser beam shaping to the expansion and splitting of laser beams.

If you want to know more details of optical design manufacturing, please visit our website.



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