Various Beam Expanders

  • Update:May 11, 2020
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Our zoom beam expanders (or called as variable beam expander) are highly corrected 4-lens element systems with variable magnification from 1x up to 8x and Galilei-design.

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We offer 3 types of beam expanders: fixed beam expanders, zoom beam expanders and motorised beam expanders at various wavelengths of  266nm, 343-355nm, 405nm, 633nm, 515-545nm, 808-980nm, 1030-1090nm, 155nm, 1850-1980nm, 10.6um. Other wavelengths and custom-designed beam expanders are available upon request. For more information, please feel free to contact us.

The specifications of the lenses used in the beam expanders are:

Part number description: BEST-xxx-yy-T-AA
BEST ---  BEST series beam expanders, zoom beam expanders.
xxxx------- laser wavelength: 10.6 means 10.6um, 532 means 532nm, 633 means 633nm.
yy  -------- expansion ratio (magnification) in times
T ---------- type: T means adjustable/various/zoom beam expander; none means fixed beam expander.
AA -------- special purpose.
Example: BEST-10.6-3: 10.6um fixed beam expander, 3x.
                 BEST-10.6-3.5T: 10.6um zoom beam expander, max. 3.5x.

We may use the following abbreviations in the tables: WL=wavelength, MAG=magnification, CA=clear aperture, CA1=input clear aperture, CA2=output clear aperture, D1=input diameter, D2=output diameter, L1=total length of beam expander, M1=connection or mounting thread, D=diameter.

Following is the beam expanders at the wavelengths of 405nm, 633nm, 808-980nm, 1550nm, 1850-1980nm.

(1)  405nm Beam Expanders

BEST Series 405nm Beam Expanders

Part No.

MAG

CA1(mm)

CA2(mm)

D2 (mm)

L1 (mm)

BEST-405-1.5X-W

1.5

6.0

30.0

46

85

BEST-405-2X-W

2

6.0

30.0

46

85

BEST-405-3X-W

3

6.0

30.0

46

85

BEST-405-5X-W

5

6.0

30.0

46

85

BEST-405-7X-W

7

4.2

30.0

46

85

BEST-405-10X-W

10

3.0

30.0

46

89

BEST-405-20X-W

20

1.5

30.0

46

95

STS Series 405nm Beam Expanders

Model

WL(nm)

MAG

CA1(mm)

CA2(mm)

D2(mm)

L1(mm)

Thread

Motorised

STS-EXM0015/173

405

1.5

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0020/173

405

2

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0030/173

405

3

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0050/173

405

5

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0070/173

405

7

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0100/173

405

10

6

31

65

85.1

M30x1

pergency motorised

STS-EXM0200/173

405

20

5

31

65

85.1

M30x1

pergency motorised

STS-EXP0015/173

405

1.5

8

31

46

85

M30x1

not motorised

STS-EXP0020/173

405

2

8

31

46

85

M30x1

not motorised

STS-EXP0030/173

405

3

8

31

46

85

M30x1

not motorised

STS-EXP0050/173

405

5

8

31

46

85

M30x1

not motorised

STS-EXP0070/173

405

7

8

31

46

85

M30x1

not motorised

STS-EXP0100/173

405

10

6

31

46

85

M30x1

not motorised

STS-EXP0200/173

405

20

5

31

46

85

M30x1

not motorised

(2) 633nm HeNe Laser Beam Expanders

Part No.

MAG

EP, mm

CA2, mm

L1, mm

L2, mm

OD, mm

MT IN

MT OUT

BEG-633-2

2

8

18

59.65

11.72

30

M22X0.75

M30X1

BEG-633-3

3

8

18

60.42

12.48

30

M22X0.75

M30X1

BEG-633-4

4

8

18

60.06

12.12

30

M22X0.75

M30X1

BEG-633-5

5

8

18

59.57

11.63

30

M22X0.75

M30X1

BEG-633-6

6

8

18

59.92

11.99

30

M22X0.75

M30X1

BEG-633-8

8

6

18

60.43

12.50

30

M22X0.75

M30X1

BEG-633-10

10

6

18

60.65

12.71

30

M22X0.75

M30X1

BEG-633-15

15

8

18

99.10

--

30

M22X0.75

--

BEG-633-20

20

8

30

102.19

--

45

M30X1

M43X0.75

BEG-633-30

30

8

32

149.81

--

45

M22X0.75

M43X0.75

BEG-633-40

40

8

100

232.6

--

112

M22X0.75

--

(3)  808–980nm Beam Expanders

The material is fused silica.

Model

WL(nm)

MAG

CA1(mm)

CA2(mm)

D2(mm)

L1(mm)

Thread

Motorised

STS-EXM0020/094

808 - 980

2

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0030/094

808 - 980

3

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0050/094

808 - 980

5

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0100/094

808 - 980

10

6

31

65

85.1

M30x1

pergency motorised

STS-EXP0020/094

808 - 980

2

8

31

46

85

M30x1

not motorised

STS-EXP0030/094

808 - 980

3

8

31

46

85

M30x1

not motorised

STS-EXP0050/094

808 - 980

5

8

31

46

85

M30x1

not motorised

STS-EXP0100/094

808 - 980

10

6

31

46

85

M30x1

not motorised

(4)  1550nm Beam Expanders

The material is fused silica.

Model

WL(nm)

MAG

CA1(mm)

CA2(mm)

D2(mm)

L1(mm)

Thread

Motorised

STS-EXM0015/008

1550

1.5

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0020/008

1550

2

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0025/008

1550

2.5

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0030/008

1550

3

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0040/008

1550

4

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0050/008

1550

5

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0060/008

1550

6

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0070/008

1550

7

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0080/008

1550

8

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0090/008

1550

9

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0100/008

1550

10

6

31

65

85.1

M30x1

pergency motorised

STS-EXM0120/008

1550

12

8

31

65

85.1

M30x1

pergency motorised

STS-EXP0015/008

1550

1.5

8

31

46

85

M30x1

not motorised

STS-EXP0020/008

1550

2

8

31

46

85

M30x1

not motorised

STS-EXP0025/008

1550

2.5

8

31

46

85

M30x1

not motorised

STS-EXP0030/008

1550

3

8

31

46

85

M30x1

not motorised

STS-EXP0040/008

1550

4

8

31

46

85

M30x1

not motorised

STS-EXP0050/008

1550

5

8

31

46

85

M30x1

not motorised

STS-EXP0060/008

1550

6

8

31

46

85

M30x1

not motorised

STS-EXP0070/008

1550

7

8

31

46

85

M30x1

not motorised

STS-EXP0080/008

1550

8

8

31

46

85

M30x1

not motorised

STS-EXP0090/008

1550

9

8

31

46

85

M30x1

not motorised

STS-EXP0100/008

1550

10

6

31

46

85

M30x1

not motorised

STS-EXP0120/008

1550

12

8

31

46

85

M30x1

not motorised

(5)  1850-1980nm Beam Expanders

Model

MAG

CA1(mm)

CA2(mm)

D2(mm)

L1(mm)

Thread

Motorised

STS-EXM0015/159

1.5

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0020/159

2

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0025/159

2.5

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0030/159

3

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0040/159

4

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0050/159

5

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0060/159

6

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0070/159

7

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0080/159

8

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0090/159

9

8

31

65

85.1

M30x1

pergency motorised

STS-EXM0100/159

10

6

31

65

85.1

M30x1

pergency motorised

STS-EXM0120/159

12

8

31

65

85.1

M30x1

pergency motorised

STS-EXP0015/159

1.5

8

31

46

85

M30x1

not motorised

STS-EXP0020/159

2

8

31

46

85

M30x1

not motorised

STS-EXP0025/159

2.5

8

31

46

85

M30x1

not motorised

STS-EXP0030/159

3

8

31

46

85

M30x1

not motorised

STS-EXP0040/159

4

8

31

46

85

M30x1

not motorised

STS-EXP0050/159

5

8

31

46

85

M30x1

not motorised

STS-EXP0060/159

6

8

31

46

85

M30x1

not motorised

STS-EXP0070/159

7

8

31

46

85

M30x1

not motorised

STS-EXP0080/159

8

8

31

46

85

M30x1

not motorised

STS-EXP0090/159

9

8

31

46

85

M30x1

not motorised

STS-EXP0100/159

10

6

31

46

85

M30x1

not motorised

STS-EXP0120/159

12

8

31

46

85

M30x1

not motorised

 CO2 Laser Beam ExpanderYAG Laser Beam Expander,  Beam Expander at Various Wavelengths,  Basics of Beam Expander

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