ST Series Zoom Beam Expanders

 
  • for collimation of high power lasers

  • variable magnification from 1x up to 8x

  • additional 8 "click into place points“ guarantee best

  • reproduction of magnification

  • high pointing stability < 1 mrad

  • Galilei-design

  • available with and without adjustable divergence

  • UV beam expander made completely from quartz material

  • max. exit pupil depending on the model f30mm or f50mm

Exit pupil f30mmmm Exit pupil f50mm

Model

Wavelength

ST-S6ASS2074/126

YAG, 1064nmm

ST-S6ASS2074/123

HeNe, 633nm

ST-6ASS2074/121

Green YAG, 532nm

Model

Wavelength

ST-S6ASS2073/126

YAG, 1064nm

ST-S6ASS2073/123

HeNe, 633nm

ST-6ASS2073/121

Green YAG, 532nm

   
Exit pupil f30mmmm with adjustable divergence Exit pupil f50mm with adjustable divergence

Model

Wavelength

ST-S6ASS2075/126

YAG, 1064nmm
ST-S6ASS2075/123

HeNe, 633nm

ST-S6ASS2075/121

Green YAG, 532nm

Model

Wavelength

ST-S6ASS2076/126

YAG, 1064nm

ST-S6ASS2076/123

HeNe, 633nm

ST-S6ASS2076/121

Green YAG, 532nm

   
Exit pupil f30mmmm with adjustable divergence for UV  
Model Wavelength

ST-S6ASS5075/075

tripled YAG, 355mm
ST-S6ASS5075/072 HeCd, 308nm
ST-S6ASS5075/119 4th YAG, 266nm
 
 

VBE Series Zoom Beam Expanders

 

  • Continuous variation of magnification 2x ... 8x possible

  • Wavelengths 355 nm, 405 nm, 532 nm, 633/780/830 nm or 1064 nm

  • Settings of zoom and focusing scales according to product specific graph

  • Mounting in customer machine at surface [A]

  • Consideration of convergence correction at maximum setting of movable lens elements

 

Order No.

Wavelength (nm)

Magnification factor

Max. entrance beam (mm)

Max. exit beam (mm)

Lens elements

Mounting diameter or thread (mm)

VBE4401-402-000-20

355

2 ... 8x variable

3.4*

31

4

37.6

VBE4401-380-000-20

405

2 ... 8x variable

6.0*

31

4

37.6

VBE4401-446-000-20

532

2 ... 8x variable

4.0*

31

4

37.6

VBE4401-257-000-20

532

2 ... 8x variable

8.0*

31

4

37.6

VBE4401-258-000-20

633/780/ 830

2 ... 8x variable

8.0*

31

4

37.6

VBE4401-359-000-20

1064

2 ... 8x variable

4.0*

31

4

37.6

VBE4401-256-000-20

1064

2 ... 8x variable

8.0*

31

4

37.6

* Beyond defined zoom factors, the entrance beam is max. 31 mm / zoom factor.

 

beam expander