Fixed ratio laser beam expanders FEX
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Fixed ratio beam expanders FEX series are used to increase the laser beam diameter. The FEX model diversity covers the UV, visible, and NIR spectral ranges.
These compact beam expanders are designed for the required wavelength and have divergence adjustability.
All-optical elements of beam expanders are made of fused silica with high LIDT coatings and provide a stable and reliable performance even using them with high power lasers.
| Fixed ratio laser beam expander specifications | |
|---|---|
| Clear output aperture | 23 mm |
| Divergence | Adjustable |
| Outer diameter | 30 mm |
| Mounting options | SM1 (male, female), ⌀30 mm |
| Transmission | >98% |
| LIDT | 3 J/cm2 (10 ns @ 355nm) 5 J/cm2 (10 ns @ 532 nm) 10 J/cm2 (10 ns @ 1064 nm) |
Custom design available
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Item model
Expansion
Design wavelength
Clear input aperture
Recommended max input beam diameter (1/e2)
Clear output aperture
Mechanical length
SKU
price
Downloads
quantity
FEX-2
2 x
1030-1064 + 515-532 nm
11,5 mm
⌀7 mm
23 mm
65 mm
11169
229 €
FEX-3
3 x
1030-1064 + 515-532 nm
11,5 mm
⌀5,3 mm
23 mm
65 mm
11170
229 €
FEX-4
4 x
1030-1064 + 515-532 nm
11,5 mm
⌀4 mm
23 mm
90 mm
11171
229 €
FEX-5
5 x
1030-1064 + 515-532 nm
11,5 mm
⌀3,2 mm
23 mm
95 mm
11172
229 €
FEX-8
8 x
1030-1064 + 515-532 nm
7 mm
⌀2 mm
23 mm
104 mm
11173
239 €
FEX-1.5
1.5 x
1030-1064 nm
11,5 mm
⌀7 mm
23 mm
65 mm
33477
189 €
FEX-1.5
1.5 x
515-532 nm
11,5 mm
⌀7 mm
23 mm
65 mm
33478
189 €
FEX-1.5
1.5 x
1030-1064 + 515-532 nm
11,5 mm
⌀7 mm
23 mm
65 mm
33479
229 €
FEX-2
2 x
343-355 nm
11,5 mm
⌀7 mm
23 mm
65 mm
7723
199 €
FEX-2
2 x
515-532 nm
11,5 mm
⌀7 mm
23 mm
65 mm
7725
189 €
FEX-2
2 x
1030-1064 nm
11,5 mm
⌀7 mm
23 mm
65 mm
7727
189 €
FEX-3
3 x
1030-1064 nm
11,5 mm
⌀5,3 mm
23 mm
65 mm
7729
189 €
FEX-3
3 x
515-532 nm
11,5 mm
⌀5,3 mm
23 mm
65 mm
7731
189 €
FEX-3
3 x
343-355 nm
11,5 mm
⌀5,3 mm
23 mm
65 mm
7733
199 €
FEX-4
4 x
343-355 nm
11,5 mm
⌀4 mm
23 mm
90 mm
7735
199 €
FEX-4
4 x
515-532 nm
11,5 mm
⌀4 mm
23 mm
90 mm
7737
189 €
FEX-4
4 x
1030-1064 nm
11,5 mm
⌀4 mm
23 mm
90 mm
7739
189 €
FEX-5
5 x
343-355 nm
11,5 mm
⌀3,2 mm
23 mm
95 mm
7741
199 €
FEX-5
5 x
515-532 nm
11,5 mm
⌀3,2 mm
23 mm
95 mm
7743
189 €
FEX-5
5 x
1030-1064 nm
11,5 mm
⌀3,2 mm
23 mm
95 mm
7746
189 €
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