Laser Beam Expanders

Low Power Beam Expanders

Special Optics low power beam expanders incorporate a high performance optical design that is optimized for use with our F-Theta Scanning lenses. Optimum energy throughput is achievable with a maximum input aperture of 11mm.  The maximum output aperture is 47mm. Ideal for integration for a variety of applications, these beam expanders are available in a selection of magnifications ranging from 2X – 26X. All Special Optics beam expanders offer diffraction limited performance and have focus adjustment for collimation at various wavelengths, divergence correction, and focusing. 

Features
  • Adjustable Focus for Collimation at Various Wavelengths
  • Diffraction Limited Design
  • Large Input Apertures
  • High Transmission
  • AR Coated
  • High Damage Threshold
  • Low Power Beam Expanders photo
SPECS
  • Coating Damage Threshold
    500 MW/cm2
  • Transmission
    > 97%
  • Useable Spectral Range
    248 - 1550 nm
  • Wavefront Distortion
    < 1/4 Wave
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Model Description
50-25-2X-λ 2X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 2X
Input Aperture (mm) 11.0
Output Aperture (mm) 22
Length @ 1064 nm(mm) 89
Documents
50-25-3X-λ 3X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 3X
Input Aperture (mm) 7.3
Output Aperture (mm) 22
Length @ 1064 nm(mm) 108
Documents
50-25-4X-λ 4X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 4X
Input Aperture (mm) 5.5
Output Aperture (mm) 22
Length @ 1064 nm(mm) 118
Documents
50-51-4X-λ 4X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 3.9X
Input Aperture (mm) 11.7
Output Aperture (mm) 47
Length @ 1064 nm(mm) 203
Documents
50-25-4.5X-λ 4.5X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 4.5X
Input Aperture (mm) 4.8
Output Aperture (mm) 22
Length @ 1064 nm(mm) 126
50-25-5X-λ 5X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 5X
Input Aperture (mm) 4.4
Output Aperture (mm) 22
Length @ 1064 nm(mm) 122
Documents
50-25-6X-λ 6X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 6X
Input Aperture (mm) 3.6
Output Aperture (mm) 22
Length @ 1064 nm(mm) 128
Documents
50-25-7X-λ 7X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 7X
Input Aperture (mm) 3.1
Output Aperture (mm) 22
Length @ 1064 nm(mm) 131
50-25-8X-λ 8X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 8X
Input Aperture (mm) 2.7
Output Aperture (mm) 22
Length @ 1064 nm(mm) 138
50-51-7X-λ 7X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 6.8X
Input Aperture (mm) 6.7
Output Aperture (mm) 47
Length @ 1064 nm(mm) 239
Documents
50-25-10X-λ 10X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 10X
Input Aperture (mm) 2.2
Output Aperture (mm) 22
Length @ 1064 nm(mm) 140
Documents
50-51-10X-λ 10X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 10.2X
Input Aperture (mm) 4.7
Output Aperture (mm) 47
Length @ 1064 nm(mm) 253
Documents
50-25-12X-λ 12X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 12X
Input Aperture (mm) 1.8
Output Aperture (mm) 22
Length @ 1064 nm(mm) 141
Documents
50-25-18X-λ 18X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 18X
Input Aperture (mm) 1.3
Output Aperture (mm) 22
Length @ 1064 nm(mm) 145
Documents
50-51-20X-λ 20X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
Specifications
Expansion Ratio 20.6X
Input Aperture (mm) 2.3
Output Aperture (mm) 47
Length @ 1064 nm(mm) 267
Documents
50-25-2X-λ
2X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-25-2X-λ
2X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
2X
Input Aperture (mm)
11.0
Output Aperture (mm)
22
Length @ 1064 nm(mm)
89
Documents
Mechanical Drawing
50-25-3X-λ
3X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-25-3X-λ
3X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
3X
Input Aperture (mm)
7.3
Output Aperture (mm)
22
Length @ 1064 nm(mm)
108
Documents
Mechanical Drawing
50-25-4X-λ
4X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-25-4X-λ
4X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
4X
Input Aperture (mm)
5.5
Output Aperture (mm)
22
Length @ 1064 nm(mm)
118
Documents
Mechanical Drawing
50-51-4X-λ
4X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-51-4X-λ
4X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
3.9X
Input Aperture (mm)
11.7
Output Aperture (mm)
47
Length @ 1064 nm(mm)
203
Documents
Mechanical Drawing
50-25-4.5X-λ
4.5X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-25-4.5X-λ
4.5X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
4.5X
Input Aperture (mm)
4.8
Output Aperture (mm)
22
Length @ 1064 nm(mm)
126
50-25-5X-λ
5X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-25-5X-λ
5X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
5X
Input Aperture (mm)
4.4
Output Aperture (mm)
22
Length @ 1064 nm(mm)
122
Documents
Mechanical Drawing
50-25-6X-λ
6X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-25-6X-λ
6X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
6X
Input Aperture (mm)
3.6
Output Aperture (mm)
22
Length @ 1064 nm(mm)
128
Documents
Mechanical Drawing
50-25-7X-λ
7X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-25-7X-λ
7X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
7X
Input Aperture (mm)
3.1
Output Aperture (mm)
22
Length @ 1064 nm(mm)
131
50-25-8X-λ
8X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-25-8X-λ
8X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
8X
Input Aperture (mm)
2.7
Output Aperture (mm)
22
Length @ 1064 nm(mm)
138
50-51-7X-λ
7X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-51-7X-λ
7X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
6.8X
Input Aperture (mm)
6.7
Output Aperture (mm)
47
Length @ 1064 nm(mm)
239
Documents
Mechanical Drawing
50-25-10X-λ
10X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-25-10X-λ
10X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
10X
Input Aperture (mm)
2.2
Output Aperture (mm)
22
Length @ 1064 nm(mm)
140
Documents
Mechanical Drawing
50-51-10X-λ
10X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-51-10X-λ
10X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
10.2X
Input Aperture (mm)
4.7
Output Aperture (mm)
47
Length @ 1064 nm(mm)
253
Documents
Mechanical Drawing
50-25-12X-λ
12X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-25-12X-λ
12X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
12X
Input Aperture (mm)
1.8
Output Aperture (mm)
22
Length @ 1064 nm(mm)
141
Documents
Mechanical Drawing
50-25-18X-λ
18X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-25-18X-λ
18X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
18X
Input Aperture (mm)
1.3
Output Aperture (mm)
22
Length @ 1064 nm(mm)
145
Documents
Mechanical Drawing
50-51-20X-λ
20X Diffraction Limited, High Transmission Low Power Beam Expander
Specs & Docs
50-51-20X-λ
20X Diffraction Limited, High Transmission Low Power Beam Expander
Specifications
Expansion Ratio
20.6X
Input Aperture (mm)
2.3
Output Aperture (mm)
47
Length @ 1064 nm(mm)
267
Documents
Mechanical Drawing
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