UV Beam Expanders

Special Optics UV beam expanders use UV grade Fused Silica lenses that permit high energy transmission with low insertion loss over a usable spectral range from 248nm to 355nm.  These beam expanders have adjustable lens spacing and no focused retro-reflections.

Features
  • No Focused Retro-reflections
  • Adjustable Lens Spacing
  • Low Insertion Loss
SPECS
  • Coating Damage Threshold
    500 MW/cm2
  • Transmission
    > 97%
  • Useable Spectral Range
    0.248 - 0.355 nm
  • Wavefront Distortion
    < 1/4 Wave
Model Description
61-25-4X-λ 4X Diffraction Limited, High Transmission UV Beam Expander
Specs & Docs
Specifications
Expansion Ratio 4X
Input Aperture (mm) 6.25
Output Aperture (mm) 25.0
Dimensions Outside Diameter x Length (mm) 31.75 x 120
Wavelength Range (microns) 0.248 - 0.355
Documents
61-25-10X-λ 10X Diffraction Limited, High Transmission UV Beam Expander
Specs & Docs
Specifications
Expansion Ratio 10X
Input Aperture (mm) 2.50
Output Aperture (mm) 25.0
Dimensions Outside Diameter x Length (mm) 31.75 x 141
Wavelength Range (microns) 0.248 - 0.355
61-25-7X-λ 7X Diffraction Limited, High Transmission UV Beam Expander
Specs & Docs
Specifications
Expansion Ratio 7X
Input Aperture (mm) 3.50
Output Aperture (mm) 25.0
Dimensions Outside Diameter x Length (mm) 31.75 x 134
Wavelength Range (microns) 0.248 - 0.355
Documents
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