UV Focusing Objectives

Special Optics UV focusing objectives have lens elements made from the highest grade calcium flouride (CaF2) and excimer grade UV fused silica. Ideal for laser focusing in high-power applications such as micromachining, microlithography and laser scribing.

Features
  • Diffraction Limited Design
  • Air-Spaced for High Power Applications
  • Large Aperature Design
SPECS
  • Coating Damage Threshold
    500 MW/cm2
  • Surface Quality
    20-10
  • Transmission
    > 97%
  • Wavefront Distortion
    < 1/4 Wave
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Model Description
54-25-100-λ High Power, UV Wavelength Laser Focusing Solutions
Specs & Docs
Specifications
Aperture (mm) 22
Back Focal Length (mm) 92.3
Effective Focal Length (mm) 99.9
F/# 4.0
Outside Diameter (mm) 38.10
Wavelength Range (nm) 250 - 400
54-11-19-λ High Power, UV Wavelength Laser Focusing Solutions
Specs & Docs
Specifications
Aperture (mm) 11
Back Focal Length (mm) 11.8
Effective Focal Length (mm) 19
F/# 1.8
Outside Diameter (mm) 14.98
Wavelength Range (nm) 248 - 400
54-12-180-λ High Power, UV Wavelength Laser Focusing Solutions
Specs & Docs
Specifications
Aperture (mm) 12
Back Focal Length (mm) 173.5
Effective Focal Length (mm) 179.2
F/# 15.0
Outside Diameter (mm) 25.4
Wavelength Range (nm) 300 - 365
54-25-350-λ High Power, UV Wavelength Laser Focusing Solutions
Specs & Docs
Specifications
Aperture (mm) 24
Back Focal Length (mm) 362.0
Effective Focal Length (mm) 369.2
F/# 15.0
Outside Diameter (mm) 38.10
Wavelength Range (nm) 250 - 400
54-10-120-λ High Power, UV Wavelength Laser Focusing Solutions
Specs & Docs
Specifications
Aperture (mm) 10
Back Focal Length (mm) 115.0
Effective Focal Length (mm) 120.0
F/# 12.0
Outside Diameter (mm) 15.0
Wavelength Range (nm) 266/532 (achromatic)
54-17-29-λ High Power, UV Wavelength Laser Focusing Solutions
Specs & Docs
Specifications
Aperture (mm) 17
Back Focal Length (mm) 21.0
Effective Focal Length (mm) 30.0
F/# 1.7
Outside Diameter (mm) 31.7
Wavelength Range (nm) 248 - 400
54-44-220-λ High Power, UV Wavelength Laser Focusing Solutions
Specs & Docs
Specifications
Aperture (mm) 44
Back Focal Length (mm) 202.7
Effective Focal Length (mm) 219.0
F/# 5.0
Outside Diameter (mm) 57.2
Wavelength Range (nm) 300 - 365
54-54-540-λ High Power, UV Wavelength Laser Focusing Solutions
Specs & Docs
Specifications
Aperture (mm) 54
Back Focal Length (mm) 523.0
Effective Focal Length (mm) 540.0
F/# 10.0
Outside Diameter (mm) 60.0
Wavelength Range (nm) 200 - 400
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