Special Optics Logo    
Products
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.

Specifications: Spacer Features
Wavefront Distortion < 1/4 Wave  
  • Diffraction Limited Design
  • Air-Spaced for High Power Applications
  • Large Aperature Design
  • Transmission > 97%  
    Coating Damage Threshold 500 MW/cm2  
    Surface Quality 20-10  

     

    Model EFL (mm) BFL (mm) Aperture (mm) F/# Wavelength Range (nm) O.D. (mm) Price
    54-11-19-λ 19 11.8 11 1.8 248 - 400 14.98 Call
    54-17-29-λ 30.0 21.0 17 1.7 248 - 400 31.7 Call
    54-25-100-λ 99.9 92.3 22 4.0 250 - 400 38.1 Call
    54-10-120-λ 120.0 115.0 10 12.0 266/532 (achromatic) 15.0 Call
    54-12-180-λ 179.2 173.5 12 15.0 300 - 365 25.4 Call
    54-44-220-λ 219.0 202.7 44 5.0 300 - 365 57.2 Call
    54-25-350-λ 369.2 362.0 24 15.0 250 - 400 38.1 Call
    54-54-540-λ 540.0 523.0 54 10.0 200 - 400 60.0 Call

    Please replace λ in model number with working wavelength when ordering.