F-Theta Lenses

II-VI is a leading photonics designer and integrated manufacturing company of optical and crystal components as well as assemblies
serving the industrial laser, medical and life sciences, optical communications and instrumentation markets. WIth state-of-the-art production lines in Vietnam, Santa Rosa California, and many other locations throughout China, II-VI offers high quality precision optics, designs and engineers optical sub-assemblies, and provides a one-stop solution to our customers across the optical spectrum ranging from UV to 3 microns. II-VI’s F-theta lens is specially designed for laser material processing. Optimized mechanical design and high LIDT AR coating guarantee excellent throughput and durability

Key Features

  • Available from 266nm to 1080nm
  • Diffraction-limited focusing performance at the image plane
  • Low coating absorption and low thermal shift
  • In-house control of critical manufacturing processes from design to prototype and mass production


  • Microelectronic (drilling, marking and labeling)
  • Semiconductor industry (marking, engraving, drilling)
  • Automotive industry (welding, cutting, drilling)
  • Medical device (marking, engraving, drilling)


  • Robust and compact
  • Customized configurations availability and flexibility
  • Comprehensive testing technique
Life Sciences, Materials Processing, Cosmetic, High Power 1μm Laser Processing, Ultrafast Laser Microprocessing, Ultraviolet Laser Microprocessing, Scan Optics, PHOTOP

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