F-Theta Scan Lens Visible & NIR
F-theta scanning lens is used in conjunction with XY galvanometer scanner and beam expander to form a two dimensions scanning system. In most of the cutting edge laser machinery, laser optics will be incorporated into system to realize various applications like marking, drilling, welding, dicing, scribing, cutting, engraving...
The scan lens is optimized to provide a flat field image with diffraction-limited spot size in micron scale over the entire scan field.

SL Serie Spectral range available:
  • 1064-532-355-266nm
  • 1550-1060-808-633-405nm


F-Theta Scan Lens Visible & NIR
F-Theta Scan Lens Visible & NIR

FTL - F-Theta Lens 1064nm
F-Theta lenses are commonly used in conjunction with galvonometer scanning mirrors in laser marking, engraving, and cutting systems along with Nd:YAG or Fiber Laser Sources.
  • Provides a flat field at the image plane of the scan
  • Image velocity is proportional to the angular velocity of the scanning mirror
  • Design Wavelength: 1064 nm
  • Optical Material: N-BK7 and N-SF11 glass
  • Damage Threshold:
    • cw: 1 MW/cm2 @ 1064 nm
    • Pulsed: 1 J/cm2, 20 nsec, 20 Hz @ 1064 nm


FTL - F-Theta Lens 1064nm
FTL - F-Theta Lens 1064nm

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  Fr. Lobenhoffer
  +49 (0) 81 42 / 65 20-114
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