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UV Laser F-Theta Lens

UV F-Theta lenses are specifically designed for ultraviolet laser systems (typically 355 nm) and provide high-precision beam focusing with excellent spot consistency across the entire scanning field. They are ideal for applications such as laser marking, micro-engraving, precision cutting, and other high-resolution UV laser processing applications. Featuring high UV transmission efficiency, low optical dispersion, and laser-damage-resistant coatings, these lenses deliver stable optical performance under high-power and high-speed scanning conditions. Their flat-field scanning capability and outstanding optical quality make them well suited for precision micromachining, fine patterning, and demanding industrial UV laser processes.
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Key Features

  • Excellent Spot Uniformity
    Delivers exceptional spot roundness with excellent consistency between the center and edge areas of the scanning field, ensuring uniform energy distribution and stable processing quality.
  • High-Precision Focusing
    Generates an extremely small focal spot size, enabling precise micro- and nano-scale processing for demanding applications such as micro-engraving, fine patterning, and precision micromachining.
  • Superior Optical Performance
    Features ultra-low optical loss, high UV transmission efficiency, and a high laser damage threshold, ensuring reliable performance under demanding UV laser processing conditions.
  • Minimal Thermal Lensing Effects
    An optimized optical design minimizes thermal lensing effects, maintaining stable focal quality and ensuring long-term reliability during continuous high-speed operation.
Part Number Focal Length (mm) Input Aperture (mm) Scan Angle (°) Marking Field (mm) Laser Wavelength (nm) Focused Spot Size (μm) Dimensions (Ø×L) (mm) M1 (mm) M2 (mm) Working Distance (mm) Mount Thread
HT101205GFUVY 100 12 ±22 55 × 55 355 7 90 × 65 14.7 15 123 M85×1.0
HT131407GFUVY 135 14 ±20 65 × 65 355 8 135 × 157.5 17 20 150.3 M85×1.0
HT131265GFUVY 135 14 ±20 65 × 65 355 8 125 × 105 17 20 168.8 M85×1.0
HT161010HFUVO 161 10 ±25 100 × 100 355 10 90 × 53 12.6 15.8 196 M85×1.0
HT251016GFUV 254 10 ±25 165 × 165 355 17 95 × 54 12.6 21.35 309.5 M85×1.0
HT341416GFUVY 340 14 ±20 165 × 165 355 16 262 × 261 17 22 479 Flange
HT501420GFUVY 500 14 ±17 200 × 200 355 22.5 300 × 392 17 30 386 Flange
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