14PCV25-05-1 Plano-Concave Lenses

Specifications

Material: BK7
Diameter: 12.7 mm
Focal Length: 25 mm
Edge Thickness, Te: 3.5 mm
Lens Type: Plano-Concave
Diameter Tolerance: +0.0, -0.12 mm
Thickness Tolerance: ±0.5 mm
Centration: <3 arc minutes
Clear Aperture: >90 %
Surface Irregularity: λ/8 @ 633 nm
Surface Quality: 40-20 scratch & dig
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Features


  • Negative focus length lenses with a flat and spherical surface

  • Diverges incident light for beam expansion and focal length adjustment

  • Available in multiple materials: BK7, UVFS, and CaF2

  • Diameter tolerance: +0.0, -0.12 mm

  • Thickness tolerance: ±0.5 mm

  • High surface irregularity for precise optical performance

  • Anti-reflection coatings available for enhanced performance

  • Clear aperture greater than 90% for efficient light transmission

Applications


  • Beam expansion in optical setups and imaging systems

  • Focal length adjustment in laser cavities and collimators

  • Research and development in photonics and optical engineering

  • Creation of divergent beams for various experimental purposes

  • Optics education and laboratory experiments