Quantum Technologies - thorlabs
Fiber Collimation. Triplet or Quadruplet Lens Designs Provide Nearly Gaussian Output; Diffraction-Limited Wavefront Error: λ/8 (Peak-to-Valley, Typical) Ideal for Fiber-to-Free-Space Collimation or Coupling; Triplet Fiber Optic Collimators/Couplers. Three-Element, Air-Spaced-Lens Design; Focal Lengths Near 6 mm, 12 mm, 18 mm, or 25 mm