Cylindrical Lenses

Featured Product from Avantier Inc.

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Avantier manufactures high-precision cylindrical optics designed for the rigorous demands of laser beam conditioning, spectroscopic imaging, and aerospace metrology. By integrating advanced manufacturing with proprietary CGH (Computer-Generated Hologram) interferometry, we ensure every lens—from standard plano-convex to complex aspheric profiles—delivers the exact wavefront quality your application requires.

Unlike spherical lenses, a cylindrical lens is highly sensitive to angular orientation. A misalignment of even a fraction of a degree can introduce unwanted residual astigmatism, degrading the beam quality (M2) significantly.

Our Capabilities & Technical Specifications

We provide both standard and custom cylindrical solutions with a focus on minimizing rotational alignment errors and surface irregularities.

Parameter Standard Specification High-Precision / Custom
Substrates N-BK7, Fused Silica CaF2, Ge, Si, ZnSe, SiC
Surface Quality 40-20 Scratch-Dig 20-10 or 10-5 Scratch-Dig
Clear Aperture >90% of central dimension Custom
Surface Figure < λ/4 @ 633nm Up to λ/10 (Application dependent)
Centration / Wedge < 3 arcmin Sub-arcminute precision