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    透鏡概述

     

    Lenses have many applications ranging from the simple collection of the scanning of laser beams to precise imaging and image transfer. MT-Optics provides Plano Convex Lens, Plano Concave Lens, Double Convex Lens, Double Concave Lens, Achromatic Lens, Cylindrical Lens and Meniscus Lens with a wide range of sizes from dia3.0mm to dia300mm and materials including N-BK7, Fused Silica, N-SF5, Sapphire, CaF2, Silicon, Germanium, etc.

    Specifications:
    Material:------------------------------------------------N-BK7, H-K9L, Fused Silica, N-SF10, Silicon, Ge,CaF2, etc.
    Diameter Tolerance:------------------------------+0.0/-0.15mm (General), +0.0/-0.02mm (High Precision)
    Focal Length Tolerance (mm):-----------------+/-2%
    Centration:--------------------------------------------<3 arc minutes
    Clear Aperture:------------------------------------>80% (Small Size), >95% (Large Size)
    Surface Figure (per 25mm@632.8nm)----<1.5λ, (General), <λ/4 (High Precision)
    IRR ( @632.8nm)----------------------------------<λ/4 (General), <λ/10 (High Precision)
    Surface Quality:-------------------------------------60/40 (General), 10/5 (High Precision)
    Protected Bevel:-------------------------------------<0.25mmx45deg
    Coating:-----------------------------------------------uncoated, AR, HR, PR Coating, etc.

    LensesMaterialIllustration
    Plano Convex LensBK7
    Fused Silica
    CaF2 or Upon request
     
    Plano Concave LensBK7
    Fused Silica
    CaF2 or Upon request
     
    Double Convex LensBK7
    Fused Silica
    CaF2 or Upon request
     
    Double Concave LensBK7
    Fused Silica
    CaF2 or Upon request
     
    Achromatic Lens
    depended on the design
     
    Cylindrical LensBK7
    Fused Silica
    CaF2 or Upon request
     

     

     

    Lens Overview 


       PDF to download