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 [email protected])----<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 


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