Lenses

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When lights are needed to focus or diverge in systems, lenses are used.

 

For different applications in various industries, single or cemented lenses of different shapes are designed, including plano-convex (PCX) or double-convex (DCX) lenses causing lights to focus, plano-concave (PCV) or double-concave lenses making lights diverge after passing through them, cemented lenses realizing aberration correction, ball lenses enjoying short back focal lengths (BFL), cylindrical lenses making lights form a line, condenser lenses collecting lights, aspheric lenses correcting spherical aberration and other more types.

 

Chenter supplies lenses made of various materials, including optical glass (Fused Silica, NBK7, NF2, NSF4 …) and crystals (Ge, CaF2, MgF2, Al2O3, Si, ZnSe …).

 

Upon requests, standard and customized coating options are available, ranging from ultraviolet (UV), visible (VIS), to Infrared (IR) wavelength.


Specifications

Size tolerance

up to +0/-0.02mm

Surface quality

up to 10/5 S/D

Surface flatness

up to L/10

Centration

up to 10 arc sec


Types
Plano-convex (PCX) lens

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Double-convex (DCX) lens

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Plano-concave (PCV) lens

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Double-concave lens

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Rod lens

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Meniscus lens

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Cylindrical lens

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Line generator lens

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Ball lens

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Drum lens

Rectangular lens

Condenser lens

Aspherical lens

Grin lens

Fresnel lens

Parabolic lens

Customized lenses


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