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Drum Lenses

Material

Optical glass like BK7, Fused Silica, CaF2, Sapphire, Germanium, ZnSe

Surface quality, S-D

10-5 Laser Quality*

Focal length tolerance

± 0.5%*

Coatings

On request

*Depending on size and material

Dimensions

1.5-300mm

Surface irregularity, P-V

PV<1/20λ@633nm*

Centration error

<1 arcmin

DESCRIPTION

Drum lenses are spherical at both ends, which can provide a position surface along the optical axis. Ball lenses are formed by grinding an outer circle on a ball lens in order to mount conveniently. These are ideal for optical transmission in fiber communication applications

Are you interested? Don’t hesitate and fill request form.

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