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描述
RFQ

Drum lens

Product Info

Drum lenses are glass spheres, ground down axially to provide a mounting surface. The ground circumference D simplifies handling issues typically associated with ball lenses. Ideal for optical transmission in fiber communications. Type B Drum lenses have a polished plano-surface for direct fiber contact and perform as elongated PCX lenses.

 

 guxingtoujin



Specifications  

 

Material:

N-BK7, grade A fine annealed

Diameter:

+0/-0.20mm  

Clear aperture:

>80% of diameter

Radius:  

+0/-0.0015mm  

Length:

+/-0.03mm

Centration:

< 3 arc minutes

Surface quality:  

60-40 S/D

Irregularity:  

λ/4@632.8nm  

Coating:

With or without AR coating

Bevel:

< 0.3mm x 45°



Drum lenses are glass spheres, ground down axially to provide a mounting surface. The ground circumference D simplifies handling issues typically associated with ball lenses. Ideal for optical transmission in fiber communications. Type B Drum lenses have a polished plano-surface for direct fiber contact and perform as elongated PCX lenses.

 

 guxingtoujin



Specifications  


Material:

N-BK7

Diameter:

+0/-0.20mm  

Clear aperture:

>80% of diameter

Radius:  

+0/-0.0015mm  

Length:

+/-0.03mm

Centration:

< 3 arc minutes

Surface quality:  

60-40 S/D

Irregularity:  

λ/4@632.8nm  

Coating:

With or without AR coating

Bevel:

< 0.3mm x 45°