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Drum Lens

A Drum Lens is a variation of a ball lens where a portion of the ball is ground down to a smaller diameter. These lenses are used in similar applications to those of ball lenses. The Drum Lens adds the ability to handle and package it in a different way.


Features:
Cylindrical Sides with Convex curvatures
Typical Ball lens Performance
High Transmittance
Low Reflectance
Accurate Wavelength manipulation

Applications:
Compact Fiberoptical Components
Laser Systems
Micro Optical Devices
Optical Assemblies

 
Specifications:
Material BK7 grade A, B270, UV grade Fused Silica, Sapphire etc.
Diameter () Tolerance +0/-0.05mm (Standard), up to +0.000/-0.002mm
Length (L) Tolerance 0.05mm (Standard), up to +0/-0.002um
Surface Quality 60-40 S/D (Standard), up to 20-10 S/D
Coating none

BK7 Drum Lens Standard Products:

Part No.
(mm)
L(mm)

ODL02025

2.0

2.5

ODL02030

2.0

3.0

ODL03040

3.0

4.0

ODL04050

4.0

5.0

 
 
Note: Coatings and other materials are available upon request.

Sapphire Dome, Jewel Ball, Ruby Ball and Jewel Blind Holed Ball etc are also available upon request.

TEMTO is an OEM manufacturer, and we don´t have much standard products in stock. So please contact us for your custom optics. We will do strictly according to your requirements.

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