Planoptiken
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Optik-Mechanik-Thermik

Plano and Parallel Plates, Filters, Mirrors

Plano optics for varied applications: plano plates; wedge-shaped plates with customized shapes and angles; elliptical plano and parallel plates; windows and mirrors; filter glasses

Manufacturing Tolerances

Dimensions from 5 to 100 mm as well as rectangular shape.

 

Tolerances

Commercial quality

Precision quality

Manufacturing limits

GlassQuality

Nd

+/-0.001

+/-0.0005

Melt controlled

 

Vd

+/-0.8%

+/-0.3%

Melt controlled

Diameter(mm)

+0/-0.10

+0/-0.05

+0/-0.01

Center Thickness(mm)

0.10

0.02

0.005

Scratch-Dig

80-50

40-20

10-5

Power (fringe)

2

1

0.2

Irregularity (fringe)

2

0.5

0.1

Parallelism (arc min)

3~5 arc minutes

1 arc minute

0,5 arc min

Bevels

Upon requirement

No bevel

Coatings

Upon requirement