Del Mar Photonics
 

Solar Prisms for Concentrating Photovoltaic Systems (CPV)
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Specification

Material

Normally K9BK7or quartz, other optical material can be made according to customers requirement.

Tolerance

Low precision

Standard Precision

High Precision

Glass

nd

0.001

0.0005

0.0001

vd

0.8%

0.3%

0.1%

Dimension Tolerance (mm)

0.20

0.10

+0.01/-0.01

Angle Tolerance (θⅠ)

10 minutes

3-5 minutes

10 second

Angle Tolerance (θⅡ)

10 minutes

3-5 minutes

10 second

Scratch-DigS-D

80-50

60-40

10-5

Wave-front Distortion @632.8nm

λ per 25mm

λ/4per 25mm

λ/20 per 25mm

Clear Aperture

80%

90%

100%

Bevel

0.20.10mmx45 or upon requirement

No bevel

Coating

Customer coating is available.  

 

 

Note: The general tolerance specifications above provide a guideline regarding manufacturing capabilities for optics ranging in size from 3-200mm., & tighter tolerances may be possible. The part specific tolerances may vary depending on component size, shape, and/or material.

 

Solar prism light concentrator