λ/4 N-BK7 Precision Windows

λ/4 N-BK7 Precision Windows

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For a quote on your custom requirements please send us your drawing or specification.

Please contact us for discount pricing for stock parts over 10+ and volume/OEM quantities

Type No. PDF Drawings MaterialsDiameter (mm)Thickness (mm)CoatingFlatness (P-V)Unit Price (USD)
W-01010050006 PDF > -50.00 6.00 Uncoated λ/4 -
W-01010050004 PDF > BK7 or equivalent 50.00 4.00 Uncoated λ/4 -

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Diameter (mm)

0 200

Thickness (mm)

1 15

Materials

BK7 or equivalent
UV Fused Silica
Sapphire

Coating

Uncoated
MgF2 AT 550nm
BBAR Ravg<0.35% AT 420-680nm
BBAR Ravg<0.8% AT 400-900nm
BBAR Ravg<0.5% AT 630-1100nm
BBAR Ravg<0.5% AT 750-1500nm

Flatness (P-V)

λ/4