2λ N-BK7 Optical Windows

2λ N-BK7 Optical Windows

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Type No. Data sheet MaterialsDiameter (mm)Thickness (mm)CoatingFlatness (P-V)
l-65651554 - BK7 or equivalent 30 5 Uncoated
l-556565623 - UV Fused Silica 20 2 Uncoated
L-xxx56565 - BK7 or equivalent 20x25 5 MgF2 AT 550nm

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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