Nombre d'Abbe (v_d):

64.17

Biseau:

Protective as needed

Ouverture Utile CA (mm):

36.00

Diamètre (mm):

40.00 ±0.25

Épaisseur (mm):

4.00 ±0.20

Traitement:

MgF₂ (400-700nm)

Spécification du Traitement:

MgF₂: ¼λ @ 550nm, R_avg ≤1.75% @ 400 - 700nm

Coéfficient d'Expansion Thermique CTE (10^-6/°C):

7.1 (-30 to +70°C)
8.3 (+20 to +300°C)

Densité (g/cm³):

2.51

Bords:

Fine Ground

Indice de Réfraction n_d:

1.516

Dureté de Knoop (kg/mm²):

610

Parallélisme (arcmin):

≤5

Rapport de Poisson:

0.206

Substrat: Many glass manufacturers offer the same material characteristics under different trade names. Learn More

N-BK7

Précision de Surface:

1λ

Type:

Protective Window

Gamme de Longeur d'Onde (nm):

400 - 700

Module d'Élasticité de Young (GPa):

82

Conformité réglementaire

RoHS:

Conforme

Certificate of Conformance:

Visionner

Description commune pour les Produits de la même Famille

Feature Standard Designs and Specifications
Commercial Grade Float Glass and Fused Silica Windows Also Available
For More Options, View Precision Quality Optical Windows

N-BK7 windows are ideally suited for industrial applications. Available uncoated or with a MgF₂ anti-reflection coating, windows are often used as a protective element between two environments. Commercial Grade N-BK7 Windows offer commercial quality, at an affordable price.

40mm Dia. x 4mm MgF2 Coated, N-BK7 Window

Conformité réglementaire

Description commune pour les Produits de la même Famille

40mm Dia. x 4mm MgF₂ Coated, N-BK7 Window