Name: 20mm Diameter, 980nm V-Coat, λ/4 N-BK7 Window
Brand: TECHSPEC
SKU: 83-520
Price: NT$3,010

Bevel:

Protective as needed

Clear Aperture CA (mm):

18.00

Coating:

Laser V-Coat (980nm)

Coating Specification:

R_abs <0.25% @ 980nm

Diameter (mm):

20.00 +0.00/-0.25

Thickness (mm):

3.00 ±0.20

Design Wavelength DWL (nm):

980

Parallelism (arcmin):

≤1

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

N-BK7

Surface Flatness (P-V):

λ/4

Surface Quality:

60-40

Type:

Laser Line Window

Young's Modulus (GPa):

82

Coefficient of Thermal Expansion CTE (10^-6/°C):

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

Density (g/cm³):

2.51

Index of Refraction n_d:

1.516

Poisson's Ratio:

0.206

Abbe Number (v_d):

64.17

Edges:

Fine Ground

Regulatory Compliance

RoHS 2015:

Compliant

Certificate of Conformance:

View

Reach 235:

Compliant

產品系列說明

在設計波長範圍內的反射率小於0.25%
針對氦氖、二極體及 Nd:YAG 雷射光源提供鍍膜
精密的N-BK7基底
也提供無鍍膜、MgF₂ 鍍膜及 VIS 0° 鍍膜

TECHSPEC® λ/4 N-BK7雷射光窗口片非常適用於工業與低功率雷射應用。藉由精密公差設計，可以產生最小的光束畸變和散射。在鍍膜的設計波長範圍內，抗反射鍍膜可提供小於0.25%的反射率。

20mm Diameter, 980nm V-Coat, λ/4 N-BK7 Window

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Regulatory Compliance

產品系列說明