Abbe Number (v_d):

72.24

Axis Orientation:

Random

Bevel:

Protective as needed

Birefringence (n_o-n_e):

0.008 for Visible Light Orthogonal to Optical Axis

Clear Aperture (%):

90.00

Clear Aperture CA (mm):

18.00

Diameter (mm):

20.00 +0.00/-0.25

Thickness (mm):

2.00 ±0.1

Coating:

Uncoated

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

8.8

Density (g/cm³):

3.97

Edges:

Fine Ground

Index of Refraction n_d:

1.77

Knoop Hardness (kg/mm²):

1900

Parallelism (arcmin):

≤3

Poisson's Ratio:

0.27

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

Sapphire (Al₂O₃)

Surface Flatness (P-V):

λ/4

Surface Quality:

40-20

Type:

Protective Window

Wavelength Range (nm):

200 - 5500

Young's Modulus (GPa):

435

Regulatory Compliance

RoHS 2015:

Compliant

Reach 197:

Compliant

Certificate of Conformance:

View

產品系列說明

λ/4表面精度
嚴謹公差設計，可實現卓越的效能
對紫外線至中波紅外範圍內的光具有極佳的穿透能力

若應用 (包括成像或光譜儀應用) 需要對0.2 - 5.5μm的光具有絕佳的廣波段穿透能力且需求嚴苛，則TECHSPEC®精密藍寶石窗口片非常適用。TECHSPEC®精密藍寶石窗口片除了具備藍寶石的固有特性 (包括高介電常數、高導熱性、極高的表面硬度，以及對許多化學酸與鹼的抵抗力) 之外，還採用嚴謹公差設計以提升系統效能。此外，由於藍寶石的結構強度很高，因此藍寶石窗口片較同類的標準玻璃窗口片更薄，從而能最大限度減少吸收。

20mm Dia. λ/4 Uncoated, Precision Sapphire Window

Regulatory Compliance

產品系列說明