Name: 20mm Dia., 2mm Thick, Uncoated, λ/4 Fused Silica Window
Brand: TECHSPEC
SKU: 14-961
Price: NT$3,069

Abbe Number (v_d):

67.8

Bevel:

Protective as needed

Clear Aperture (%):

Clear Aperture CA (mm):

18.00

Diameter (mm):

20.00 +0.00/-0.10

Thickness (mm):

2.00 ±0.10

Coating:

Uncoated

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

0.52 (+5 to +35°C)
0.57 (0 to +200°C)
0.48 (-100 to +200°C)

Density (g/cm³):

2.20

Edges:

Fine Ground

Index of Refraction n_d:

1.458

Knoop Hardness (kg/mm²):

522

Parallelism (arcmin):

Poisson's Ratio:

0.16

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

Fused Silica (Corning 7980)

Surface Quality:

40-20

Transmitted Wavefront, P-V:

λ/4

Type:

Protective Window

Wavelength Range (nm):

200 - 2200

Young's Modulus (GPa):

Regulatory Compliance

RoHS:

Compliant

產品系列說明

供應未鍍膜或 BBAR 鍍膜版本，適用於紫外線、可見光及近紅外線
是成像應用的理想選擇
10 至 75mm 的標準直徑尺寸
同時供應1λ 或 λ/10 紫外線熔融石英窗鏡

TECHSPEC® λ/4 紫外線熔融石英窗鏡，是以 40-20 的表面品質及 λ/4 穿透波前規格製造，是成像應用的理想選擇。本系列窗鏡採用紫外線熔融石英基材，可在紫外線 (UV)、可見光乃至於近紅外線 (NIR) 之中提供高穿透率。其中提供寬頻抗反射 (BBAR) 鍍膜選項，協助盡量減少反射損耗並提升穿透率。TECHSPEC λ/4 紫外線熔融石英窗鏡可用於光學成像應用及中低功率雷射應用，並可作為保護窗鏡，特別是在需要穿透紫外線光的應用。標準尺寸為 10 至 75mm 直徑，並提供各種不同厚度；如果您的應用需要客製尺寸或鍍膜，請與我們聯絡。

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