Name: 25.4mm Dia. λ/20 Fused Silica Optical Flat
Brand: TECHSPEC
SKU: 43-408-000
Price: NT$6,405

25.4mm Dia. λ/20 Fused Silica Optical Flat

Stock #43-408-000 5-7 Days

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NT$6,405

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NT$6,405

Qty 11+
NT$5,775

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比較

下載產品資料

Surface Flatness (P-V):

λ/20

Abbe Number (v_d):

67.8

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)

Diameter (mm):

25.40 +0.00/-1.00

Thickness (mm):

12.70 ±1.5

Diameter (inches):

1.00 +0.00/-0.04

Thickness (inches):

0.50 ±0.06

Clear Aperture CA (mm):

22.90

Color:

Clear

Construction:

Single Surface

Density (g/cm³):

2.20

Index of Refraction n_d:

1.458

Knoop Hardness (kg/mm²):

522

Parallelism (arcmin):

≤3

Poisson's Ratio:

0.16

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

Fused Silica

Surface Quality:

60-40

Type:

Interferometry Window

Wavelength Range (nm):

200 - 2200

Young's Modulus (GPa):

Bevel:

Protective as needed

Regulatory Compliance

RoHS 2015:

Compliant

Reach 211:

Compliant

Certificate of Conformance:

View

產品系列說明

直徑尺寸從1/2"到12"
每個直徑75mm及以上的λ/20平面反射鏡都帶有校准證書
具有標準金屬反射鏡鍍膜：λ/10反射鏡及λ/20反射鏡

光學平面反射鏡主要用作參考（測光板），可用來對比未知光學表面的平面度。每片反射鏡都經過我們專業驗光師的巧手精確打磨而成，並使用Zygo干涉儀進行測試以確保表面精度。單面平面反射鏡的第二層表面則經過高度拋光，以達到等同可觀察干涉樣式的窗口片質量。每個光學平面都放置於一個非常結實的盒子中用於保存。每個光學平板玻璃出貨時都裝設於耐用的儲存箱之中，提供永久保護。而直徑75mm及以上的λ/20平面反射鏡都帶有校准證書。