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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

25.4mm Dia., 1900 - 2200nm BBAR Coated, Ultrafast Thin Window

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Specifications

概況

Type:
Ultrafast Window

物理和機械特性

Bevel:
Protective as needed
Clear Aperture (%):
90
Diameter (mm):
25.40 +0.00/-0.10
Thickness (mm):
1.00 ±0.10
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
522
Parallelism (arcsec):
≤30
Poisson's Ratio:
0.16
Young's Modulus (GPa):
73

光學特性

Abbe Number (vd):
67.8
Coating:
BBAR (1900-2200nm)
Coating Specification:
Rabs <0.15% @ 1900 - 2200nm
Index of Refraction (nd):
1.458
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica IR Grade
Surface Quality:
20-10
Transmitted Wavefront, P-V:
λ/6
Wavelength Range (nm):
1900 - 2200

材料特性

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

Regulatory Compliance

RoHS:
Certificate of Conformance:

產品概覽

  • 以 1mm 厚度實現低 GDD
  • 低損耗寬頻 IBS 抗反射鍍膜
  • 專為 370nm 至 2200nm 波長所設計
  • 鍍膜 GDD 為 ±30fs2

TECHSPEC® 超快薄型窗鏡設計採用 1mm 厚度,以實現低群組延時色散 (GDD),是超快雷射應用的理想選擇。這類薄型窗鏡兩面均採用最佳的離子束濺鍍 (IBS) 寬頻抗反射鍍膜,於 370nm 至 2.2μm 波長範圍內提供低反射率。IBS 鍍膜製程也讓這類窗鏡具備更低的吸收損耗及散射,優於傳統鍍膜的抗反射窗鏡。TECHSPEC 超快薄型窗鏡也可用於需要高效能、體積精巧光學窗鏡的一般光學應用。我們也供應無鍍膜薄型窗鏡基材(紫外線熔融石英或紅外線級熔融石英),以提供客製鍍膜的彈性,因應各種應用需求;請與我們聯絡瞭解詳情。

紅外線等級熔融石英與紫外線等級熔融石英的差異,在於前者能夠減少 OH- 離子量,在整個近紅外線光譜產生更高的穿透效果,並在紫外線光譜減少穿透。

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