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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

150mm Dia., 10mm Thick, VIS-NIR Coated λ/4 N-BK7 Window

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Stock #26-677 聯絡我們
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下載產品資料
Abbe Number (vd):
64.17
Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
135.00
Diameter (mm):
150.00 +0.0/-0.25
Thickness (mm):
10.00 ±0.20
Coating:
VIS-NIR (400-1000nm)
Coating Specification:
Rabs ≤0.25% @ 880nm
Ravg ≤1.25% @ 400 - 870 nm
Ravg ≤1.25% @ 890 - 1000nm
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
Edges:
Fine Ground
Index of Refraction nd:
1.516
Knoop Hardness (kg/mm2):
610
Parallelism (arcmin):
<1
Poisson's Ratio:
0.206
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Flatness (P-V):
λ/4
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
400 - 1000
Young's Modulus (GPa):
82
Note:
Surface Flatness is specified per inch
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
5 J/cm2 @ 532nm, 10ns

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 235:

產品系列說明

  • 提供2mm 到 200mm尺寸的圓形和方形版本選項
  • 7 種寬頻抗反射鍍膜選項
  • 業內最齊全標準N-Bk7 窗鏡選項
  • 另有 超薄 N-BK7 窗鏡可供選擇

TECHSPEC® λ/4 N-BK7 精密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,可以最大程度減少光束畸變與散射。廣波段鍍膜選項可延伸這些精密窗口片在可見光與近紅外光譜內的有效工作範圍。TECHSPEC® λ/4 N-BK7 精密窗口片 提供2mm 到 200mm尺寸的圓形和方形版本選項。

注意:此產品系列的新增產品可能會指定透射波前畸變 (TWD) 規格,而不是表面平整度。有關這兩種規格之間差異的更多信息,請參閱我們的應用說明“了解光學窗口片”。

技術資訊

N-BK7

Typical transmission of a 3mm thick, uncoated N-BK7 window across the UV - NIR spectra.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with MgF2 (400-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 1.75% @ 400 - 700nm (N-BK7)

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS-EXT (350-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.5% @ 350 - 700nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS-NIR (400-1000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 0.25% @ 880nm
Ravg ≤ 1.25% @ 400 - 870nm
Ravg ≤ 1.25% @ 890 - 1000nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS 0° (425-675nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.4% @ 425 - 675nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with YAG-BBAR (500-1100nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 0.25% @ 532nm
Rabs ≤ 0.25% @ 1064nm
Ravg ≤ 1.0% @ 500 - 1100nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with NIR I (600 - 1050nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.5% @ 600 - 1050nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with NIR II (750 - 1550nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 1.5% @ 750 - 800nm
Rabs ≤ 1.0% @ 800 - 1550nm
Ravg ≤ 0.7% @ 750 - 1550nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

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