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25mm Diameter MgF2 Coated, Ultra-Thin N-BK7 Window

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Ultra-Thin N-BK7 Windows

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KRW 170,400
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KRW 136,300
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Abbe Number (vd):
64.17
Bevel:
Protective as needed
Clear Aperture CA (mm):
22.50
Diameter (mm):
25.00 +0.00/-0.10
Thickness (mm):
0.20 ±0.025
Coating:
MgF2 (400-700nm)
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
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 (arcsec):
<30
Poisson's Ratio:
0.206
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
20-10
Transmitted Wavefront, P-V:
λ/2
Type:
Protective Window
Wavelength Range (nm):
400 - 700
Young's Modulus (GPa):
82
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
10 J/cm2 @ 532nm, 10ns

Regulatory Compliance

RoHS 2015:
Reach 219:
Certificate of Conformance:

제품군의 상세 설명

  • 0.2mm 두께
  • 정밀한 N-BK7 재질
  • 초경량

    TECHSPEC® Ultra-Thin N-BK7 Windows는 당사의 윈도우 중 가장 얇은 윈도우이며 당사의 기존 N-BK7 윈도우 두께의 1/10에 불과합니다. 초박형 디자인은 질량 및 크기에 민감한 장비에 적용하기에 이상적입니다. 아울러 높은 허용 오차를 갖도록 설계되어 빔의 왜곡과 분산이 최소화됩니다. 제품은 비 코팅 처리 또는 MgF2 AR 코팅 처리가 가능합니다. 주문형 사이즈나 코팅 옵션에 대해서는 당사 영업부에 문의하시기 바랍니다.

    참고: Ultra-Thin N-BK7 Windows는 매우 약한 제품입니다. 취급 시 조심해서 다루시기 바랍니다.

    기술 정보

    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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