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38.1mm Dia., 4mm Thick, Uncoated, ISP Optics Barium Fluoride (BaF2) Window | BF-W-38-4

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Product Details

Type:
Protective Window
Model Number:
BF-W-38-4

Physical & Mechanical Properties

Bevel:
Protective as needed
Clear Aperture (%):
85
Clear Aperture CA (mm):
32.38
Diameter (mm):
38.10 +0.00/-0.13
Thickness (mm):
4.00 ±0.13
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
82
Parallelism (arcmin):
<3
Poisson's Ratio:
0.343
Young's Modulus (GPa):
53

Optical Properties

Abbe Number (vd):
81.78
Axis Orientation:
Random
Coating:
Uncoated
Index of Refraction nd:
1.48
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Flatness (P-V):
Surface Quality:
40-20
Wavelength Range (nm):
200 - 12000

Material Properties

Coefficient of Thermal Expansion CTE (10-6/°C):
18.1
Density (g/cm3):
4.89

Environmental & Durability Factors

Operating Temperature (°C):
Maximum: 800

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 240:

제품군의 상세 설명

  • 0.2 - 12μm 파장 대역에서 투과율 높음
  • 고에너지 방사선에 강함
  • 무반사(AR) 코팅 처리를 하지 않았음에도 투과율 높음

해당 제품은 굴절률이 낮아 무반사(AR) 코팅 처리가 필요하지 않고 0.2 - 12μm 파장 대역에서 투과율이 높습니다. 플루오르화 바륨(BaF2)은 플루오르화 칼슘(CaF2)과 물리적으로 비슷한 특성을 갖지만 고에너지 방사선에는 더 강합니다. 따라서 플루오르화 바륨은 높은 방사선 저항력이 요구되는 진공자외선(Vacuum UV, VUV) 어플리케이션에 적합하며 열화상 기법과 레이저 분광법이 이에 해당합니다. 습도가 낮은 환경에서는 최대 800°C까지 견딜 수 있고 습기에 장시간 노출되면 자외선 영역에서 투과율이 낮아질 수 있습니다.

참고: 해당 제품은 열충격에 매우 취약합니다.

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You offer many substrates for UV and IR applications. How do I know which is best for me?

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BBAR Coating

표면 품질 이해하기

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보호용 플라스틱 코팅 제거

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