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50.8mm Dia., 4mm Thick, 3-5μm BBAR Coated, ISP Optics Silicon (Si) Window | HDAR35-SI-W-50-4

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Product Details

Type:
Protective Window
Model Number:
HDAR35-SI-W-50-4

Physical & Mechanical Properties

Bevel:
Protective as needed
Clear Aperture (%):
85
Clear Aperture CA (mm):
43.18
Diameter (mm):
50.80 +0.00/-0.13
Thickness (mm):
4.00 ±0.13
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
1150
Parallelism (arcmin):
<3
Poisson's Ratio:
0.265
Young's Modulus (GPa):
140

Optical Properties

Coating:
BBAR (3000-5000nm)
Coating Specification:
R<sub>avg</sub> <0.5% @ 3 - 5μm<br/>R<sub>abs</sub> <1.5% @ 3 - 5μm
Index of Refraction nd:
3.422 @ 5µm
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):
3000 - 5000

Material Properties

Coefficient of Thermal Expansion CTE (10-6/°C):
2.55
Density (g/cm3):
2.33

Regulatory Compliance

RoHS:
Certificate of Conformance:

제품군의 상세 설명

  • 1.2 - 7μm 파장 대역에서 투과
  • 비코팅 옵션 제공 혹은 3 – 5µm 파장 대역으로 HDAR 코팅 처리 가능
  • 부품이 가벼워야 하는 어플리케이션에 적합

해당 제품은 NIR 및 MWIR 스펙트럼(1.2 - 7μm 파장 대역)에서 투과가 가능합니다. 제품의 누프 경도는 1150이며 실리콘이 저마늄(Ge)보다 단단하고 잘 깨지지 않습니다. HDAR 코팅 옵션은 기판의 내구성을 높이고 3 - 5μm 파장 대역에서의 투과율을 크게 개선하여 제품을 열악한 환경에서도 사용할 수 있게 해줍니다. 밀도가 2.329g/cm³이며 이는 저마늄이나 셀렌화 아연(ZnSe)의 절반 수준으로 낮기 때문에 부품이 가벼워야 하는 적외선 어플리케이션에 적합합니다. NIR 이미징 어플리케이션에 맞는 제품으로 온도가 700K(약 427˚C)인 흑체에서 방사되는 광원을 감지하는 데 사용할 수 있습니다.

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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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Bevel

Parallelism

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