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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® 부품은 에드몬드 옵틱스가 설계, 사양 지정 및 제조하는 제품입니다. 더 알아보기

75mm Dia. x 5mm Thick, BBAR (2000-5000nm) Coated Calcium Fluoride Window

TECHSPEC Calcium Fluoride (CaF2) Windows

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재고 #23-525 3~5일내 배송
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Quantity Selector - Use the plus and minus buttons to adjust the quantity. +
KRW 1,363,000
수량 1-10
KRW 1,363,000
수량 11+
KRW 1,203,500
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Product Details

Type:
Protective Window

Physical & Mechanical Properties

Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
67.50
Diameter (mm):
75.00 +0.0/-0.1
Thickness (mm):
5.00 ±0.1
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
158.3
Parallelism (arcmin):
<1
Poisson's Ratio:
0.26
Young's Modulus (GPa):
75.8

Optical Properties

Abbe Number (vd):
94.99
Axis Orientation:
Random
Coating:
BBAR (2000-5000nm)
Coating Specification:
Ravg <1.5% @ 2000-5000nm
Rabs <3.0% @ 2000-5000nm
Ravg <1.75% @ 2000-4000nm
Index of Refraction nd:
1.434
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Calcium Fluoride (CaF2) Vacuum UV Grade
Surface Flatness (P-V):
λ/2
Surface Quality:
40-20
Wavelength Range (nm):
2000 - 5000

Material Properties

Coefficient of Thermal Expansion CTE (10-6/°C):
18.85
Density (g/cm3):
3.18

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 235:

제품군의 상세 설명

  • 흡수율이 낮고 투과율이 높은 UV 등급의 플루오르화 칼슘(CaF2)
  • 굴절률 낮음
  • 250 - 5000nm 파장 대역에 대한 무반사(AR) 코팅 가능
  • Calcium Fluoride (CaF2) Wedged Window 보유

해당 제품은 굴절률이 낮아 비코팅 옵션을 선택할 경우 200 - 7000nm 파장 대역에서 투과율이 높습니다. 투과율을 더 높이고 입사광이 원위치로 다시 반사되는 경우를 줄이려면 UV-MWIR 스펙트럼을 커버하는 무반사(AR) 코팅 옵션 중에 선택하면 됩니다. 플루오르화 칼슘(CaF2)은 벌크 손상 임계값이 높고 흡수율이 낮아 엑시머 레이저 등의 레이저 시스템과 함께 사용하기에 적합합니다. 해당 제품은 진공자외선(Vacuum UV, VUV) 및 중파적외선(MWIR)에서 작동하는 가스 감지기, 자외선 분광 시스템, 극저온 냉각 열 이미징 시스템에서의 보호용 윈도우나 광대역 기판 투과가 필요한 코팅용 기판으로 사용하기에 적합합니다.

참고: 플루오르화 칼슘(CaF2)은 비교적 부드러운 광학 소재로 일반적인 글래스 윈도우보다 스크래치에 더 취약합니다.

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BBAR Coating

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