Knight Optical Z-Cut石英光學偏振器，石英窗口，波片，硒化鋅/硫化鋅窗口，硒化鋅/硫化鋅透鏡

石英（SiO2）是一種通常用于制造的雙折射材料偏振器（如波片）和窗口。材料的雙折射性特性意味著它有兩個折射率，入射光分為普通光線和非尋常光線。z切口的使用使得晶體的光軸垂直于平坦表面，從而使普通光線和非尋常光線沿著相同的路徑穿過晶體并保持光束的偏振。石英能很好地切割和拋光，不溶于水。它在0.18-3.5μm的范圍內高達90%的透射率，適用于紅外和可見光譜。此外，該材料在通常稱為太赫茲區域。這種電磁輻射用于機場掃描儀，可以掃描他們的衣服下面，以防止武器被帶上飛機。

Material: Zinc Selenide / Zinc Sulphide
Diameter: +0.0/-0.2mm
Thickness: ±0.2mm
Surface Flatness @ 633nm: <2λ over 90% CA
Surface Quality (S/D): <60/40
Parallelism: <5’

Diameter: 3mm to 100mm+
Focal Length: up to 5000mm
Radii: up to 5000mm
Centre Thickness: up to 30mm
Clear Aperture: >90%
Form Error: <0.25λ
Centration: <1’
Surface Quality: <40-20

Part No. Material D (mm) T (mm) Coating Coated
WZN1001 ZnSe 10 1 Uncoated None
WZN1011 ZnS 10 1 Uncoated None
WZN1211 ZnS 12 1 Uncoated None
WZN1300 ZnSe 12 2 Uncoated None
WZN1301 ZnSe 13 2 Uncoated None
WZN1312 ZnS 13 2 Uncoated None
WZN1911 ZnS 19 1 Uncoated None
WZN2000 ZnSe 20 1 Uncoated None
WZN2500 ZnSe 25 1 Uncoated None
WZN2502 ZnS 25 1 Uncoated None
WZN2501 ZnSe 25 2 Uncoated None
WZN2503 ZnS 25 2 Uncoated None
WZN3200 ZnSe 32 3 Uncoated None
WZN5000 ZnSe 50 3 AR 10.6 microns Both

Part No. Form Focal Length (mm) Diameter (mm)
LZN2530 Planoconvex 30 25.4 Uncoated
LZN2565 Planoconvex 65 25.4 Uncoated
LZN2566 Planoconvex 65 25.4 AR Coated
LZN2515 Planoconvex 150 25.4 Uncoated
LZN2516 Planoconvex 150 25.4 AR Coated
LZN2520 Planoconvex 195 25.4 Uncoated
LZN2521 Planoconvex 195 25.4 AR Coated
LZN2525 Planoconvex 250 25.4 Uncoated
LZN2526 Planoconvex 250 25.4 AR Coated
LZN2550 Planoconvex 500 25.4 Uncoated
LZN2551 Planoconvex 500 25.4 AR Coated