25.4mm Dia. x -75mm FL, 8 - 12µm BBAR Coated, ISP Optics Zinc Selenide (ZnSe) Negative Meniscus Lens | AR812-ZC-NM-25-76

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Stock #24-907 New 5-7 Days
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NT$20,475
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NT$20,475
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下載產品資料
Diameter (mm):
25.40 +0.00/-0.13
Effective Focal Length EFL (mm):
-75.00 @ 10.6μm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Zinc Selenide (ZnSe), CVD Grade
f/#:
2.95
Numerical Aperture NA:
0.17
Coating:
BBAR (8000-12000nm)
Type:
Meniscus Lens
Wavelength Range (nm):
8000 - 12000
Center Thickness CT (mm):
2.70 ±0.20
Centering (arcmin):
<3
Clear Aperture (%):
90
Clear Aperture CA (mm):
22.86
Coating Specification:
Ravg <0.5% @ 8 - 12μm
Rabs <1% @ 8 - 12μm
Edge Thickness ET (mm):
3.50
Focal Length Tolerance (%):
±2
Model Number:
AR812-ZC-NM-25-76
Radius R1 (mm):
66.25
Radius R2 (mm):
182.39
Surface Quality:
60-40
Irregularity (P-V) @ 10.6μm:
λ/20

Regulatory Compliance

RoHS:
Certificate of Conformance:

產品系列說明

  • 彎月型正透鏡或負透鏡
  • CVD 級硒化鋅 (ZnSe) 是 CO2 系統的理想選擇
  • 可提供無鍍膜或適用8 – 12µm範圍內的 BBAR 鍍膜

ISP Optics 硒化鋅(ZnSe)彎月透鏡採用正負彎月設計,將球面像差降至最低。正彎月透鏡可以實現比平凸透鏡更小的光斑尺寸,是CO2 雷射應用中精確打標或切割的理想選擇。負彎月透鏡用於增加焦距,與其他透鏡一起使用時,可減少光學系統的數值孔徑。ISP Optics 硒化鋅彎月透鏡有標準英制尺寸,可以選擇無鍍膜或寬頻抗反射(BBAR)鍍膜,以增強 8 – 12µm 範圍內的穿透。

 
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