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4 OD, 50mm Dia., NIR II Coated, Absorptive ND Filter

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Anti-Reflection (AR) Coated HOYA Absorptive Neutral Density (ND) Filters

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Stock #13-268 5-7 Days
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NT$5,460
Qty 1-10
NT$5,460
Qty 11+
NT$4,795
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下載產品資料
Diameter (mm):
50.00
Optical Density OD (Average):
4 ±0.2 @ 400-700nm (Uncoated Filter)
Nominal Optical Density @ Center of Coating:
2.88 @ 1200nm
Glass/Filter Number:
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
ND Filter Glass
Coating:
NIR II (750-1550nm)
Index of Refraction nd:
1.531
Surface Quality:
80-50
Transformation Temperature (°C):
542
Thickness (mm):
2.85
Thickness Tolerance (mm):
±0.5
Transmission (%):
0.01 (average) @ 400 - 700nm
Type:
Neutral Density Filter
Blocking Wavelength Range (nm):
400 - 700
Dimensional Tolerance (mm):
±0.1
Parallelism (mm):
<0.02
Coating Specification:
Rabs ≤1.5% @ 750 - 800nm
Rabs ≤1.0% @ 800 - 1550nm
Ravg ≤0.7% @ 750 - 1550nm
Wavelength Range (nm):
750 - 1550
Stock No. of Uncoated Filter:

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 233:

產品系列說明

抗反射 (AR) 鍍膜 HOYA 吸收型中性密度 (ND) 濾光片採用 HOYA 彩色玻璃基材,兩面均有 AR 鍍膜, 可於可見光或近紅外線 (NIR) 光譜減少後向反射。VIS 0°、NIR I 及 NIR II 寬頻 AR 鍍膜,可涵蓋 425-675nm、600-1050nm 及 750-1550nm 等光譜範圍。本類中性密度濾光片可透過吸收減弱光線,並可堆 疊達成客製光學密度,以符合應用需求。抗反射 (AR) 鍍膜 HOYA 吸收型中性密度 (ND) 濾光片適用於成像 及偵測應用,可減少雜散光,此外也適用於一般濾光片堆疊應用以控制強度。12.5、25 及 50mm 等標準公 制尺寸與適用於工具台應用的TECHSPEC® C、S 及 T 圓形光學接環相容

 
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