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0.4 OD, 25mm Dia., Precision Anti-Reflection (AR) Coated Absorptive ND Filter

Precision Absorptive Neutral Density (ND) Filters

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Stock #16-053 聯絡我們
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NT$3,749
Volume Pricing
Qty 1-10 NT$3,749 each
Qty 11-25 NT$3,389 each
Qty 26-49 NT$3,064 each
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Specifications

概況

Type:
Neutral Density Filter

物理和機械特性

Diameter (mm):
25.00
Thickness (mm):
3.78 (nominal)
Clear Aperture (%):
90
Parallelism (arcsec):
<30

光學特性

Optical Density OD (Average):
0.4 ±10% @ 550nm
Glass/Filter Number:
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
ND Filter Glass
Coating:
BBAR (450-700nm)
Index of Refraction (nd):
1.50
Surface Quality:
80-50
Transmission (%):
39.81
Blocking Wavelength Range (nm):
400 - 700
Transmitted Wavefront, P-V:
λ/4
Coating Specification:
Ravg ≤1.0% @ 450 - 700nm @ 0°

材料特性

Transformation Temperature (°C):
481

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
REACH 241:

產品概覽

精密吸收型中性密度 (ND) 濾光片採用 SCHOTT NG 彩色玻璃基材,以拋光處理達到 λ/4 的穿透波前畸變 (TWFD) 規格。這類濾光片兩面均鍍有 450 - 700nm 的抗反射 (AR) 鍍膜,可減少後向反射及濾光片堆疊的損耗及失真。精密吸收型中性密度 (ND) 濾光片提供 0.1 至 4.0 的光學密度,可堆疊達成客製光學密度,以符合應用需求。本系列中性密度濾光片供應 25mm 直徑或 50mm 方形尺寸,適用於機器視覺、成像或低功率雷射應用。

Technical Information

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