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0.15 OD, 25mm 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 #13-236 10 to 12 days
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₹6,351
Qty 1-10
₹6,351
Qty 11+
₹5,655
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Specifications

General

Type:
Neutral Density Filter
Stock No. of Uncoated Filter:

Physical & Mechanical Properties

Diameter (mm):
25.00
Thickness (mm):
2.50
Thickness Tolerance (mm):
±0.5
Dimensional Tolerance (mm):
±0.1
Parallelism (mm):
<0.02

Optical Properties

Optical Density OD (Average):
0.15 ± 0.03 @ 400-700nm (Uncoated Filter)
Nominal Optical Density @ Center of Coating:
0.29 @ 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):
1.50
Surface Quality:
80-50
Transmission (%):
70.0 (average) @ 400 - 700nm
Blocking Wavelength Range (nm):
400 - 700
Coating Specification:
Rabs ≤1.5% @ 750 - 800nm
Rabs ≤1.0% @ 800 - 1550nm
Ravg ≤0.7% @ 750 - 1550nm
Wavelength Range (nm):
750 - 1550

Material Properties

Transformation Temperature (°C):
470

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
REACH 241:

Product Details

  • Optical Densities from 0.1 to 4.0
  • VIS 0°, NIR I, and NIR II Coating Options
  • 12.5, 25, and 50mm Diameter Sizes
  • Uncoated HOYA or SCHOTT ND Filters Also Available

Anti-Reflection (AR) Coated HOYA Absorptive Neutral Density (ND) Filters feature HOYA colored glass substrates that are AR coated on both surfaces to reduce back reflections in the visible or near-infrared (NIR) spectra. VIS 0°, NIR I, and NIR II broadband AR coatings cover the spectral ranges of 425-675nm, 600-1050nm, and 750-1550nm. These neutral density filters attenuate light via absorption and can be stacked together to achieve custom optical densities to meet application requirements. Anti-Reflection (AR) Coated HOYA Absorptive Neutral Density (ND) Filters are ideal for use in imaging and detection applications to reduce stray light, as well as in general filter stacking applications to control intensity. The standard metric diameters of 12.5, 25, and 50mm are compatible with our TECHSPEC® C, S, and T-Mount Circular Optic Mounts for benchtop applications.

Technical Information

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25.0/25.4mm Optic Dia., Side Flange Direct Mount Fixed #36-414 ₹5,655
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25.0/25.4mm Optic Dia., L-Slot and Rotation Direct Mount Adjustable - Rotary #36-411 ₹8,091
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7.0 - 40.0 Optic Height, English Bar-Type Optic Holder Fixed #03-676 ₹8,439
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10.0 - 60.0mm Optic Height, Metric Bar-Type Optic Holder Fixed #55-530 ₹8,613
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19.5 - 108.0mm Optic Dia., Three-Screw Adjustable Ring Mount Fixed #03-670 ₹9,048
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25/25.4mm Dia., Kinematic Mount, 3-Screws, Quick Start Optical Mounts Adjustable - Tip-Tilt #17-523 ₹11,963
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25.0/25.4mm Optic Diameter, X-Y Translating Quick Start Optical Mounts Adjustable - Linear (XY) #17-513 ₹25,631
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25/25.4mm ID, Precision Gimbal Mount, Quick Start Optical Mounts Adjustable - Gimbal #17-517 ₹41,160
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