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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

25mm Diameter, 850nm Cut-On SWIR Longpass Filter

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Stock #86-450 20+ In Stock
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₹7,084
Volume Pricing
Qty 1-9 ₹7,084 each
Qty 10-25 ₹6,384 each
Qty 26-49 ₹6,072 each
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Specifications

General

Type:
Longpass Filter

Physical & Mechanical Properties

Diameter (mm):
25.00
Thickness (mm):
1.20 ±0.15
Dimensional Tolerance (mm):
+0.0/-0.2

Optical Properties

Cut-On Wavelength (nm):
850.00
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Coating:
Traditional Coated
Rejection Wavelength (nm):
350 - 835
Surface Quality:
80-50
Transmission Wavelength (nm):
880 - 2500
Cut-On Wavelength (μm):
0.85
Coating Specification:
Tavg <0.5% @ 350 - 835nm
Tavg >85% @ 880 - 1700 nm
Tavg >75% @ 1700 - 2500nm
Wavelength Range (nm):
350 - 2500
Surface Flatness (P-V):
4 - 6λ

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
REACH 241:
Country of Origin:
United States
Imported By:
Edmund Optics India Private Limited

Need different specs or modifications?

Edmund Optics offers comprehensive custom manufacturing services for optical and imaging components tailored to your specific application requirements. Whether in the prototyping phase or preparing for full-scale production, we provide flexible solutions to meet your needs. Our experienced engineers are here to assist—from concept to completion.

Our capabilities include:

  • Custom dimensions, materials, coatings, and more
  • High-precision surface quality and flatness
  • Tight tolerances and complex geometries
  • Scalable production—from prototype to volume

Learn more about our custom manufacturing capabilities or submit an inquiry here.

Product Details

  • Block Visible Wavelengths
  • Ideal for Machine Vision Applications
  • Can Be Used as Cold Mirrors
  • Additional Longpass Edge Filters Available

Designed to pass short-wave infrared (SWIR) wavelengths while blocking visible light, TECHSPEC® SWIR Longpass Filters are ideal for increasing the image quality of InGaAs cameras in a variety of machine vision applications. These longpass edge filters are offered in multiple sizes and cut-on wavelengths. TECHSPEC SWIR Longpass Filters can also be used as extended cold mirrors to eliminate damage or adverse effects caused by heat build-up.

Technical Information

Compatible Mounts

 
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