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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

SWIR Longpass Filters

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  • 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.

Common Specifications

Thickness (mm):
1.20
Thickness Tolerance (mm):
±0.15
Dimensional Tolerance (mm):
+0.0/-0.2
Substrate:
Coating:
Traditional Coated
Surface Quality:
80-50
Wavelength Range (nm):
350 - 2500
Surface Flatness (P-V):
4 - 6λ

Products

 Dimensions (mm)  Dia. (mm)  Cut-On Wavelength (nm)   Thickness (mm)   Rejection Wavelength (nm)   Transmission Wavelength (nm)   Compare   Stock Number   Price  Buy
- 12.50 700.00 1.20 350 - 685 710 - 2500
- 25.00 700.00 1.20 350 - 685 710 - 2500
- 50.00 700.00 1.20 350 - 685 710 - 2500
50.0 x 50.0 - 700.00 1.20 350 - 685 710 - 2500
- 12.50 850.00 1.20 350 - 835 880 - 2500
- 25.00 850.00 1.20 350 - 835 880 - 2500
- 50.00 850.00 1.20 350 - 835 880 - 2500
50.0 x 50.0 - 850.00 1.20 350 - 835 880 - 2500

Technical Information

Custom

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.