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All Products / Optics / Optical Filters / Longpass Filters / SWIR Longpass Filters
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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

50mm Diameter, 850nm Cut-On SWIR Longpass Filter

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Stock #86-451 3-4 days
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£121.55
Qty 1-9
£121.55
Qty 10+
£102.77
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Diameter (mm):
50.00
Cut-On Wavelength (nm):
850.00
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
BOROFLOAT®
Coating:
Traditional Coated
Rejection Wavelength (nm):
350 - 835
Surface Quality:
80-50
Thickness (mm):
1.20
Thickness Tolerance (mm):
±0.15
Transmission Wavelength (nm):
880 - 2500
Type:
Longpass Filter
Dimensional Tolerance (mm):
+0.0/-0.2
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:
Compliant
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Certificate of Conformance:
View
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REACH 241:
Compliant
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Product Family Description

  • 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.