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

1150nm 12.5mm Dia, High Performance Longpass Filter

High Performance OD 4.0 Longpass Filters

High Performance OD 4.0 Longpass Filters
High Performance OD 4.0 Longpass Filters
Stock #89-657
Qty 1-5
Qty 6+
Volume Pricing
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Diameter (mm):
12.50 +0.0/-0.2
Cut-On Wavelength (nm):
Thickness (mm):
Thickness Tolerance (mm):
Rejection Wavelength (nm):
200 - 1130
Transmission Wavelength (nm):
1170 - 1650
Wavelength Range (nm):
200 - 1650
Angle of Incidence (°):
Optical Density OD (Average):
Hard Coated
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
Transmission (%):
Longpass Filter
Clear Aperture (%):
MIL-C-48497A, Section 3.4.1
Transmitted Wavefront, RMS:
≤λ/4 @ 633nm
Cut-On Tolerance (%):
Slope Factor (%):
Arrow on part indicates filter coated surface.
Coating Specification:
Surface 1: Hard Dielectric Sputtered
Surface 2: MgF2

Regulatory Compliance

RoHS 2015:
Reach 219:

Product Family Description

Our High Performance Longpass filters feature high transmission in the pass band combined with superior blocking in the rejection band. With a rejection band optical density of 4.0 combined with >91% in the pass band these filters are ideal for a wide variety of applications. Eliminate stray light by creating custom bandpass filters when combined with our TECHSPEC® High Performance Shortpass Filters.

Note: These filters are optimized for high spectral performance rather than high Laser Induced Damage Thresholds (LIDT). A typical LIDT for these filters is 1 J/cm2 @ 532nm, 10ns. Please contact us if you require a filter with a higher LIDT value.

Our TECHSPEC® Rotating Filter Wheel can be used for applications requiring a variety of filters.