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See all 108 Products in Family

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More
375nm 12.5mm Dia., High Performance Longpass Filter

High Performance OD 4 Longpass Filters

Stock #34-301

£140.25

Qty 1-5
£140.25

Qty 6
£112.20

Volume Pricing
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Curves eDrawings: eprt IGES PDF Drawings STEP: step

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Diameter (mm):

12.50 +0/-0.2

Cut-On Wavelength (nm):

375.00

Thickness (mm):

1.50

Thickness Tolerance (mm):

±0.1

Rejection Wavelength (nm):

200 - 365

Transmission Wavelength (nm):

383 - 1600

Wavelength Range (nm):

200 - 1600

Angle of Incidence (°):

Optical Density OD:

≥4.0

Coating:

Hard Coated

Substrate:

UV Grade Fused Silica

Surface Quality:

60-40

Transmission (%):

>91

Type:

Longpass Filter

Clear Aperture (%):

>80

Durability:

MIL-C-48497A, Section 3.4.1

Transmitted Wavefront, RMS:

≤λ/4 @ 633nm

Cut-On Tolerance (%):

±1

Slope Factor (%):

1.00

Coating Specification:

Surface 1: Hard Dielectric Sputtered, Surface 2: MgF₂

Regulatory Compliance

RoHS 2015:

Compliant

Reach 197:

Compliant

Product Family Description

Cut-On Slope <1%
Rejection OD ≥ 4.0
≥91% Transmission in Pass Band
Variety of OD4 Longpass Filter Kits Available

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.

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