Name: 475nm 12.5mm Dia., High Performance Longpass Filter
Brand: TECHSPEC
SKU: 84-737
Price: S$276.00

Diameter (mm):

12.50 +0.0/-0.2

Angle of Incidence (°):

Optical Density OD (Average):

≥4.0

Cut-On Wavelength (nm):

475.00

Fused Silica (Corning 7980)

Coating:

Hard Coated

Rejection Wavelength (nm):

200 - 465

Surface Quality:

60-40

Thickness (mm):

2.00

Thickness Tolerance (mm):

±0.1

Transmission (%):

≥91

Transmission Wavelength (nm):

483 - 1650

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 (%):

Note:

Arrow on part indicates filter coated surface.

Coating Specification:

Surface 1: Hard Dielectric Sputtered
Surface 2: AR Coated

Wavelength Range (nm):

200 - 1650

Regulatory Compliance

RoHS 2015:

Compliant

Reach 224:

Compliant

Certificate of Conformance:

View

Product Family Description

Cut-On Slope <1%
Rejection OD ≥ 4.0
≥91% Transmission in Pass Band
Variety of OD 4.0 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.

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.

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