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See all 10 Products in Family

20mm Square IR Cut-Off Filter

Stock #55-237

$35.00

Qty 1-24
$35.00

Qty 25
$31.50

Volume Pricing
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Dimensions (mm):

20.0 x 20.0

Cut-Off Wavelength (nm):

710.00

Coating:

Traditional Coated

Substrate:

BOROFLOAT^®

Operating Temperature (°C):

<250

Index of Refraction n_d:

1.472

Type:

IR Cut-Off Filter

Surface Quality:

80-50

Thickness (mm):

1.10

Thickness Tolerance (mm):

±0.25

Dimensional Tolerance (mm):

±0.25

Clear Aperture (%):

≥90

Edges:

Seamed Edges

Coating Specification:

Surface 1: T=50% @ 710±30nm, T_avg >85% @ 480 - 680nm, T_avg <10% @ 740 - 1200nm
Surface 2: λ/4 MgF₂

Wavelength Range (nm):

480 - 1200

Regulatory Compliance

RoHS 2015:

Compliant

REACH 201:

Compliant

Product Family Description

710nm Cut-Off Wavelength
Circular and Rectangular Options
Various Sizes Available

Since common light sources deliver light that has a very broad spectral output, reaching beyond the visible, many visual and detector-based applications call for an infrared filter that is designed to pass only light within the visible spectrum. For example, monochrome cameras are often used with IR cut-off filters to eliminate the effects of the presence of near infrared light incident upon the detector.

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