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Preisliste: FPD.DEV Public Catalog - Request a Quote Preisliste
Preisliste: FPD.DEV Public Catalog - Request a Quote Preisliste
IRF / Custom NVIS interference filter, design family 02

IRF / Custom NVIS interference filter, design family 02

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Custom infrared-blocking coating on glass for NVIS or dual-mode backlights. Specify the LED spectrum, cutoff, transition slope, blocking band, angle range and chip, strip or window dimensions.

Application development required. Final configuration is established through a reviewed drawing and specification.

Representative filter-material photograph; supplied shape, color and construction depend on the selected design.

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Terms and Conditions

Interne Referenz: IRF-03022-00

Application and configuration

Infrared-control materials can be integrated near LEDs as chips, strips, caps or formed rails, or placed elsewhere in the optical path as the design permits. The material, LED and backlight geometry are selected together for the required visible output and infrared suppression.

Define the optical specification

Specify visible passband and minimum transmission, cutoff wavelength and its definition, transition width, blocked wavelength range and maximum transmission or optical density. Include source spectrum, temperature, angle-of-incidence range and polarization. Absorbing materials change response with thickness; interference coatings change response with incidence angle.

Cutoff selection

The illustrated 650 nm edge explains a drawing parameter, not an available or recommended NVIS cutoff. Set the required wavelength, edge slope and blocked band from the source and system requirements; request configuration-specific spectral data for review.

Design illustration only: a normalized 650 nm example edge. It is not measured data, a released grade, or a Class A/B qualification.
Design illustration only: a normalized 650 nm example edge. It is not measured data, a released grade, or a Class A/B qualification.

Custom chip, strip or substrate drawing

Define outline and tolerances, thickness, clear aperture, edge finish, holes or mounting features, coating face and orientation. Include bonding or retention method, LED clearance, light sealing, thermal limits and inspection requirements. For caps and formed rails, define the complete LED envelope and paths around the filter.

NVIS integration

Class A or B requirements and output-color designations are separate inputs. Verify spectral radiance and color using the selected LEDs, drive levels, filters and complete backlight or display. These material references do not represent a released or qualified NVIS assembly.

From reference to a controlled part

Start with the application and available space. Develop a drawing with custom dimensions and performance specifications, review the proposed configuration, and evaluate samples where needed. Record the approved drawing revision and acceptance criteria for the supplied part. Availability and final configuration are confirmed during quotation.

Application data

Configuration-specific spectral, mechanical and electrical data is reviewed with the proposed drawing. Use Contact Us or add this reference to the Interest List to identify the application and requested format.

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