NF680 Precision Notch Filter | Red-Orange Light Blocking (620-680nm) | High OD6+ Rejection
In applications where ambient red-orange light sabotages performance—from industrial machine vision to scientific imaging—conventional filters fall short. Manufactures solves this with the NF680 Notch Filter, delivering surgical precision in blocking disruptive 620-680nm wavelengths while transmitting critical UV, visible, and NIR light.
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Defend Your Optics: NF680 Red-Orange Rejection Notch Filter
Engineered to Eliminate 620-680nm Interference in Sensitive Imaging & Lighting Systems
In applications where ambient red-orange light sabotages performance—from industrial machine vision to scientific imaging—conventional filters fall short. Manufactures solves this with the NF680 Notch Filter, delivering surgical precision in blocking disruptive 620-680nm wavelengths while transmitting critical UV, visible, and NIR light.
Uncompromising Optical Performance
Targeted Rejection Band: Aggressively blocks 620-680nm (red-orange spectrum) with OD6+ attenuation (>99.9999% rejection).
High Transmission Windows: Maintains >90% transmission in UV (<600nm) and NIR (>700nm) bands.
Razor-Sharp Edges: Steep transition slopes minimize signal loss in adjacent bands.
Angle-Stable Performance: <2% shift at 30° incidence for consistent results in multi-angle setups.
Critical Applications
Ideal for systems requiring red-orange spectrum elimination:
LED Curing Systems: Block stray red light that compromises resin curing in 3D printing/PCB manufacturing.
OLED/AMOLED Inspection: Eliminate screen self-emission noise during display quality control.
Astronomy Imaging: Suppress light pollution from sodium-vapor lamps (589nm) and urban LEDs.
Fluorescence Microscopy: Prevent bleed-through in multi-dye experiments (e.g., Cy5, Alexa Fluor 647).
Industrial Machine Vision: Neutralize red safety lights in automated factories.
Medical Phototherapy: Isolate therapeutic UV/blue light in dermatology devices.
Ruggedized for Demanding Environments
Laser-Grade Substrates: Fused silica or BK7 glass options withstand thermal shock.
Hardened Coatings: MIL-C-675C compliant – resistant to abrasion, humidity, and chemicals.
Stability Guaranteed: <0.01 nm/°C wavelength shift (-20°C to +80°C).
Integration Flexibility
Standard Sizes: 12.5mm, 25mm, 50mm rounds; 20×20mm to 50×50mm squares.
Custom Solutions: Request wedged designs, AR coatings, or custom cutoffs.
Mounting Options: Threaded housings, adhesive frames, or raw substrates.
Technical Specifications
| Parameter | Value |
|---|---|
| Center Rejection | 650nm (typ.) |
| Rejection Band | 620–680nm (OD6+) |
| Transmission Bands | 300–600nm & 700–1100nm |
| Peak Transmission | >90% (out-of-band) |
| Surface Quality | 40-20 scratch-dig |
| Laser Damage Threshold | >5 J/cm² (1064nm) |