Precision Environmental Sensing Starts Here: LTH870 Ultra-Narrow-Band Filter
In environmental monitoring where data accuracy impacts public health and policy decisions, spectral noise compromises results. Manufactures delivers uncompromising optical precision with the LTH870 Ultra-Narrow-Band Filter—specialized for 870nm detection in mission-critical environmental monitoring systems.
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Precision Environmental Sensing Starts Here: LTH870 Ultra-Narrow-Band Filter
Engineered for Critical 870nm Detection in Air, Water & Land Analysis
In environmental monitoring where data accuracy impacts public health and policy decisions, spectral noise compromises results. Manufactures delivers uncompromising optical precision with the LTH870 Ultra-Narrow-Band Filter—specialized for 870nm detection in mission-critical environmental monitoring systems.
Unmatched Performance for Environmental Sensing
Centered at 870nm – a key wavelength for atmospheric and hydrological analysis – this narrowband filter delivers:
Ultra-Narrow Bandwidth (<5nm typical) for precise spectral isolation
Peak Transmission >92% at 870nm for maximum signal capture
OD6+ Deep Blocking (350-850nm & 900-1100nm) to reject skylight/IR interference
Sunlight Rejection Technology – Minimizes solar background noise in field sensors
Ruggedized for Harsh Environments
Built to withstand real-world deployment with:
Environmental Sealing – IP-rated epoxy edge sealing prevents moisture ingress
Thermal-Stable Substrates (<0.005%/°C shift from -30°C to +85°C)
Abrasion-Resistant Hard Coatings – MIL-C-675C compliant for field durability
Corrosion-Resistant Housings (optional anodized aluminum mounts)
Critical Environmental Applications
Essential for sensors requiring 870nm specificity:
Atmospheric Gas Analysis: Detect methane (CH₄) and CO₂ absorption lines
Water Quality Monitoring: Measure chlorophyll-a, turbidity, and CDOM in lakes/oceans
NDVI Vegetation Index: Calculate crop health/drought stress in precision agriculture
Wildfire Detection: Isolate CO/CO₂ emission signatures in early-warning systems
Industrial Emissions: Monitor stack plumes in EPA-compliant CEMS systems
Soil Analysis: Quantify organic content and moisture via NIR reflectance
Designed for Sensor Integration
Standard Sizes: 5mm–50mm rounds/squares (M12/M16/M20 threaded mounts optional)
Custom Solutions: Request substrate materials (BK7, fused silica), wedged designs, or AR coatings
Compliance-Ready: Supports ISO 14001, EPA 40 CFR Part 60, and EU Directive compliance
