SP680 Shortpass Filter: Precision UV/VIS Transmission & IR Blocking | Sharp 680nm Cutoff
In applications demanding strict isolation of UV/visible light while rejecting infrared noise, spectral precision defines performance. Manufactures delivers uncompromising optical engineering with the SP680 Shortpass Filter – engineered for critical UV/VIS transmission (300–680nm) and aggressive IR blocking (>680nm) in scientific, industrial, and imaging systems.
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master Spectral Control with the SP680 Shortpass Optical Filter
Ultra-Sharp 680nm Cutoff | >90% UV/VIS Transmission | Industrial-Grade Reliability
In applications demanding strict isolation of UV/visible light while rejecting infrared noise, spectral precision defines performance. Manufactures delivers uncompromising optical engineering with the SP680 Shortpass Filter – engineered for critical UV/VIS transmission (300–680nm) and aggressive IR blocking (>680nm) in scientific, industrial, and imaging systems.
Key Performance Features
Precision 680nm Cutoff: Sharp transition edge (±5nm) separates transmitted UV/VIS from blocked IR radiation.
High UV/VIS Transmission: >90% average transmission across 400–650nm.
Deep IR Blocking (OD4+): Blocks >99.99% of NIR/SWIR radiation (700–1100nm).
Low Autofluorescence: Ideal for sensitive detection (e.g., fluorescence microscopy).
Angle Stability: <2% shift at 30° incidence.
Engineered for Demanding Environments
Thermal Resilience: Withstands -40°C to +120°C (Δλc <0.1nm/°C).
Abrasion-Resistant: Hard-coated surfaces (MIL-C-675C compliant) survive harsh handling.
Moisture-Proof: Sealed edges prevent coating degradation in humid conditions.
Critical Applications
Fluorescence Microscopy: Isolate excitation signals from IR noise.
Machine Vision: Enhance contrast in UV/VIS imaging under IR-rich environments.
Solar Simulators: Replicate AM1.5 spectrum without IR contamination.
Forensics: Detect trace evidence under UV light with zero IR interference.
Industrial Sorting: Classify materials using UV/VIS reflectance signatures.
Spectroscopy: Purge IR noise from UV/VIS spectral analysis.
Integration Flexibility
Standard Sizes: Ø12.5mm, Ø25mm, 25×36mm (1–3mm thickness).
Custom Options:
Non-standard dimensions/cutouts
AR coatings (backside or dual-side)
Wedged substrates to eliminate etalon effects
Mounting Solutions: Threaded retainers, adhesive frames, or OEM module integration.