SP900 Shortpass Filter (T＞85%@400-890nm,OD4@920-1100nm)

SP900 Shortpass Filter - Precision Optical Performance

The SP900 Shortpass Filter delivers exceptional optical performance with broad visible to near-infrared transmission and superior OD4 blocking, making it ideal for applications requiring precise wavelength control and excellent infrared rejection at the 900nm boundary.

Key Specifications:

• Cut-off Wavelength: 900nm (T=50%)
• Broad Transmission Range: T>85% @ 400-890nm
• Superior Blocking Range: OD4 @ 920-1100nm
• Optical Density: >10,000:1 blocking ratio
• Wide Transmission Bandwidth: 490nm range coverage

Applications & Benefits:

• Near-Infrared Spectroscopy: Eliminates unwanted longer NIR wavelengths for cleaner spectral data
• Fluorescence Imaging: Prevents infrared bleed-through in sensitive detection systems
• Laser Safety: Protects detectors and personnel from harmful infrared radiation
• Silicon Detector Applications: Optimized for silicon photodiode response range
• Biomedical Imaging: Enhances contrast in tissue imaging applications

Technical Advantages:

• Superior OD4 blocking - 10,000:1 rejection ratio for excellent protection
• Broad transmission range covers complete visible spectrum plus NIR edge
• Sharp transition edge at 900nm for precise spectral separation
• Excellent out-of-band rejection prevents detector saturation
• High transmission efficiency preserves signal strength
• Durable multi-layer coating ensures long-term reliability

Engineered for professionals in research, medical diagnostics, and industrial applications who require exceptional optical performance and reliability. This filter delivers the precision and superior blocking performance needed for advanced optical systems requiring broad spectral coverage with excellent infrared rejection.