SP720 Shortpass Filter (T＞95%@410-690nm, OD2@730-1100nm)

SP720 Shortpass Filter - High-Efficiency Visible Light Control

The SP720 Shortpass Filter delivers exceptional optical performance with high transmission across the visible spectrum and reliable OD2 blocking, making it ideal for applications requiring precise deep-red wavelength control with effective near-infrared rejection.

Key Specifications:

• Cut-off Wavelength: 720nm (T=50%)
• High Transmission Range: T>95% @ 410-690nm
• Reliable Blocking Range: OD2 @ 730-1100nm
• Optical Density: >100:1 blocking ratio
• Visible Coverage: 280nm transmission bandwidth

Applications & Benefits:

• Deep-Red Spectroscopy: Perfect for analyzing visible wavelengths while blocking NIR interference
• Color Imaging Systems: Eliminates infrared contamination for accurate color reproduction
• Fluorescence Microscopy: Prevents NIR excitation bleed-through in red fluorophore imaging
• Photographic Applications: Enhances color accuracy by filtering infrared light
• LED Characterization: Ideal for testing visible LEDs while blocking NIR components

Technical Advantages:

• High transmission efficiency (T>95%) maximizes signal strength
• Reliable OD2 blocking prevents detector saturation
• Complete visible spectrum coverage for comprehensive analysis
• Sharp transition at 720nm for precise spectral separation
• Cost-effective solution for standard blocking requirements
• Durable multi-layer coating ensures consistent performance

Perfect for researchers and engineers working with visible wavelengths who need reliable NIR blocking. This filter provides the high transmission efficiency and reliable blocking performance required for color imaging, spectroscopy, and optical systems where accurate visible light transmission with effective infrared rejection is essential.