SP455 Shortpass Filter (T＞85%@380-445nm, OD4@470-750nm)

SP455 Shortpass Filter - UV-Blue Wavelength Control

The SP455 Shortpass Filter delivers excellent optical performance with high transmission in the UV-blue region and superior OD4 blocking, making it ideal for applications requiring precise blue wavelength control with comprehensive blue to red rejection.

Key Specifications:

• Cut-off Wavelength: 455nm (T=50%)
• High Transmission Range: T>85% @ 380-445nm
• Superior Blocking Range: OD4 @ 470-750nm
• Optical Density: >10,000:1 blocking ratio
• UV-Blue Coverage: 65nm transmission bandwidth

Applications & Benefits:

• UV-Blue Spectroscopy: Perfect for analyzing UV and blue wavelengths while blocking longer wavelengths
• Fluorescence Microscopy: Prevents blue and visible excitation bleed-through in UV-blue fluorophore imaging
• LED Characterization: Ideal for testing UV and blue LEDs while blocking green and red components
• Photochemistry Applications: Enables precise UV-blue light studies without longer wavelength interference
• Semiconductor Inspection: Optimized for UV-blue inspection systems requiring visible light rejection

Technical Advantages:

• Superior OD4 blocking - 10,000:1 rejection ratio for excellent protection
• High transmission efficiency in UV-blue region maximizes signal strength
• Sharp transition at 455nm for precise blue wavelength control
• Extended blocking range covers blue to red wavelengths
• Excellent UV transmission for broadband short wavelength applications
• Durable multi-layer coating ensures consistent performance

Essential for researchers and engineers working with UV-blue wavelengths who need superior longer wavelength blocking. This filter provides the precision and excellent blocking performance required for UV-blue spectroscopy, fluorescence microscopy, and optical systems where accurate short wavelength transmission with superior blue to red rejection is critical.