SP435nm Shortpass Filter | CWL 435nm±5nm, OD3 Blocking, 1.0mm Thickness
The OPTOStokes SP435nm is a high-precision shortpass filters optimized for ultraviolet and visible light transmission. Engineered with advanced thin film coating technology, it provides average transmission greater than 90 percent across the 340–430nm range, with a 50 percent transmission cut-off wavelength of 435nm ±5nm. This 1.0mm thick filter delivers exceptional high OD blocking from 445nm to 950nm, ensuring effective suppression of unwanted longer wavelengths for demanding laser and optical systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | SP435nm |
| Transmission Band | 340–430nm, average transmission greater than 90 percent |
| Cut-off Wavelength (CWL) | 435nm ±5nm (at 50 percent transmission) |
| Blocking Range & Optical Density | 445–950nm, optical density greater than 3 |
| Substrate Thickness | 1.0mm |
| Surface Quality | 60/40 |
Applications
This high transmission shortpass filter is specifically designed for applications requiring selective transmission of shorter wavelengths while blocking longer visible and near-infrared light. Its exceptional blocking performance makes it ideal for:
Laser system stray light suppression and noise reduction
Ultraviolet imaging and detection systems
Spectroscopic analysis and analytical instruments
Fluorescence excitation filtering in life science research
Industrial inspection and quality control systems
Optical sensing and measurement equipment
Customization & Service
OPTOStokes offers comprehensive custom optical filter solutions to meet your exact system requirements. We manufacture filters in standard circular, square and custom irregular shapes, with optional precision mounting rings for seamless integration into your optical assemblies. Our extensive in-stock inventory ensures fast shipping for standard specifications, while our advanced manufacturing capabilities deliver custom orders with reliable, predictable lead times. All products are manufactured to world-class quality standards and undergo rigorous 100% optical testing before shipment.
Pain Points & CTA
Technical teams often face critical challenges: long lead times for custom optical components, inconsistent blocking performance, and lack of specialized technical support. These issues can delay project milestones and increase operational costs. At OPTOStokes, we solve these problems with our extensive ready-to-ship inventory, flexible manufacturing capabilities, and dedicated technical support team. Whether you need a single prototype for testing or high-volume production runs, we deliver precision optical components on time, every time.
For detailed datasheets, volume pricing, or to discuss your specific filter requirements, contact our expert team at [email protected] or submit an inquiry through our website today.
