Products Description
LP435 Longpass Filter | T > 88% from 435-1100nm, OD > 2 Blocking

The OPTOStokes LP435 optical longpass filter is engineered for high-precision optical systems requiring sharp cut-on performance and high broad-spectrum throughput. By efficiently blocking ultraviolet and short-wavelength visible light while maintaining high transmission across the visible and near-infrared spectrum, this filter enhances signal-to-noise ratios in demanding imaging and sensing applications. Explore our complete range of Longpass Filters for varied cut-on wavelengths.
Technical Specifications
| Parameter | Specification |
|---|---|
| Passband Range | 435 - 1100 nm (T > 88%) |
| Blocking Range | 350 - 425 nm (OD > 2) |
| Angle of Incidence (AOI) | 0 degrees |
| Substrate / Coating | Optical Grade Glass / Hard Dielectric Coating |
Primary Applications
Optimized for zero-degree incidence, the LP435 filter is widely implemented in:
Machine Vision & Inspection: Eliminates unwanted ambient UV/blue stray light to increase image contrast.
Biometrics & Fluorescence Sensing: Separates excitation wavelengths from longer emitted fluorescence signals.
Customization & Rapid Delivery
Need custom dimensions or mounted optics? OPTOStokes provides precision fabrication for circular, rectangular, and custom geometric shapes, along with protective threaded mounts. Beyond our standard inventory of Optical Filters, our engineering team delivers specialized OEM solutions through advanced Custom Optical Coatings with guaranteed lead times.
Resolve Your Sourcing Challenges
Tired of long lead times, poor spectral uniformity, or lack of responsive technical support? OPTOStokes maintains extensive stock to ensure fast turnaround without compromising world-class quality. Contact our sales engineers today at sales@optofilters.com for quotes, CAD files, or custom engineering assistance.
Tags: longpass filter optical coatings machine vision filter 435nm filter optical edge filter