LP680-1.0mm Longpass Filter | CWL 685nm±5nm, OD5 Blocking
The OPTOStokes LP680-1.0mm is a high-precision longpass filter optimized for near-infrared spectral transmission. Engineered with advanced thin film coating technology, it provides transmission greater than 95 percent across the 700–1100nm range, with a 50 percent transmission cut-on wavelength of 685nm ±5nm. This 1.0mm thick filter delivers exceptional high OD blocking from 350nm to 650nm, ensuring complete suppression of unwanted shorter wavelengths for demanding optical systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | LP680nm-1.0mm |
| Transmission Band | 700–1100nm, transmission greater than 95 percent |
| Cut-on Wavelength (CWL) | 685nm ±5nm (at 50 percent transmission) |
| Blocking Range & Optical Density | 350–650nm, optical density greater than 5 |
| Angle of Incidence (AOI) | 0 degree |
| Surface Quality | 60/40 |
| Substrate Thickness | 1.0mm |
Applications
This high-performance longpass filter is specifically designed for applications requiring selective transmission of near-infrared light while blocking visible wavelengths. Its exceptional performance makes it ideal for:
IPL intense pulsed light systems for hair removal, pigmentation treatment and skin rejuvenation
Laser medical devices and ophthalmic equipment
Industrial cameras and high-temperature detection systems
NIR spectroscopy and analytical instruments
Machine vision and industrial inspection
Biomedical imaging and life science research
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. Our high transmission filters deliver consistent performance across production runs, ensuring your systems operate at peak efficiency.
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.
