Products Description
LP930 Longpass Filter | 930nm CWL, OD>2, 940-1100nm High Transmission
The LP930 longpass filter from OPTOStokes is a precision near-infrared optic engineered for consistent high transmission across the 940–1100nm spectral range. Featuring a sharp 50% cut-on edge at 930nm ±5nm and strong optical density blocking from 350nm to 900nm, this filter delivers reliable spectral performance for demanding industrial and scientific applications. As part of our extensive catalog of longpass filters, it is manufactured with durable thin-film coatings to ensure long-term stability in operating environments.
Technical Specifications
| Parameter | Value |
|---|---|
| Filter Type | Longpass Filter |
| Model Number | LP930 |
| Center Wavelength (CWL @ 50% Transmission) | 930 ±5 nm |
| High Transmission Range | 940 – 1100 nm |
| Average Transmission | >90% |
| Blocking Range | 350 – 900 nm |
| Optical Density (Blocking) | >2 |
| Angle of Incidence (AOI) | 0 degrees |
Typical Applications
This 930nm longpass filter is optimized for use across multiple NIR-enabled fields. Key applications include:
Weld seam inspection and industrial thermal monitoring
NIR machine vision and automated quality control systems
940nm laser alignment and laser system integration
Analytical instruments and near-infrared detection equipment
For application-specific wavelength requirements, explore our full range of NIR filters to find the optimal match for your system.
Customization & Service Support
OPTOStokes maintains an extensive in-stock selection of standard optical filters for fast shipment, while also providing high-level customization support to meet unique project requirements. We can fabricate the LP930 filter in circular, square, or custom irregular shapes, with optional mounting rings available for direct assembly integration.
Every filter undergoes rigorous quality inspection to ensure world-class coating uniformity and spectral precision. We guarantee reliable lead times for both stock and custom orders, with consistent performance verified for every batch. Our engineering team provides full technical support throughout the selection and integration process.
Why Choose OPTOStokes
Procuring precision optical components often involves extended lead times, inconsistent coating quality, and limited technical guidance for application matching. At OPTOStokes, we address these common pain points with ready-to-ship inventory, in-house thin-film coating expertise, and dedicated engineering support for every project.
Whether you require standard off-the-shelf units, custom dimensions, or volume OEM pricing, our team is ready to assist. For detailed specifications, sample requests, or project consultation, contact us at sales@optofilters.com or submit an inquiry through our website.
Tags: longpass filter high OD filter NIR filter industrial inspection optical density 930nm filter 940nm
