The OPTOStokes LP620nm is a high-performance longpass filter designed to efficiently separate spectral regions for demanding optical applications. By blocking ultraviolet and visible light up to 615nm while maintaining high transparency in the red and near-infrared (NIR) spectrums, this component is essential for improving signal-to-noise ratios in photonic systems.
Engineered for precision, this filter allows wavelengths from 630nm to 1100nm to pass with an average transmission greater than 90 percent. Whether used in fluorescence microscopy to isolate red emission signals or in machine vision to suppress ambient light noise, the LP620nm ensures that your sensor receives only the relevant spectral data. Backed by OPTOStokes' commitment to world-class quality, each filter features a surface quality of 60/40, minimizing scattering and artifacts in sensitive imaging setups.
Technical Specifications
The following table outlines the specific optical and physical parameters for SKU 21106124. These specifications are verified to meet the rigorous standards of R&D and industrial integration.
| Parameter | Specification |
|---|---|
| Product Type | Longpass Filter (LP) |
| Cut-on Wavelength | 620nm Nominal |
| Transmission Range | 630nm - 1100nm (Avg T > 90%) |
| Blocking Range | 350nm - 615nm (Avg T < 1%) |
| Thickness | 1.0mm |
| Surface Quality | 60/40 (Scratch/Dig) |
| SKU | 21106124 |
Typical Applications
The sharp transition edge and wide transmission band of the LP620nm make it a versatile choice for various optical systems. Common use cases include:
- Fluorescence Imaging: Ideal for acting as an emission filter for fluorophores that emit in the red spectrum, effectively blocking excitation light below 615nm.
- Machine Vision & Inspection: Used with red LED lighting or laser sources to eliminate interference from ambient sunlight or fluorescent overhead lighting, increasing contrast.
- NIR Sensing: Protects silicon sensors in Near-Infrared applications by filtering out visible noise, suitable for surveillance and eye-tracking systems.
- Spectral Sorting: separation of signals in multi-channel optical setups.
Customization & Service
At OPTOStokes, we understand that standard sizes do not fit every housing. While we maintain a robust inventory of standard custom optical filters for immediate testing, we specialize in adapting to your mechanical constraints.
- Shape Options: We can cut filters to round, square, or irregular geometries based on your drawings.
- Mounting: Available unmounted or pre-mounted in standard anodized aluminum rings.
- Quality Assurance: All custom orders undergo the same rigorous spectral verification as our stock products.
Streamline Your Optical Procurement
Project delays due to component sourcing should be a thing of the past.
Whether you need a single filter for a proof-of-concept or volume production for a new instrument, OPTOStokes delivers world-class precision with reliable lead times. Do not compromise on your system's optical quality.
Ready to optimize your optical path? Contact our engineering team today at sales@optofilters.com for technical support, current stock levels, or a rapid quote on custom dimensions.
