BP650nm Bandpass Filter | FWHM 70nm, High Optical Density Blocking

BP650nm Bandpass Filter | FWHM 70nm, High Optical Density Blocking

OPTOStokes BP650-70nm bandpass filter delivers 90%+ transmission with OD2+ blocking. Ideal for machine vision & inspection. Request a quote today.
Products Description

BP650nm Bandpass Filter | FWHM 70nm, High Optical Density Blocking

BP650nm Bandpass Filter | FWHM 70nm, High Optical Density Blocking(pic1)

The BP650-70nm is a precision interference bandpass filter engineered for high in-band transmission and reliable out-of-band rejection. Optimized for 0-degree angle of incidence, it delivers consistent spectral performance across the 625–665nm passband, making it suitable for demanding industrial and scientific optical systems. As part of OPTOStokes’ extensive in-stock range of bandpass filters, it combines world-class thin-film coating quality with long-term optical stability for continuous operation.

Technical Specifications

BP650-70nm Bandpass Filter Spectral Specifications
ParameterValue
Transmission Range625 – 665 nm, T > 90%
Center Wavelength (CWL)650 nm ± 5 nm
Full Width at Half Maximum (FWHM)70 nm ± 5 nm
Blocking Range350 – 1100 nm, OD > 2
Angle of Incidence (AOI)0 degrees

Applications

This 650nm bandpass filter is calibrated for precise wavelength selection across visible and near-red spectral ranges, supporting a variety of industrial and scientific use cases:

  • Machine vision and automated quality inspection systems

  • Color sorting equipment for agricultural and industrial processing

  • Industrial imaging and optical detection assemblies

  • General photometric and analytical instrumentation

As a high-performance machine vision filter, it effectively suppresses out-of-band background noise to improve image contrast and detection accuracy in high-speed imaging setups.

Customization & Service

OPTOStokes provides flexible customization services to align with your specific system design requirements. Available options include:

  • Custom substrate thickness and material specifications

  • Fabrication in circular, square, and custom irregular shapes

  • Mounted configurations with precision retaining rings, or unmounted bare optics

We maintain a large inventory of standard filters for rapid delivery, while supporting full custom coating designs with reliable, predictable lead times. Every filter undergoes strict quality inspection to ensure consistent optical density and spectral performance, meeting world-class precision standards.

Pain Points & Inquiry

Sourcing precision optical components often presents challenges for engineering and procurement teams: unpredictable lead times, inconsistent coating quality across batches, and limited technical support for custom design adjustments. At OPTOStokes, we address these pain points with dedicated engineering consultation, stable production capacity, and rigorous multi-stage quality control.

For custom specifications, volume pricing, or technical consultation, contact our optical specialists at sales@optofilters.com or submit an inquiry directly through our website. We will respond promptly with tailored solutions for your application.

Tags: bandpass filter 650nm filter high OD blocking machine vision optical density FWHM CWL