BP905/35 Bandpass Filter | 905nm CWL, 35nm FWHM, 2.0mm Thickness

The OPTOStokes BP905/35 is a precision near-infrared bandpass filter optimized for industrial automation sensing and optical detection systems. Featuring a center wavelength of 905nm with a 35nm bandwidth, this filter delivers consistent transmission greater than 90% across the 895–910nm passband, paired with uniform optical density blocking across the 350–1100nm spectral range. Fabricated with advanced thin film coating technology on a 2.0mm thick substrate, it delivers stable spectral performance for long-term deployment in demanding industrial environments. As part of our extensive in-stock bandpass filters lineup, this component supports fast prototyping and high-volume production requirements for OEM integrators.

Technical Specifications

Applications

This 905nm NIR bandpass filter is engineered for reliable performance in industrial optical systems. Primary application areas include:

• Industrial automation sensing and proximity detection systems

• Machine vision and optical inspection setups

• Industrial inspection and quality control equipment

• NIR laser alignment and optical sensing assemblies

Customization & Service

OPTOStokes combines a comprehensive in-stock filter inventory with full custom manufacturing capabilities to meet precise industrial project requirements. This BP905/35 filter can be fabricated in circular, square, or custom irregular shapes, with optional mounting rings for seamless integration into existing optical assemblies. All products are manufactured to world-class quality standards with strict spectral validation, backed by reliable lead times for both prototype and bulk orders. Our technical team provides end-to-end support from specification matching to full custom coating design.

Pain Points & CTA

For engineering and procurement teams in industrial automation, sourcing high-performance NIR filters often involves long lead times, limited custom geometry options, and inconsistent technical support. OPTOStokes addresses these challenges by maintaining a large in-stock catalog for fast delivery, offering flexible custom coating and fabrication services, and providing direct access to experienced optical engineers for application guidance.

To request a full datasheet, discuss custom specifications, or receive a formal quote, contact our team at sales@optofilters.com or submit an inquiry through our website.