BP1245

BP1245nm Bandpass Filter | CWL 1245nm±2nm, FWHM 14±2nm

1245nm bandpass filter with greater than 90 percent transmission and OD3 blocking. Ideal for SWIR imaging and 3D laser profiling. Stock and custom options.
Products Description

BP1245nm Bandpass Filter | CWL 1245nm±2nm, FWHM 14±2nm(pic1)

BP1245nm Bandpass Filter | CWL 1245nm±2nm, FWHM 14±2nm

The BP1245nm Bandpass Filter is a high-performance SWIR optical filter engineered for precise wavelength selection around 1245nm. With peak transmission greater than 90 percent, a narrow bandwidth of 14nm, and average optical density greater than OD3 across the 900-1720nm blocking range, this filter effectively isolates target wavelengths while suppressing unwanted background radiation. It is particularly suited for short-wave infrared imaging, laser-based measurement systems, and industrial optical sensing applications.

Technical Specifications

BP1245nm Bandpass Filter Specifications
Product TypeBandpass Filter
Center Wavelength (CWL)1245nm ±2nm
Bandwidth (FWHM)14nm ±2nm
Transmission Range1244nm - 1246nm
Peak TransmissionGreater than 90 percent
Blocking Range900nm - 1720nm
Blocking LevelAverage Optical Density greater than OD3
Angle of Incidence0 Degree
Coating TechnologyHard-Coated Multilayer Thin Film
Substrate MaterialOptical Glass

Applications

The BP1245nm filter is optimized for SWIR systems that require accurate wavelength discrimination and high signal integrity. Typical applications include:

  • Short-wave infrared 3D laser profile measurement

  • Laser triangulation and displacement sensing

  • Industrial dimensional inspection systems

  • Surface contour and geometry analysis

  • SWIR machine vision platforms

  • Optical metrology and automation equipment

In demanding inspection environments, this Narrow Bandpass Filter design improves contrast and measurement accuracy by minimizing unwanted spectral interference. It is widely used in advanced SWIR Optical Filter systems where precise wavelength control is critical. For industrial automation applications, integration with a Machine Vision Filter solution can further enhance detection performance and repeatability.

Customization & Service

OPTOStokes offers extensive customization options to support OEM integration and specialized optical system requirements. Filters are available in round, square, rectangular, and custom geometries. Optional retaining rings and mounted assemblies can be supplied for simplified system integration.

Customization services include wavelength adjustment, bandwidth optimization, enhanced blocking performance, substrate selection, thickness modification, and dimensional tolerances tailored to specific project requirements. Extensive inventory availability, controlled lead times, and rigorous quality assurance help accelerate development cycles and reduce procurement risks.

Pain Points & Technical Support

Many engineering teams encounter challenges such as inconsistent filter performance, limited customization capabilities, prolonged lead times, and insufficient technical support during product development. These issues can negatively impact measurement accuracy and project schedules.

OPTOStokes provides both standard and custom optical filter solutions designed for demanding SWIR applications. If you are developing a 3D laser profiling system, machine vision platform, or precision optical measurement instrument, contact our technical team at sales@optofilters.com or submit an inquiry through www.optofilters.com for engineering support and quotation assistance.

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Tags: optical filter narrow bandpass filter machine vision SWIR filter industrial inspection 1245nm bandpass filter 3D profiling laser measurement

Technical parameter