Band-pass Filters Guarantee the Highest Imaging Quality when Using Laser Modules to Illuminate an Object

Avoid Artifacts in Camera Images - Suitable Filters for 3D Triangulation!

Olching, (PresseBox) - In industrial image processing band-pass filters are commonly used to improve camera signals. To avoid artifacts, the wavelength of the filter is selected to correspond to the wavelength of the illumination source. The aim is to only allow that portion of light into the camera that is necessary to carry out the measurement. The surrounding light is automatically blocked with the help of band-pass filters.

By combining band-pass filters with our new FLEXPOINT® MV series, a perfect illumination can be achieved. The central wavelength of the line laser can be filtered out with a transmission of > 90%. Through the use of a single substrate and a hard coating, foggy images can be reliably avoided.

MV filters are available for light sources such as LEDs or lasers with central wavelengths (CWLs) from 395 nm to 785 nm.

Installation into the System

Filters are either available as unmounted models and can be placed between the camera and the objective (typ. 24.4 mm in diameter), or they can be placed in front of the objective with the help of a camera ring nut. For the latter, mounts are available from M22.5 to M105.

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LASER COMPONENTS is specialized in the development, manufacture, and sale of components and services for the laser and opto-electronics industries. With sales offices in four different countries, the company has served its customers since 1982. In-house production at six locations in Germany, Canada, and the USA began in 1986 and is meanwhile responsible for about half of its turnover. Currently, the family-run business employs more than 120 people worldwide.

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