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Notch Filters

Notch filters are characterized by a high attenuation within a narrow wavelength range.

Notch Filters for Specific Wavelengths

Notch filters are band blocking filters. They are used to suppress strong laser beams in Raman laser spectroscopy and other applications. They may also be employed to protect eyesight or used as attachable filters for cameras.

At the center wavelength (CWL), the blocking is > OD 4 or > OD 6. At all other wavelengths outside this blocking range, the filters provide >90% transmission. Depending on the wavelength, the full width at half maximum range (FWHM) typically covers 10 to 70 nm.

In addition to the standard notch wavelengths, we also offer filters for other, "unusual" wavelengths as well as multi-notch designs for multiple stop bands. All these customized solutions feature >OD 8 by design, transmission up to 98% and a high cavity (steep-edged).

Special - Dichroic Notch Filters

Dichroic notch filters are band stop designs that reflect the notch wavelength with up to >98% at an angle of incidence of 45°. Shorter and longer wavelengths beyond the notch wavelength are transmitted with up to >95%.

LASER COMPONENTS Nordic - Your competent partner for optical and optoelectronic components in Sweden, Norway, Finland, Denmark, and Iceland.

Welcome to LASER COMPONENTS Nordic AB, your expert for photonics components. Each product in our wide range of detectors, laser diodes, laser modules, optics, fiber optics, and more is worth every Crown (SEK). Our customized solutions cover all conceivable areas of application: from sensor technology to medical technology. You can reach us here:

Box 14001 / Skårs led 3
SE-400 20 Göteborg
Sweden

Phone: +46 (0)31 703 7173
Email: info(at)lasercomponents.se

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You have questions or need our support?
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Harvey Washbrook
Sales Account Manager
Harvey Washbrook
Laser Components Nordic AB
41263 Göteborg - Sweden
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Laser Components

Box 14001 / Skårs led 3
SE-400 20 Göteborg
Sweden

Phone: +46 (0)31 703 7173

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