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Optical Bandpass Filter
Jul 2008
Oseir Ltd.Request Info
TAMPERE, Finland, July 21, 2008 – Oseir has unveiled a new tunable multistage optical bandpass filter for use in practical spectral two-dimensional imaging applications.

The filter has a tuning wavelength range from 450 to 800 nm and the bandwidth can be optimized by the number of stacked filter elements. A basic four element filter stack is 40 x 50 x 35 and weighs 250 grams, with a diameter filter aperture of 12 mm. Custom sizes can be made available upon request.

Features of the filter include a compact size, a wide aperture with high quality image transmission and strong blocking bands. Imaging measurements include spectroscopy, pyrometry, astronomy and color analysis. The filters can be used for environmental, biomedical and industrial applications.

For more information, visit:

Osuusmyllynkatu 13
FIN-33700 Tampere
Phone: +358-3-363 3960
Fax: +358-3-363 3580


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The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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