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Beam Shaping

EuroPhotonics
Apr 2010
FISBA AGRequest Info
 
Fisba Optik AG has introduced a fast-axis collimator lens with total internal reflection that can deflect beams at a 90° angle and that offers customizable focal lengths up to 1.5 mm. Its beam-shaping optic features near diffraction-limited collimation; its high-performance coating allows for optimized transmission to the laser diode wavelength and features a surface quality that minimizes scattering losses, ensuring a high-brightness beam quality. Its standard line features a numerical aperture of 0.8, transmission of ≥98% and a working distance from 50 to 100 μm over a wavelength range from 800 to 1000 nm.


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GLOSSARY
beam
1. A bundle of light rays that may be parallel, converging or diverging. 2. A concentrated, unidirectional stream of particles. 3. A concentrated, unidirectional flow of electromagnetic waves.
collimator
An optical instrument consisting of a well- corrected objective lens or mirror with a light source and or object/image (i.e. illuminated slit or retical) at its focal plane. Collimators are used to calibrate and align optical devices and elements, determine focal lengths, as well as replicate and project an source/object or image to infinity.  
lens
A transparent optical component consisting of one or more pieces of optical glass with surfaces so curved (usually spherical) that they serve to converge or diverge the transmitted rays from an object, thus forming a real or virtual image of that object.
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