| What is an optical system? |
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The purpose of an optical system is to distribute in the designated area the emitted light by its source. To accomplish this, reflection, refraction and the dispersion of light are used by its own materials. Generally they are composed of aluminium because of its high reflectance and glass and transparent plastics for its high transmittance capacity. It is important to plan and care for the form and the distribution of light in respect to the design of an optical system, the performance of the lamp - luminaire assembly and the dazzle it could cause to the users. The design of an optical system consists in the generation of reflective and refractive surfaces that redistribute the radiation emitted by the lighting system until the desired photometry is reached. Photometry consists on the reproduction of a pattern of illumination and is just the representation of intensities in space. |
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