Light measurement with an integrating sphere
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The evaluation of the optical characteristics of a light source, such as an LED light, an incandescent bulb, or a fluorescent lamp, is accomplished using a procedure known as light measurement with an integrating sphere. The integrating sphere is a piece of equipment that not only gathers and diffuses the light that is released by the light source, but it also offers a more accurate depiction of the light's overall characteristics. The integrating sphere is able to perform its function by collecting and averaging the light that is emitted by the light source. As a result, the effects of direct and indirect light are effectively eliminated, and the sphere provides a more accurate representation of the light's overall properties. The measurement of a variety of optical metrics, including luminous flux, spectral power distribution, and color rendering index, is made possible as a result of this. In order to get accurate readings of these characteristics, it is customary to us