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基本概念 輻射度計(jì)是常用的用于測試電磁波輻射的儀器，主要分為輻射度計(jì)和光譜輻射度計(jì)。 光譜輻射度計(jì)可以檢測到波長相關(guān)的輻射分布，例如OL 750， OL 756， OL770等；輻射度計(jì)可以測試到某個(gè)波長后波段的輻射，通常是探測器接合一定的濾光片、光學(xué)組件，外接電流放大器組成，例如OL 730系列產(chǎn)品。 根據(jù)輻射度的基本單位，輻射度可以分為輻射通量（功率）、輻射強(qiáng)度、輻射亮度、輻射照度，以及閱讀全文

Radiant Intensity?Calculation Using?Irradiance Measurement The Radiant intensity?(I)?of a (point like) source can be obtained by measuring the Irradiance?(E)?in a certain distance. Afterwards t閱讀全文

Irradiance Calculation Using Radiance Measurement Sometimes Irradiance (Illuminance) has to be measured indirectly by Radiance (Luminance),? e.g. in case of limited space behind the measuring p閱讀全文