Measurement of Spectral Radiant Flux Symbol: Φλ Unit: W∙nm-1Accounting for the total optical emission of a sources, spectral radiant flux is often used to characterise luminous efficiency of…
Measurement of Spectral Radiance Spectral radiance in a given direction, at a given point of a real or imaginary surface is defined by the equation: Symbol: Ll Unit: W∙m-2∙sr-1∙nm-1 Where dΦ(λ)…
Measurement of Spectral Radiant Intensity Symbol: I Unit: W∙sr-1∙nm-1 Spectral radiant Intensity in a given direction is defined by the equation: Where dΦ(λ) is the spectral radiant power…
The IS500 integrating sphere ensures the accurate measurement of total spectral radiant flux of compact light sources. Featuring a fully opening hemisphere, a barium sulphate coating and a baffled…
The IS75 environmentally sealed cosine corrected integrating sphere offers wide spectral coverage for outdoor applications. Based on a 75mm diameter BenFlect integrating sphere, with a 10mm entrance…
The IS50 integrating sphere ensures accurate measurement of laser beams, particularly suited to the measurement of supercontinuum lasers. Based on a 50mm diameter BenFlect integrating sphere, with a…
The TEL301 is a direct view telescope, providing a well-defined field of view for the measurement of radiance and radiant intensity (or luminance and luminous intensity) from displays and reflecting…
The D8 cosine corrected integrating sphere offers a wider spectral coverage over transmission diffusers at the expense of increased cosine error. Based on a 50mm diameter BenFlect integrating…
The D7 cosine corrected transmission diffuser series delivers high throughput and near perfect cosine response in a variety of configurations adapted for a range of applications and…