Product Introduction

The uniform light source integrating sphere from Jingyi Optoelectronics is a hollow spherical cavity with an inner wall coated with white diffuse reflective material, also known as a photometric sphere or luminous flux sphere. One or more windows are opened on the sphere wall to serve as the light entry and receiving ports. The basic principle of the uniform light source integrating sphere is that light entering through the sampling port is collected by the integrating sphere and, after multiple reflections inside the sphere, is scattered very uniformly within the sphere. This ensures more reliable measurement results. Typically, several light bulbs are symmetrically and evenly arranged on the inner wall and the light exit port of the integrating sphere. The light emitted by the bulbs is reflected multiple times by the inner wall, forming a uniformly bright luminous spherical surface. The uniform light source integrating sphere is mainly used to measure the vignetting coefficient of photographic lenses and the uniformity of illuminance on the image plane.

Application Fields

Calibration of imaging systems and devices in laboratories;
Uniformity correction and spectral response characteristics of film / digital cameras / camcorders;
Suitable for calibration of remote sensing instruments, CCD cameras, image arrays, and other detectors;
Calibration for biological, low-light imaging, and quantitative measurement;
Generation of weak, uniform light output, for example, simulating starlight or moonlight;
Calibration of low-light measurement cameras;
Uniformity correction for both large-aperture and small-aperture aerospace remote sensing and telemetry detection systems.

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