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10 Nov, 2021 1068 Views Author: Cherry Shen

What is the function of the optical integrating sphere

The functions of the optical integrating sphere tester include light receiving, uniformly illuminated object surface, spherical parallel light tube, etc. Its principle is that after light is incident from the input hole, the light is uniformly reflected and diffused inside the sphere. Below take Lisun’s optical integrating sphere system as an example to introduce it in detail.

The role of optical integrating sphere system
1. Light receiving
The light to be measured enters the integrating sphere through a small hole on the integrating sphere system, and one or two photodetectors are arranged on the inner wall, and the photocurrent output by the photodetector is proportional to the illuminance of the inner wall of the integrating sphere system. In this way, according to the change of the output photocurrent, the change of the luminous flux entering the integrating sphere can be known.
2. Evenly illuminated object surface
Several bulbs (usually four or six) are evenly arranged on the inner wall of the integrating sphere symmetrically with the light exit hole. The light emitted by the bulb is diffusely reflected by the inner wall multiple times to form a uniform and bright luminous spherical surface. The integrating sphere system is used to measure the vignetting coefficient and image surface illuminance uniformity of photographic objective lenses.

LPCE-2(LMS-9000)High Precision Spectroradiometer Integrating Sphere System

LPCE-2(LMS-9000)High Precision Spectroradiometer Integrating Sphere System

Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate and authenticated by the third party lab.

Our main products are GoniophotometerIntegrating SphereSpectroradiometerSurge GeneratorESD SimulatorEMI ReceiverEMC Test EquipmentElectrical Safety TesterEnvironmental ChamberTemperature ChamberClimate ChamberThermal ChamberSalt Spray TestDust Test ChamberWaterproof TestRoHS Test (EDXRF)Glow Wire Test and Needle Flame Test.

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