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Eight Common Techniques for Measuring Optical Parameters of LED Lamps

The intensity of light, that is, the intensity of light, refers to the amount of light emitted at a certain angle. According to CIE127 standard, inverse square law is not suitable for LED because of i…

Installation, debugging and troubleshooting of integrating sphere

Divergent beam power meter-integrating sphere

How to calculate the band gap width of semiconductor materials

Application of Micro Optical Fiber Spectrometer in Production Process

The optical fiber spectrometer developed by Guangzhou Jingyi Optoelectronics, the world's largest optical fiber spectrum consumer, uses asymmetric interpenetrating optical splitting structure. The des…

Test methods for narrowband filters

Narrow-band filters are subdivided with band-pass filters. The definition is the same as that of band-pass filters. That is, this filter allows optical signals to pass in a specific band, while the op…

What kind of optical device is the integrating sphere?

The photoreceptor cells in the human retina are divided into rod-shaped (cylindrical) cells and cone-shaped (round) cells. The former has high flexibility and is used to sense weak light and distingui…