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…

What is the optical device of integrating sphere light source?

As a CMS (Chuanghui) series spectrometer widely used in the LED lighting industry in Zhongshan and surrounding areas, with the test specifications in Europe and the United States constantly updated an…

How to measure laser power?

Power consumption is one of the important parameters of the laser, so it has also become a common test instrument and equipment for laser manufacturers and laser users. What types of laser power meter…

Use of integrating ball-auxiliary lamp test platform

The test direction of lamps in the ball is not correct. When the same lamp is tested upward or downward, the test results differ greatly. The standard bulb has not been calibrated or has been used for…