Two different methods (ie laser reflection and acoustic-laser techniques) for defect detection
in fiber-reinforced polymer bonded concrete systems are studied. Both the simulation and …

Various types of defects exist in the solar cell surface because of some uncontrollable
factors during the process of production. The solar cell surface defects detection is …

A detail investigation of generation-recombination (gr) noise in 1.94 µm GaSb-based type-I
ridge waveguide laser diodes (LDs) has been performed in a temperature range (230–295) …

Considering the advantages of simple operation and high detecting accuracy, all aspects
involved in solar cell surface defect detection methods based on machine vision were …

Experimental investigations of the low frequency noise of multimode 780 nm vertical cavity
surface emitting lasers are reported. Electrical noise, optical noise and their correlation have …

The low-frequency noise is a sensitive non-destructive indicator of semiconductor devices
reliability. In this paper, the noises in InGaAsP/InGaAs/GaAlAs double quantum well …

INTRODUCTION: Based on machine vision technology to carry out photovoltaic panel defect
detection technology research to solve the photovoltaic panel production line automation …

The 1/f noise in a digital super-mode distribute Bragg grating (DS-DBR) lasers is
investigated. The voltage noise spectral density of each sections, including the active and …

To suppress the influence of the complex background of polysilicon solar cells on the
reliable extraction of surface defects and enhance the defect characteristics, a multi-spectral …

This paper mainly studies the photovoltaic battery high speed and high precision surface
defect visual inspection method, considering the monocrystalline silicon solar cell …