Investigation of Free Charge Carrier Effects in Silicon Membranes

W. I. Ndebeka,H. Stafast,Erich G. Rohwer,C. M. Steenkamp,Pieter Neethling

Investigation of Free Charge Carrier Effects in Silicon Membranes

2015

W. I. Ndebeka
H. Stafast
Erich G. Rohwer
C. M. Steenkamp
Pieter Neethling

Transmission signals from silicon membranes show unexpected nonlinear effects when irradiated with a femtosecond laser at 800 nm. The nonlinear behavior of the transmitted signal is explained using free charge carrier absorption (FCA) in silicon.

Keywords:

Charge carrier
Laser
Membrane
Analytical chemistry
Femtosecond
Silicon
Materials science
Nonlinear system
Optoelectronics
Absorption (pharmacology)
Irradiation

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