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1 October 1990High-speed tunable thermic modulation of far infrared radiation pulses
New method of high speed temporal modulation of infra-red.
wave beams, reflected from thin films of semiconductor's plasma
with free carriers, is proposed. The physical foundations of such
method, based on non-linear properties of free carriers plasma in
these films, show the possibilities of elaboration of high-speed
tunable modulators and polarizers. The reflection of continuous
wave beam from the film with tunable reflection coefficient leads
to pulses shaping, the pulse duration being as small as 1 nsec.
The electric power, necessary for tuning of such modulator, is as
small as (formula in PDF)
Alexander V. Shvartsburg
"High-speed tunable thermic modulation of far infrared radiation pulses", Proc. SPIE 1307, Electro-Optical Materials for Switches, Coatings, Sensor Optics, and Detectors, (1 October 1990); https://doi.org/10.1117/12.21703
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Alexander V. Shvartsburg, "High-speed tunable thermic modulation of far infrared radiation pulses," Proc. SPIE 1307, Electro-Optical Materials for Switches, Coatings, Sensor Optics, and Detectors, (1 October 1990); https://doi.org/10.1117/12.21703