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Updated: Jun 15, 2026

Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies
Published on: December 18, 2015
Pulse code modulation of CO(2) TEA laser pulse
Abstract:
The tail of the CO(2) TEA laser pulse has been successfully pulse code modulated with an electrooptic modulator. A CdTe crystal Pockels cell used in a double-pass configuration produced a train of optical pulses 100 nsec wide at a 5-MHz repetition rate. With this multifunctional capability, the CO(2)TEA laser can be utilized for both precision ranging and information transfer. A 92% depth of modulation was observed using this Pockels cell modulator configuration.
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