FIELD: electro-optic engineering.
SUBSTANCE: detector has laser pulse sequence source and glass dish with resonant medium placed inside solenoid. Laser pulses are separated in time; they have preset intensities and duration. Two polarization Glan prisms, crossed relatively each other, and rotary mirror are mounted outside first edge window of dish. Angle mirror reflector is mounted outside the other edge window of glass dish. Entrance polarization Glan prism specifies direction of linear polarization of exciting laser pulses. Exit polarization Glan prism serves for decomposing of photon echo signal to two orthogonal components. Detector provides elimination of affect of changes in characteristic of resonant medium onto result of registration of angle on non-Faraday turn of photon echo polarization echo caused by changes in temperature, pressure and environmental humidity.
EFFECT: improved efficiency; increased reliability of operation.
1 dwg
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Authors
Dates
2006-09-27—Published
2004-11-29—Filed