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Title: Terahertz wave electro-optic measurements with optical spectral filtering

We propose electro-optic detection techniques based on variations of the laser pulse spectrum induced during pulse co-propagation with terahertz wave radiation in a nonlinear crystal. Quantitative comparison with two other detection methods is made. Substantial improvement of the sensitivity compared to the standard electro-optic detection technique (at high frequencies) and to the previously shown technique based on laser pulse energy changes is demonstrated in experiment.
Authors:
;  [1] ;  [2] ;  [1] ;  [3]
  1. Institute of Applied Physic RAS, Nizhny Novgorod 603950 (Russian Federation)
  2. Faculty of Physics, M.V. Lomonosov Moscow State University, Moscow 119991 (Russian Federation)
  3. (Russian Federation)
Publication Date:
OSTI Identifier:
22398753
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 106; Journal Issue: 12; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; COMPARATIVE EVALUATIONS; CRYSTALS; DETECTION; ELECTROMAGNETIC PULSES; ELECTRO-OPTICAL EFFECTS; LASER RADIATION; NONLINEAR PROBLEMS; SENSITIVITY; THZ RANGE; VARIATIONS; WAVE PROPAGATION