Patent ID: 8129683
Filing Date: 2012-03-06
Classification: G01N

Abstract:
1. A waveform information acquisition apparatus for acquiring information regarding a temporal waveform of a terahertz wave, which comprises: a generation portion for generating a terahertz wave; a detection portion for detecting waveform information of the terahertz wave; and a first delay portion for changing a time period from generation of the terahertz wave in the generation portion to detection of the terahertz wave as the waveform information of the terahertz wave in the detection portion, wherein the first delay portion is configured so as to change a propagation velocity of the terahertz wave generated by the generation portion, and wherein the waveform information of the terahertz wave detected by the detection portion and the propagation velocity are associated with each other for each terahertz wave generated by the generation portion.