TERAHERTZ LIGHT GENERATOR

摘要

A terahertz light generator comprises a terahertz light generating device (1), an irradiating section (2), and a bias power source (3). The terahertz light generating device (1) has a photoconductive section (14) and two conducting sections (12, 13) formed on this photoconductive section (14) by splitting in a first direction. A gap (g) is formed between the two conducting sections (12, 13). The irradiating section (2) irradiates the gap (g) with excitation pulse light having a flux of a predetermined shape. Its irradiation region (R1) has a shape approximate to an ellipse the length of which is longer in a second direction orthogonal to a first direction than in the first direction.