TERAHERTZ TEMPORAL AND SPATIAL RESOLUTION IMAGING SYSTEM, IMAGING METHOD AND APPLICATION THEREOF

摘要

A terahertz temporal and spatial resolution imaging system is provided. The system includes: a sample placing rack; a detection crystal, located on the exit side of the sample placing rack; a pump light generating device, for generating a pump light to irradiate the test sample; a terahertz light generating device, for generating a terahertz light to irradiate the test sample, irradiate the detection crystal after obtaining information about the test sample, and modulate an index ellipsoid of the detection crystal; a detection light generating device, for generating a detection light to irradiate the detection crystal to detect the index ellipsoid of the detection crystal, thereby indirectly obtaining the information about the test sample; and an imaging apparatus, located in an optical path after the detection light passes through the detection crystal, for collecting terahertz images of the test sample.

主权项

1. A terahertz temporal and spatial resolution imaging system, comprising:
a sample placing rack, for placing a test sample; a detection crystal, located on the exit side of the sample placing rack; a pump light generating device, for generating a pump light, wherein the pump light is used for irradiating the test sample to make the test sample generate light-induced results; a terahertz light generating device, for generating a terahertz light, wherein the terahertz light is used for irradiating the test sample, irradiating the detection crystal after obtaining information about the test sample, and modulating an index ellipsoid of the detection crystal through an electro-optic effect; a detection light generating device, for generating a detection light, wherein the detection light is used for irradiating the detection crystal to detect the index ellipsoid of the detection crystal, thereby indirectly obtaining the information about the test sample; and an imaging apparatus, located in an optical path after the detection light passes through the detection crystal, for receiving the detection light and collecting terahertz images of the test sample.