Patent ID: 11880027
Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. A high-speed stereo 3D multimodal imaging system, comprising:
a beam splitter, configured to generate first and second near-infrared ultrafast pulsed laser sub-beams with different angles;
a pair of plane mirrors with adjustable rotation angles, respectively configured to reflect the first and second near-infrared ultrafast pulsed laser sub-beams;
a focus lens, disposed on optical paths of the first and second near-infrared ultrafast pulsed laser sub-beams that are respectively reflected by the pair of plane mirrors and configured to tightly focus the first and the second near-infrared ultrafast pulsed laser sub-beams onto a 3D micro-nanoscale sample;
a microscope stage, configured to carry the 3D micro-nanoscale sample and three-dimensionally displace the 3D micro-nanoscale sample;
an imaging lens, disposed on optical paths of the first and second near-infrared ultrafast pulsed laser sub-beams that are tightly focused by the focus lens and configured to collect multimodal nonlinear spectral signals generated by the 3D micro-nanoscale sample due to scattering after the 3D micro-nanoscale sample is irradiated by the first and the second near-infrared ultrafast pulsed laser sub-beams that are tightly focused so as to generate two images beams for obtaining two 2D images each containing information of the 3D micro-nanoscale sample;
a filter, disposed on optical paths of the two images beams generated by the imaging lens and configured to select a single spectrum from the multimodal nonlinear spectral signals, and obtain monochrome 2D images corresponding to the single spectrum;
a large area array detector, configured to simultaneously detect the two monochrome 2D images corresponding to the single spectrum; and
a true 3D imaging module, configured to, after performing one detection on each of target spectrums, superimpose each of monochrome images formed by the target spectrums to form a multimodal color 2D view, and perform a true 3D imaging according to the two superimpose multimodal color 2D views.