OPTICAL MODULE, SPECTROSCOPIC DEVICE FOR HYPERSPECTRAL IMAGING, AND IMAGING MEASUREMENT METHOD USING THE SAME
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Feb 15, 2024
filing date -
Feb 15, 2024
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Abstract
An optical module includes: a diffraction grating configured to rotate and focus a beam, which is incident thereon from an incident path, onto a Fourier plane, a digital micromirror array (DMD) configured to assign a frequency for each wavelength of the focused beam received at the Fourier plane, and perform a Fourier transform for each frequency, and a first optical fiber configured to receive a beam that is reflected back from the DMD back and the diffraction grating, and along the incident path.
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