Invention Grant
- Patent Title: Hyperspectral camera based on continuously variable film filter and coating method thereof
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Application No.: US16914472Application Date: 2020-06-29
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Publication No.: US11622084B2Publication Date: 2023-04-04
- Inventor: Xinghai Chen , Yelin Liu , Zhihui Huang , Hongyu Zhang , Yu Huang
- Applicant: SICHUAN DUALIX SPECTRAL LMAGING TECHNOLOGY CO., LTD
- Applicant Address: CN Sichuan
- Assignee: SICHUAN DUALIX SPECTRAL LMAGING TECHNOLOGY CO., LTD
- Current Assignee: SICHUAN DUALIX SPECTRAL LMAGING TECHNOLOGY CO., LTD
- Current Assignee Address: CN Sichuan
- Priority: CN202010256998.7 20200402,CN202010257302.2 20200402,CN202020472164.5 20200402,CN202020472610.2 20200402
- Main IPC: H04N5/33
- IPC: H04N5/33 ; G02B5/20 ; G03F7/20 ; G02B13/14

Abstract:
A hyperspectral camera based on a continuously variable film filter and a coating method thereof can solve interference between partial bands of the hyperspectral camera based on the continuously variable film filter. The hyperspectral camera includes: a camera body and a detector chip, wherein a continuously variable film is coated on the detector chip; a semi-transmission half-cut filter is provided in front of the continuously variable film, and a distance between the semi-transmission half-cut filter and the continuously variable film is 0 mm. According to the present invention, the semi-transparent half-cut filter and the detector chip are integrated without any gap therebetween. As a result, optical interference caused by incident light sequentially passing through the semi-transparent half-cut filter and the detector chip is greatly reduced, which can reduce distortion of spectral signals, and finally satisfy wide-band application requirements which can be truly realized based on such technology.
Public/Granted literature
- US20200329205A1 Hyperspectral camera based on continuously variable film filter and coating method thereof Public/Granted day:2020-10-15
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