WO2025144574 - IMAGING SPECTROMETER AND CAMERA WITH ROTATING PRISM
National phase entry is expected:
Publication Number
WO/2025/144574
Publication Date
03.07.2025
International Application No.
PCT/US2024/058802
International Filing Date
06.12.2024
Title **
[English]
IMAGING SPECTROMETER AND CAMERA WITH ROTATING PRISM
[French]
SPECTROMÈTRE D'IMAGERIE ET CAMÉRA À PRISME ROTATIF
Applicants **
KARL STORZ IMAGING, INC.
Inventors
HALE, Eric
Priority Data
18/401,344
30.12.2023
US
Application details
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International Searching Authority |
USPTO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| 译文 |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2312 | |
| EPO | Filing, Examination, Granting | 14702 | |
| Japan | Filing, Examination, Granting | 2340 | |
| South Korea | Filing, Examination, Granting | 2536 | |
| USA | Filing, Examination, Granting | 4510 |
Total:
26,400
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Abstract[English]
A hyperspectral imaging system includes an optical channel arranged to focus light at a first image plane. A spectrometer includes a slit formed at the first image plane to allow a portion of the light to pass. A dispersive element receives light from the slit and spectrally disperses it along a direction perpendicular to a width of the slit. A focusing lens focuses the spectrally dispersed light at a second image plane such that the spectral dispersion is imaged along a first axis of the second image plane, and a spatial image of the slit width is imaged along a second axis. A sensor at the second image plane detects the spectrally dispersed light. A rotating prism is located distally to the slit and rotates, thereby rotating the image at the first imaging plane so that the portion of the image transmitted into the spectrometer varies.[French]
Un système d'imagerie hyperspectrale selon l'invention comporte un canal optique conçu pour focaliser la lumière au niveau d'un premier plan d'image. Un spectromètre comporte une fente formée au niveau du premier plan d'image pour permettre à une partie de la lumière de passer. Un élément dispersif reçoit la lumière provenant de la fente et la disperse
spectralement le long d'une direction perpendiculaire à une largeur de la fente. Une lentille de focalisation focalise la lumière spectralement dispersée au niveau d'un second plan d'image de telle sorte que la dispersion spectrale soit imagée le long d'un premier axe du second plan d'image, et qu'une image spatiale de la largeur de fente soit formée le long d'un second axe. Un capteur au niveau du second plan d'image détecte la lumière spectralement dispersée. Un prisme rotatif est situé de manière distale par rapport à la fente et tourne, ce qui permet de faire tourner l'image au niveau du premier plan d'imagerie de sorte que la partie de l'image transmise dans le spectromètre varie.