Short-wave infrared spectrum imaging lens
Through the spherical mirror combination design and adjustment of the lens combination relationship, the problem of high difficulty in processing and assembly of short-wave infrared spectral imaging lenses is solved, and high-quality imaging is achieved, which is suitable for more application scenarios.
CN118778225BActive Publication Date: 2025-03-18SHANGHAI INSTITUTE OF TECHNICAL PHYSICS CHINESE ACADEMY OF SCIENCES
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Patent Information
- Application Number
- CN202411101675.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2044-08-12
AI Technical Summary
Technical Problem
The existing short-wave infrared spectral imaging lenses are difficult to process and install and adjust, which limits their application scenarios.
Method used
The combined design of spherical mirrors reduces the difficulty of processing and mounting and adjustment detection of lenses. At the same time, the imaging quality is improved by adjusting the combination relationship between positive lenses and negative lenses.
Benefits of technology
It effectively reduces the difficulty of processing and mounting of lenses, and improves imaging quality, which is suitable for more application needs.
✦ Generated by Eureka AI based on patent content.
Abstract
The present invention relates to the field of optical lenses, and provides a short-wave infrared spectrum imaging lens for short-wave infrared spectrum imaging, which includes, from the object plane to the image plane, a first lens, a second lens, a third lens, an aperture, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an integrated filter; the first lens, the third lens, and the fifth lens are negative lenses, and the second lens, the fourth lens, the sixth lens, and the seventh lens are positive lenses; the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, and the seventh lens are spherical lenses. In order to solve the defects of the short-wave infrared spectrum imaging lens in the prior art, such as high difficulty in processing and high difficulty in installation and adjustment detection, and limited application scenarios, the solution of the present application reduces the difficulty in processing and installation and adjustment detection of the lens by using a spherical lens, and at the same time improves the imaging quality of the imaging lens based on the combination relationship of several lenses of different materials, and reduces image distortion.
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