Compensating optical coupler for visible and NIR imaging
US8773756B2 · kind B2 · utility
24Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2009 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Aug 25, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/0086
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical system, in particular for endoscopic applications, is disclosed which uses wavelength-compensating optical components, in particular prisms, made of materials with different inter-element coatings and refractive indices to image significantly different wavelength-ranges (VIS and NIR) onto the same image plane of an image acquisition device, such as a CCD sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.