Sealed crystalline windows for hollow laser fibers
US5625638A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 24, 1994 |
| Grant date | Apr 29, 1997 |
| Priority date | — |
| Expiry date | Oct 24, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/032
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A device is disclosed for delivering laser radiation to a target. The device includes an elongated, hollow, tubular member having an input end and a delivery end. A window is mounted near the delivery end of the device. The window provides a seal preventing smoke and debris from contaminating the interior of the device. In the preferred embodiment, the window is formed from a crystalline material, such as diamond, which has low absorption level for laser light and excellent thermal characteristics. In addition, the thickness of the window is selected to reduce reflection losses and increase the transmission level through the window without the need for fragile antireflection coatings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.