Fiber laser beam processing apparatus
US7436863B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2007 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Jan 17, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/067
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fiber laser beam processing apparatus is configured by a fiber laser oscillator, a laser power source unit, a laser beam injecting unit, a fiber transmission system, a laser beam irradiating unit, a processing table, etc. A portion of a fiber laser beam oscillated and outputted by the fiber laser oscillator is received by a photo diode for monitoring the power through a beam splitter. An output signal of the photo diode is sent to a laser power source unit. The power source unit receives the output signal of the photo diode as a feedback signal and controls a driving current or an excitation current to be supplied to a laser diode of a pumping unit such that the laser output of the fiber laser beam equals a set value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.