Super luminescent light source
US5319652A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1993 |
| Grant date | Jun 7, 1994 |
| Priority date | — |
| Expiry date | Jan 29, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/1611
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fiber superfluorescent light source is disclosed which suppresses laser cillations without interfering with the pump light or the super luminescence. In a preferred embodiment of the invention, the fiber superfluorescent light source comprises a laser diode array for providing a pump beam at a wavelength of 0.81 microns, a first fiber doped with neodymium activator ions and being responsive to the pump beam for providing a spontaneous emission at a wavelength of 1.06 microns, and a second fiber optically coupled between the laser diode array and the first fiber for passing the pump beam therethrough to the first fiber to enable the first fiber to spontaneously emit light at the 1.06 micron wavelength and for suppressing backemissions of the 1.06 micron wavelength from the first fiber toward the laser diode array to prevent back reflection from the laser diode array and oscillations in the first fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.