Apparatus and method for generating light in the near ultraviolet to infrared range
US4538278A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 2, 1982 |
| Grant date | Aug 27, 1985 |
| Priority date | — |
| Expiry date | Sep 2, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/094034
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A source of linearly polarized light having a wavelength range of about 550 to 1100 nanometers provides light into one end of an optical fiber. A nonlinear crystal of the type that mixes the frequency of light passing therethrough is positioned adjacent the other end of the fiber. The fiber transmits light from the source to the crystal which increases its frequency up to 100%, dependent upon crystal selection providing light in the 250-550 nanometer wavelength range. Adjusting the radial orientation of the crystal with respect to the fiber optimizes conversion of light to the 250-550 nanometer range. Such light is shined into organic dye which emits fluorescent light in the range of about 400 to 1000 nanometers dependent upon the type of dye selected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.