Patent · US Expired

Laser pumping cavity

US4989215A · kind A · utility

13Cited by
11References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 1, 1989
Grant dateJan 29, 1991
Priority date
Expiry dateFeb 1, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S3/093
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A diffusely reflective fluorescent powder used in a laser pumping cavity directs light onto a laser rod and in addition increases the spectral overlap between a pump source and a laser material. Undesirable ultra-violet radiation, which is a substantial fraction of the pump spectrum is converted into useful longer wavelength radiation thereby increasing the laser energy output. The invention further relates to a method of increasing the energy output of lasers and of laser amplifiers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.