Patent · US Expired

Second harmonic generation with N,N'-substituted barbituric acids

US4714838A · kind A · utility

5Cited by
10References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 1986
Grant dateDec 22, 1987
Priority date
Expiry dateOct 31, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D239/62
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Devices for and method of generating coherent second harmonic light radiation. The devices comprise a laser source of coherent light radiation at a fixed fundamental frequency, a crystalline N,N'-substituted barbituric acid that crystallizes in a non-centrosymmetric configuration, means for directing the output radiation of the laser onto the N,N'-substituted barbituric acid, and output means for utilizing the second harmonic frequency.

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