Patent · US Expired

Alignment control system for lasers

US5121405A · kind A · utility

8Cited by
3References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 20, 1990
Grant dateJun 9, 1992
Priority date
Expiry dateDec 20, 2010

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S3/139
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Control systems for stabilizing the position of a beam from a laser are disclosed. In one aspect, lateral alignment deviations created by varying thermal effects in a solid state gain medium are compensated. A system is also disclosed which can isolate and the correct both lateral and angular alignment errors.

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