3571737

Information

• Patent Grant
• 3571737

• References
• Source

• Patent Number

  3,571,737

• Date Filed

  Not available

• Date Issued

  Tuesday, March 23, 1971
  53 years ago

• CPC

  • H04B10/291 - in which processing or amplification is carried out without conversion of the main signal from optical form
  • H01S3/06754 - Fibre amplifiers
  • H01S3/091 - using optical pumping
  • H01S3/0933 - of a semiconductor
  • H04B10/2912 - characterised by the medium used for amplification or processing
  • H04B10/2933 - considering the whole optical path
  • H04B10/2935 - with a cascade of amplifiers
  • H01S3/0672 - Non-uniform radial doping
  • H01S5/10 - Construction or shape of the optical resonator

• US Classifications

  • 359 - Optical: systems and elements