Interaction of 10.6 um Radiation with Current Carriers in Germanium.

Abstract

The absorption of 10.6 micrometer energy by excess carriers in germanium is used to study carrier profiles within the bulk of intrinsic material. Excess carriers are injected into blocks of germanium with dimensions in the millimeter range. The material is probed by a fine beam from a CO2 laser and the energy in the exit ray is measured to determine carrier absorption. Carrier density in the material is found to correspond to two distinct patterns. The absence of space charge and pronounced carrier recombination was noted. The determination of carrier cross section is discussed. (Author)

Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1971
Accession Number
AD0732832

Entities

People

  • Harold Jacobs
  • Michael E. Benanti

Organizations

  • United States Army Communications-Electronics Command

Tags

DTIC Thesaurus Topics

  • Absorption
  • Carbon Dioxide Lasers
  • Electromagnetic Fields
  • Electromagnetic Radiation
  • Germanium
  • Lasers
  • Light (Electromagnetic Radiation)
  • Materials
  • Micrometers
  • Optical Phenomena
  • Radiation
  • Space Charge

Fields of Study

  • Physics

Readers

  • Aviation Safety and Air Traffic Management
  • Molecular Photonics/Laser Physics
  • Thin Film Deposition Science.

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers
  • Space
  • Space - Hall-Effect Thruster