Microwave Generation in Ruby Due to Population Inversion Produced by Optical Absorption

This publication has 7 references indexed in Scilit:

• Optical Detection of Paramagnetic Resonance in an Excited State of ${\mathrm{Cr}}^{3+}$ in ${\mathrm{Al}}_2$${\mathrm{O}}_3$
  Physical Review Letters, 1959
• Optical Detection of Paramagnetic Resonance in Crystals at Low Temperatures
  Physical Review Letters, 1959
• Optical Detection of Paramagnetic Resonance Saturation in Ruby
  Physical Review Letters, 1959
• Masers
  Reviews of Modern Physics, 1959
• Multilevel Pulsed-Field Maser for Generation of High Frequencies
  Physical Review Letters, 1959
• Maser Action in Ruby
  Physical Review B, 1958
• Proposal for a New Type Solid State Maser
  Physical Review B, 1956