Proposal for a Nuclear Gamma-Ray Laser of Optical Range

Abstract

A possibility of amplification of the 7.6 eV $\gamma$-radiation by the stimulated $\gamma$-emission of the ensemble of the ${}^{229m}$Th isomeric nuclei in a host dielectric crystal is proved theoretically. This amplification is a result of: 1) the excitation of a large number of the ${}^{229m}$Th isomers by laser radiation; 2) the creation of the inverse population of nuclear levels in a cooled sample owing to the interaction of thorium nuclei with the crystal electric field or with an external magnetic field; 3) the emissions/absorption of the optical photons by thorium nuclei in the crystal without recoil; 4) the nuclear spin relaxation through the conduction electrons of the metallic covering.

4 pages, 2 figures

References in corpus (1)

• Enhanced effect of temporal variation of the fine structure constant in diatomic molecules

Cited by in corpus (5)

• Performance of a 229 Thorium solid-state nuclear clock
• Nuclear clocks based on resonant excitation of gamma-transitions
• Coherence-enhanced optical determination of the ${}^{229}$Th isomeric transition
• Possible generation of $\gamma$-ray laser by electrons wiggling in a background laser
• Temporal dynamics of stimulated emission with applications in nuclear quantum optics