Intra-stark relaxation of Nd sup 3+ in silicate glass: Subpicosecond accumulated photon echo experiments
Conference
·
OSTI ID:5398012
We have directly measured in the time domain the rates of phonon-induced population relaxation within the {sup 4}G{sub 5/2}, {sup 2}G{sub 7/2} Stark manifold of Nd{sup 3+} in a silicate glass. At 13 K, these processes occur in the picosecond to subpicosecond time regime. The populations relaxation time increases with excitation frequency within each inhomogeneously broadened Stark component. Finally, the location of the Stark components within the entire inhomogeneous profile can be inferred from the data. 13 refs., 1 fig.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA)
- Sponsoring Organization:
- DOE/ER
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 5398012
- Report Number(s):
- UCRL-101088; CONF-890813--1; ON: DE90002786
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
656002* -- Condensed Matter Physics-- General Techniques in Condensed Matter-- (1987-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CHARGED PARTICLES
ELECTRON-PHONON COUPLING
ENERGY LEVELS
EXCITED STATES
IONS
LINE BROADENING
NEODYMIUM IONS
OXYGEN COMPOUNDS
RELAXATION
SILICATES
SILICON COMPOUNDS
STARK EFFECT
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
656002* -- Condensed Matter Physics-- General Techniques in Condensed Matter-- (1987-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CHARGED PARTICLES
ELECTRON-PHONON COUPLING
ENERGY LEVELS
EXCITED STATES
IONS
LINE BROADENING
NEODYMIUM IONS
OXYGEN COMPOUNDS
RELAXATION
SILICATES
SILICON COMPOUNDS
STARK EFFECT