Laser purification of ultradispersed diamond in aqueous solution
Journal Article
·
· Quantum Electronics (Woodbury, N.Y.)
- Scientific Center for Wave Studies, A.M.Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow (Russian Federation)
- A.M. Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow (Russian Federation)
The effect of pulsed radiation from a 2.92-{mu}m, 130-ns Cr{sup 3+}:Yb{sup 3+}:Ho{sup 3+}:YSGG holmium laser and a 510-nm, 20-ns copper vapour laser on an aqueous suspension of ultradispersed diamond is studied. X-ray photoelectron spectroscopy and electron energy loss spectroscopy revealed that exposure of the suspension to holmium laser radiation reduces the concentration of nondiamond carbon impurity in it. This is due to the dissolution of carbon impurity in supercritical aqueous solution, caused by radiation absorption. Dissolution of the nondiamond fraction may serve as an indicator of the solution being in the supercritical state as a result of laser irradiation of liquids. This process can be used for efficient purification of ultradispersed diamonds. (laser applications and other topics in quantum electronics)
- OSTI ID:
- 21470601
- Journal Information:
- Quantum Electronics (Woodbury, N.Y.), Journal Name: Quantum Electronics (Woodbury, N.Y.) Journal Issue: 9 Vol. 34; ISSN 1063-7818
- Country of Publication:
- United States
- Language:
- English
Similar Records
Dissolution in a supercritical liquid as a mechanism of laser ablation of sapphire
Q-switching in a Cr{sup 3+}:Yb{sup 3+}:Ho{sup 3+}:YSGG crystal laser based on the {sup 5}I{sub 6} - {sup 5}I{sub 7} ({lambda}=2.92{mu}m) transition
Photovoltaic effect in water induced by a 2.92-{mu}m Cr{sup 3+}:Yb{sup 3+}:Ho{sup 3+}: YSGG laser
Journal Article
·
Tue Jul 31 00:00:00 EDT 2001
· Quantum Electronics (Woodbury, N.Y.)
·
OSTI ID:21454732
Q-switching in a Cr{sup 3+}:Yb{sup 3+}:Ho{sup 3+}:YSGG crystal laser based on the {sup 5}I{sub 6} - {sup 5}I{sub 7} ({lambda}=2.92{mu}m) transition
Journal Article
·
Fri Apr 30 00:00:00 EDT 1999
· Quantum Electronics (Woodbury, N.Y.)
·
OSTI ID:21439471
Photovoltaic effect in water induced by a 2.92-{mu}m Cr{sup 3+}:Yb{sup 3+}:Ho{sup 3+}: YSGG laser
Journal Article
·
Sun Oct 30 23:00:00 EST 2005
· Quantum Electronics (Woodbury, N.Y.)
·
OSTI ID:21470829
Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AQUEOUS SOLUTIONS
CARBON
CHARGED PARTICLES
CHROMIUM IONS
COPPER
DIAMONDS
DISPERSIONS
DISSOLUTION
ELECTROMAGNETIC RADIATION
ELECTRON SPECTROSCOPY
ELEMENTS
ENERGY-LOSS SPECTROSCOPY
FLUIDS
GAS LASERS
HOLMIUM
HOLMIUM IONS
HOMOGENEOUS MIXTURES
IONS
LASER RADIATION
LASERS
LIQUIDS
METAL VAPOR LASERS
METALS
MINERALS
MIXTURES
NONMETALS
PHOTOELECTRON SPECTROSCOPY
RADIATIONS
RARE EARTHS
SOLUTIONS
SPECTROSCOPY
SUPERCRITICAL STATE
SUSPENSIONS
TRANSITION ELEMENTS
X-RAY PHOTOELECTRON SPECTROSCOPY
YTTERBIUM IONS
GENERAL PHYSICS
AQUEOUS SOLUTIONS
CARBON
CHARGED PARTICLES
CHROMIUM IONS
COPPER
DIAMONDS
DISPERSIONS
DISSOLUTION
ELECTROMAGNETIC RADIATION
ELECTRON SPECTROSCOPY
ELEMENTS
ENERGY-LOSS SPECTROSCOPY
FLUIDS
GAS LASERS
HOLMIUM
HOLMIUM IONS
HOMOGENEOUS MIXTURES
IONS
LASER RADIATION
LASERS
LIQUIDS
METAL VAPOR LASERS
METALS
MINERALS
MIXTURES
NONMETALS
PHOTOELECTRON SPECTROSCOPY
RADIATIONS
RARE EARTHS
SOLUTIONS
SPECTROSCOPY
SUPERCRITICAL STATE
SUSPENSIONS
TRANSITION ELEMENTS
X-RAY PHOTOELECTRON SPECTROSCOPY
YTTERBIUM IONS