Journal
Scientific and technical journal «Priborostroenie»
UDK621.373.826.539
Issue:2 (54)
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FORMATION OF PERIODIC STRUCTURES AT THE SURFACE OF SILICATE UNDER RESONANT ACTION OF CO2 LASER IRRADIATION
Annotation
Periodical structures formed at the surface of a natural silicate (quartz, fused silica, nepheline, and rodonite) under the action of pulsed CO2 laser radiation (pulse energy of 1 J, pulse duration of 70 ns) is studied. High resolution optical microscope is used for observation of laser spot characteristics and IR reflection spectroscopy is applied to investigate the surface features before and after exposure to CO2 laser irradiation. The period of the structures obtained is found to be of about 7,3 μm for crystal quartz and about 8 μm for fused silica at laser frequency of 975 cm–1.
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Articles in current issue
- HIGH POWER LASER PROPULSION
- AN EXPERT SYSTEM FOR LASER MICROPROCESSING MODE OPTIMIZATION
- AN EXPERT SYSTEM FOR LASER MICROPROCESSING MODE OPTIMIZATION
- PULSED LASER ASSISTED FORMING OF THIN SHEET METAL
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- COLOR IMAGE FORMATION AT LASER OXIDATION OF METALS
- LASER-ASSISTED GRAFFITI PAINTS REMOVAL
- LASER CLEANING OF SCREENED PRINTING ROLLS
- LASER-ASSISTED RAIL CLEANING TO ENHANCE THE FRICTION COEFFICIENT
- ON FEASIBILITY OF SPECTROSCOPIC CONTROL OVER LASER CLEANING PROCESS
- APPLICATION OF LASER TECHNOLOGIES FOR ARTWORKS RESTORATION
- REMOTE TESTING OF MICROLENS WITH THE USE OF LOW-COHERENCE INTERFEROMETRY AND OPTICAL COHERENCE TOMOGRAPHY
- NEAR-FIELD MICROSCOPY WITH A LINEAR NANOPROBE SUPPORTING PLASMONS