scholarly journals Laser Safety and Hazardous Analysis for the ARES (Big Sky) Laser System

2003 ◽  
Author(s):  
ARNOLD L AUGUSTONI
Keyword(s):  
2021 ◽  
Vol 100 (8) ◽  
pp. 787-791
Author(s):  
Natalia Yu. Mal’kova ◽  
Milena D. Petrova

Introduction. The article presents an analysis of the existing Russian and foreign literature on the issue of domestic and international regulation of laser safety for the population. Purpose. Search for information and analysis of domestic and international experience in the field of regulation of laser radiation levels for the population. The review of available scientific Russian and foreign literary sources and regulatory documents is carried out. The search and selection of sources was carried out using the open databases PubMed and RSCI. The domestic hygienic standards for continuous laser radiation in the spectral range of 380-1400 nm are much more stringent than the standards applied abroad given in IEC-1. At the same time, when developing standards for maximum permissible levels, the possibility of radiation acting on the population and the blinding effect were not taken into account. Foreign and domestic authors note the peculiarities of the effect of laser radiation in the visible region of the spectrum, including its ability to pass freely through the optical media of the eye and damage the retina and adjacent tissues. The analysis of regulatory documents showed a number of differences in the normalization of Russian and international standards, as well as the discrepancy and vagueness of requirements in existing sanitary and epidemiological documents. Conclusion. Existing standards sometimes contradict each other, which prevents a competent assessment of the danger of the laser and the laser system, so the revision of the existing regulatory framework for laser safety for the public is an urgent task, the solution of which will minimize negative changes on the part of the visual organ in persons who are not professionally connected with the action of laser radiation and qualitatively improve the hygienic assessment of laser radiation.


Author(s):  
Jason R. Heffelfinger ◽  
C. Barry Carter

Yttria-stabilized zirconia (YSZ) is currently used in a variety of applications including oxygen sensors, fuel cells, coatings for semiconductor lasers, and buffer layers for high-temperature superconducting films. Thin films of YSZ have been grown by metal-organic chemical vapor deposition, electrochemical vapor deposition, pulse-laser deposition (PLD), electron-beam evaporation, and sputtering. In this investigation, PLD was used to grow thin films of YSZ on (100) MgO substrates. This system proves to be an interesting example of relationships between interfaces and extrinsic dislocations in thin films of YSZ.In this experiment, a freshly cleaved (100) MgO substrate surface was prepared for deposition by cleaving a lmm-thick slice from a single-crystal MgO cube. The YSZ target material which contained 10mol% yttria was prepared from powders and sintered to 85% of theoretical density. The laser system used for the depositions was a Lambda Physik 210i excimer laser operating with KrF (λ=248nm, 1Hz repetition rate, average energy per pulse of 100mJ).


2006 ◽  
Vol 133 ◽  
pp. 701-703
Author(s):  
J. D. Zuegel ◽  
V. Bagnoud ◽  
J. Bromage ◽  
I. A. Begishev ◽  
J. Puth

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