Alexandr N Denisov

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An all-silica photonic bandgap fiber with a cladding index difference of approximately 2 % and diameter-to-pitch ratio (d/wedge) of 0.12 was fabricated and studied. To our knowledge, this is the first report on the properties of photonic bandgap fiber with such a small d/wedge. The fiber is single-mode in the fundamental bandgap. The mode field diameter in(More)
An apparatus for automatic lung straightening may be used in medical technologies employed in thoracic (lung) surgery in the postoperative rehabilitation of a patient. This apparatus may automatically (without a physician's or a nurse observance) maintain tension relief in the pleural cavity in the patient on an individual basis, which is required for(More)
The first experience gained in the use of xenospleen perfusate in the management of 13 patients with disseminated fibrous-cavernous tuberculosis is presented. The disease was accompanied by an evident intoxication and respiratory insufficiency. Traditional ways of treatment failed to be effective in all the patients, thus indicating an intravenous drop by(More)