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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 4. Отображено 4.
14-07-2023 дата публикации

Preparation method of high-hardness nano periodic grating

Номер: CN116430493A
Автор: SHAN CHONG, JIAO JIAN, ZHAO XIAOHUI, CUI YONG, GAO YANQI, JI LAILIN, RAO DAXING, XIA LAN, FENG WEI, LIU DONG, SHI JIAN, CAI GUODONG, ZHU XIANGYU
Принадлежит:

The invention discloses a preparation method of a high-hardness nano periodic grating. The method comprises the following steps: firstly, carrying out surface impact strengthening on a grating preparation material by utilizing a laser strengthening device; cleaning and polishing the reinforced grating preparation material; and finally, processing the polished grating preparation material by using a nano periodic grating preparation laser system to prepare the nano periodic grating. According to the preparation method of the high-hardness nanometer periodic grating, the prepared nanometer periodic grating structure has the advantages of being high in strength and good in abrasion resistance, the problem that the nanometer periodic grating prepared in a traditional mode is extremely fragile is solved, the use and maintenance cost is greatly reduced, and application scenes under more extreme conditions are expanded.

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Номер записи: 1
18-11-2015 дата публикации

Mipor preparation facilities of high aspect ratio

Номер: CN0204771160U
Автор: SHAN JIONG, RAO DAXING, CUI YONG, LI XIAOLI, ZHOU SHIAN, MA WEIXIN
Принадлежит:

The utility model relates to a mipor preparation facilities of high aspect ratio for high aspect ratio micropore. The utility model discloses a preparation facilities is that high aspect ratio micropore is prepared to the mode of utilizing dipulse combination, has contained two kinds of laser combinations that the pulse width is different in laser lamp -house, utilizes data signal time delay generator to control the time that the dipulse combination reaches the sample respectively, and the laser pulse of two kinds of laser instruments passes through the combination of optics components and parts and focuses on to the sample on, directly carries out laser ablation to the sample, including femto second laser ware, nanosecond laser instrument, data signal time delay generator, half -wave plate, the optics polarizer, beam splitter, holophote, white light light source, charge coupled cell, three -dimensional moving platform and computer in the preparation facilities. The utility model discloses ...

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Номер записи: 2
11-04-2023 дата публикации

Micro-displacement sensing device and measuring method based on broadband light spatial domain-spectral domain microscopic interferometry

Номер: CN115950362A
Автор: ZHENG QUAN, CUI YONG, JI LAILIN, RAO DAXING, HE RUIJING, LIU JIA, SHI JIAN, ZHANG FAWANG
Принадлежит:

The invention provides a micro-displacement sensing device based on broadband light spatial domain-spectral domain microscopic interferometry, which comprises a broadband light source, a Kohler illumination system, a microscope tube, an interference objective lens, a measured piece, a precise electric control platform, a beam splitter, a scientific CCD (Charge Coupled Device), a light guide optical fiber, a multi-channel spectrograph and a computer, and also relates to a micro-displacement measuring method. According to the device and the method, non-contact displacement sensing is adopted, damage to a measurement piece is avoided, axial scanning is not needed in the measurement process, the measurement efficiency is high, the time is short, and instant measurement can be achieved; according to the measurement method, a spatial domain interference method and a spectral domain interference method of broadband light are combined, small displacement sensing is carried out through spatial domain ...

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Номер записи: 3
09-09-2015 дата публикации

Preparation method and preparation device of high-depth-diameter ratio micropores

Номер: CN104889576A
Автор: SHAN JIONG, RAO DAXING, CUI YONG, LI XIAOLI, ZHOU SHIAN, MA WEIXIN
Принадлежит:

The invention relates to a preparation method and a preparation device of high-depth-diameter ratio micropores. The preparation method and the preparation device are used for high-depth-diameter ratio micropores. The preparation method is used for preparing the high-depth-diameter ratio micropores in a dual-pulse combination manner; the laser source comprises two laser combinations different in pulse width; a digital signal time delay generator is used for controlling the two pulse combinations for the time of a sample; the laser pulses of two laser devices are combined and focused on the sample by use of an optical component to perform laser etching on the sample directly; the preparation device comprises a femtosecond laser device, a nanosecond laser device, a digital signal time delay generator, a half-wave plate, an optical polarizer, a beam splitter, a total reflector, a white light source, a charge coupling element, a three-dimensional mobile platform and a computer. The preparation ...

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Номер записи: 4