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Labio, a.s. – research study of gas chromatograph enhancement
Divoký, Martin
2015 - Czech
This project aimed at testing and development of a UV gas chromatograph Labio G11. A spectrometer from the chromatograph was modified in order to increase nitrogen gas flow in the device and speed at which the inner of the spectrometer is filled with nitrogen (that doesn’t absorb in UV). This allowed decreasing startup time of the spectrometer. Additionally, sensitivity of the spectrometer in region below 150 nm was tested and ways to increase this sensitivity were proposed. Projekt byl zaměřen na testování a vývoj UV plynového chromatografu Labio G11. Spektrometr chromatografu byl modifikován, aby došlo k rychlejšímu propláchnutí vnitřního prostoru dusíkem (neabsorbuje v UV) a byla uspíšena připravenost k provozu. Dále byla otestována citlivost spektrometru v UV pod 150 nm a navrženy možnosti rozšíření citlivosti v této oblasti.
Keywords:
UV detection; UV absorption; gas flow; gas mixing
Available at various institutes of the ASCR
Labio, a.s. – research study of gas chromatograph enhancement
This project aimed at testing and development of a UV gas chromatograph Labio G11. A spectrometer from the chromatograph was modified in order to increase nitrogen gas flow in the device and speed at ...
Plasma preparation of thick metal layers for mechanical engraving of blazed diffraction gratings
Olejníček, Jiří
2015 - Czech
Contract research was focused on preparation and optimization of the deposition process of the selected thick metal layers with a thickness 5 to 10 microns on a polished glass substrates. The emphasis was mainly on the mechanical properties of films: adhesion, porosity, homogeneity, hardness and time stability. Smluvní výzkum byl zaměřen přípravu a optimalizaci procesu depozice vybraných tlustých kovových vrstev o tloušťce 5 až 10 µm na leštěné skleněné substráty. Ze strany zadavatele byl kladen důraz zejména na mechanické vlastnosti vrstev: adheze, porozita, homogenita, tvrdost a časová stálost.
Keywords:
magnetron sputtering; thin films; surface properties
Available at various institutes of the ASCR
Plasma preparation of thick metal layers for mechanical engraving of blazed diffraction gratings
Contract research was focused on preparation and optimization of the deposition process of the selected thick metal layers with a thickness 5 to 10 microns on a polished glass substrates. The emphasis ...
DEL a.s. – Using of laser technologies
Flimelová, Miroslava; Bičišťová, Radka; Brajer, Jan
2015 - Czech
The aim of the study is to provide sufficient and specific information and documents on the selection and subsequent purchase of a laser source suitable accessories for it . The laser source will be used as a technological tool in building the company's innovation center for technological tests , pilot tests and develop new commercial applications . Cílem studie je poskytnout zadavateli dostatečné a konkrétní informace a podklady k výběru a následnému nákupu laserového zdroje a vhodného příslušenství k němu. Laserový zdroj bude využit jako technologický nástroj v budovaném inovačním centru společnosti k technologickým zkouškám, poloprovozním testům a vývoji nových komerčních aplikací.
Keywords:
laser welding; hardening; engraving; powder coating
Available at various institutes of the ASCR
DEL a.s. – Using of laser technologies
The aim of the study is to provide sufficient and specific information and documents on the selection and subsequent purchase of a laser source suitable accessories for it . The laser source will be ...
Škoda Auto a.s. – Selection of the optimal type of laser for laser marking
Švábek, Roman; Bičišťová, Radka; Flimelová, Miroslava
2015 - Czech
Experimental processing of materials with laser beam according the technological requirements of the assignment - the use of appropriate types of lasers based on research ( Phase I) and specify their key technical parameters ( continuous vs pulsed mode, wavelength, pulse duration , pulse shape , power, frequency etc. ). The output is a recommendation of the appropriate type of laser suitable for this technology. Experimentální popis materiálů laserem s ohledem na technologické požadavky v zadání – použití vhodných typů laserů na základě rešerše (fáze I) a specifikování jejich klíčových technických parametrů (kontinuální vs pulsní režim, vlnová délka, délka pulsu tvar pulsu, výkon, frekvence atd.). Výstupem je doporučení vhodného typu laseru vhodného pro tuto technologii.
Keywords:
laser material processing
Available at various institutes of the ASCR
Škoda Auto a.s. – Selection of the optimal type of laser for laser marking
Experimental processing of materials with laser beam according the technological requirements of the assignment - the use of appropriate types of lasers based on research ( Phase I) and specify their ...
L.E.T. optomechanika Praha, spol. s.r.o. – testing of thin layers formed by vapor deposition and sputtering
Řeháková, Martina
2015 - Czech
Were tested by thin layer formed by deposition and sputtering, which are used for optical components power lasers, according to customer requirements.: based material. float glass, borosilicate glass, etc.; broadband anti-reflection coating, dual-layer, single; reflective layer Al, Al + SiO2 + MgF2;layers of Cr, Cr2O3, Au or other variants as required Byly otestovány tenké vrstvy vytvořené napařováním a naprašováním, které jsou používány pro optické komponenty výkonových laserů, podle požadavků zadavatele.: materiály podložek: floutová skla, borosilikátová skla, apod.; antireflexní vrstvy širokopásmové, dvouvrstvé, jednoduché; reflexní vrstvy Al, Al + SiO2, +MgF2; vrstvy Cr , Cr2O3, Au a případně další varianty dle požadavků.
Keywords:
optical reflective layers; reflectance; thickness of layer; roughness of layer; resistance layers testing in laser beam
Available at various institutes of the ASCR
L.E.T. optomechanika Praha, spol. s.r.o. – testing of thin layers formed by vapor deposition and sputtering
Were tested by thin layer formed by deposition and sputtering, which are used for optical components power lasers, according to customer requirements.: based material. float glass, borosilicate glass, ...
Comparison of organic scintillators
Nikl, Martin
2013 - Czech
Optical, luminescence and scintillation characteristics of several organic scintillator samples were compared. Quality of starting materials was found to play a role in the efficiency, while timing characteristics were not changed that much. Energy transfer processes were studied as well. Byly změřeny a porovnány optické, luminiscenční a scintilační charakteristiky vícero vzorků organických scintilátorů. Kvalita zdrojových materiálů pro jejich přípravu měla vliv na jejich scintilační účinnost, méně pak na jejich časové charakteristiky. Byly studovány také procesy přenosu energie.
Keywords:
scintillator; luminescence
Available at various institutes of the ASCR
Comparison of organic scintillators
Optical, luminescence and scintillation characteristics of several organic scintillator samples were compared. Quality of starting materials was found to play a role in the efficiency, while timing ...
Preparation and characterization of selected optical materials
Hulicius, Eduard
2013 - Czech
Crystal structure and technology procedure was optimized to obtained better parameters of PL and RL as well as homogeneity of structure. Structural and optical parameters were measured and evaluated; their influence on crystal characteristics was discussed. New improved material was proposed. P.W = Peak wavelength; P.I = Peak intensity; FWHM = Full With in Half Maximum; D.W = dominant wavelength; I.W = integral w.; I.I = integrated intensity; R.F = reflectivity; T.H = thickness were measured. Optimalizovali jsme krystalovou strukturu a technologii přípravy, abychom získali lepší parametry PL a RL a také homogenity struktury. Měřili a vyhodnotili jsme strukturní a optické parametry; byl diskutován jejich vliv na charakteristiky krystalu. Navrhli jsme nový vylepšený materiál. P.W = vlnová délka maxima; P.I = intenzita maxima; FWHM = šířka v polovině výška maxima; D.W = dominantní vlnová délka; I.W = integrální vlnová délka; I.I = integrovaná intenzita; R.F = reflektivita; T.H = tloušťka byly změřeny.
Keywords:
optical crystals; photoluminescence; radioluminescence; X-ray diffraction
Available at various institutes of the ASCR
Preparation and characterization of selected optical materials
Crystal structure and technology procedure was optimized to obtained better parameters of PL and RL as well as homogeneity of structure. Structural and optical parameters were measured and evaluated; ...
Survival curves of accelerated protons (and other ions) and radiobiological mechanism
Barilla, J.; Čecháček, T.; Judas, Libor; Klusoň, J.; Kundrát, Vojtěch; Lokajíček st., Miloš; Prokeš, K.
2000 - Czech
mathematical modelling
Keywords:
linear energy transfer; cell inactivation; survival curves; radiobiological mechanism
Available at various institutes of the ASCR
Survival curves of accelerated protons (and other ions) and radiobiological mechanism
mathematical modelling
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