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	Preparation and properties of pyroelectric detectors for optoelectronic applications (II) Novotný, Jan ; Zelinka, Jiří ; Podvalová, Zdislava ; Malina, Václav ; Vávra, Vladimír ; Krechler, Jindřich ; Franc, V. ; Fronc, Václav Technology of preparation of doped single crystals of triglycine sulphate for application in optoelectronics is described. Internal report contains also technology of preparation of simple pyroelectric detectors which operate in infrared region, wavelengths 2-25ćm. Measurement methods for infrared detectors and their basic technical parameters are presented. The prepared infrared detectors operate as non-cooling elements with hybrid high impedance amplifier. Detailed record
	Sensitivity of CdS photoresistors in ultraviolet spectrum and technology Franc, J. ; Novotný, Jan ; Jirásek, L. ; Petráň, S. ; Kliment, P. Several groups of photoresistors based on thin film of evaporated CdS were prepared. Groups were distinguished in concentrations of acceptors (Cu) and donors (Cl) which were used in activation of layers. Each group was characterised by means of slope in visible range and by relative sensitivity in UVA region. Relative sensitivity in UVA region decreases when concentrations of activators increasee. Detailed record
	Technolgy of materials preparation for the high sensitivity infrared detectors Novotný, Jan ; Zelinka, Jiří ; Franc, J. Single crystals of triglycine sulphate (TGS) doped with L-alanin, lysin and with Co.sup.2+.sup., Cd.sup.2+.sup. and PO.sub.4./sub..sup.3-.sup. were grown from aqueous solutions by means of slow cooling method. Concentration of doping elements varied from 5 to 20mol. per cent. Morphology, domain structure and P-E hysteresis loops have been investigated. TGS single crystals doped with Co.sup.2+.sup. and PO.sub.4./sub..sup.3-.sup. show the inernal fields as high as 217 kV/m with peculiarities in the hysteresis loops. The best hysteresis loop has been obtained on TGS crystal doped with Lysin and Cd.sup.2+.sup. ions. Detailed record
	Preparation and properties of pyroelectric detectors for optoelectronic applications (I) Novotný, Jan ; Březina, Bohumil ; Zelinka, Jiří ; Malina, Václav ; Vávra, Vladimír ; Zavadil, Jiří ; Velvarský, Jaroslav ; Fronc, Václav ; Pospíšil, Miroslav The photodetectors operating in the 0.8-20ćm wavelength region have been prepared. The report is devoted to the research and realisation of novel types of materials on the basis TGS single crystals family. The prepared detectors have been tested in static and dynamical regime of operation. The obtained results have been passed on TESLA BLATNÁ Company. Detailed record
	The preparation of new materials for infrared detectors Prokopová, Lucie ; Novotný, Jan ; Kostka, František Detailed record
	Application of pyroelectric sensors in optoelectronics Novotný, Jan ; Kostka, František ; Prokopová, Lucie Detailed record
	Automation of LPE growth of semiconductor heterostructures Novotný, Jan ; Kostka, František ; Leba, P. ; Poupa, M. Detailed record
	Technologie přípravy superluminiscenční diody pro pásmo 1,3 ćm. (Preparation of 1,3ćm superluminescent diode) Novotný, Jan Detailed record
	RTG stanovení mřížkového přizpůsobení polovodičových heterostructur InGaAsP/InP Novotný, Jan ; Procházková, Olga ; Kacerovský, Pavel Detailed record
	Effect of LPE-growth buffer layer in the InGaAsP/InP systems Novotný, Jan ; Procházková, Olga Detailed record

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