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	Design, manufacture and test of M1 and M2 mirror production Lédl, Vít ; Melich, Radek ; Pintr, Pavel ; Polák, Jaroslav ; Procháska, František ; Psota, Pavel ; Rail, Zdeněk ; Steiger, Lukáš ; Tomka, David ; Václavík, Jan ; Vápenka, David ; Vít, Tomáš ; Bartoníček, Jiří Design and tests for realization of M1 and M2 mirrors for METIS project. Detailed record
	METIS – Design report - mirrors Lédl, Vít ; Melich, Radek ; Psota, Pavel ; Steiger, Lukáš ; Vít, Tomáš ; Kovačičinová, Jana The presented study shows results from the mechanical design of M1 and M2 mirrors for METIS/ICOR. The study compares the material properties of different materials, which are often used for manufacturing of Detailed record
	Illumination study of 3SU1 project Melich, Radek ; Vojtíšek, Petr ; Mach, M. This document provides report of results obtained during measurement of Siemens 3SU1 PLCompact, 3SU1 PLModular nad PCB indicators and their comparison to 3SB3 and Allan Bradley pilot lights. Detailed record
	Simulation of Residual Optical Aberrations of Objective Lens 210/3452 of Solar Spectrograph of Ondřejov Observatory Rail, Zdeněk ; Jareš, Daniel ; Melich, Radek At the end of 2012 was done measuring and clean the lens 210/3452 of the solar spectrograph Observatory Astronomical Institute Academy of Sciences in Ondrejov. The spectrograph is working in line H-alpha and is formed by a birefringent lens-polarizing filter, positioned in front of the focal plane. The measured values are enumerated in the optical properties. In a report to present to the results of mathematical quantification of residual defects and new optical system design suitable for use Fabry-Perot filters. Detailed record
	Irregular surfaces - measurements and ZEMAX simulations Melich, Radek ; Psota, Pavel ; Lédl, Vít ; Václavík, Jan Surfaces produced on optical elements are loaded by dierent kinds of irregularities whose allowable amplitudes are prescribed by optical tolerances defined by an optical designer. An important feedback between realized and designed surfaces can be achieved using interferometry or profilometry measurements for instance. This article discusses dierent kinds of representation and visualization of those measurements in ZEMAX, enabling optical designer to evaluate an impact of the irregular surface on the optical system performance. Detailed record
	The improvement of resolving power of small chromospheric telescopes Melich, Radek ; Rail, Zdeněk ; Melich, Zbyněk The Mersen system was constructed for improvement of resolving power of commercial solar chromospheric telescopes (Coronado, Lunt). Former device of aperture of 40 mm and resolving power 4“ was equipped with entral member – afocal Mersen system of 120 mm diameter. Resolving power of composed systém was increased to 1.2“ which was observed during good seeing conditions. Detailed record
	Optical design of imaging system of spectrograph with multichannel filter Rail, Zdeněk ; Jareš, Daniel ; Lédl, Vít ; Melich, Radek ; Melich, Zbyněk ; Václavík, Jan ; Oupický, Pavel At present time multi channel filter is developed within grant in IPP AS CR, v.v.i. It will enable to observe solar phenomena in several interesting working wavelengths. This filter is composed of five members and possesses long optical interval of parallel beams. In this paper we present several variants of imaging systems of spectrograph which are optimized for this filter. Detailed record
	Design of birefringence filter for HeI and CaII line in near IR spectral range Melich, Radek ; Melich, Zbyněk ; Šolc, Ivan ; Klimeš st., J. ; Klimeš ml., J. Spectral sensitivity of today’s CCD chips allows observing in near IR spectral range. Solar observations on astronomically interesting spectral lines of Helium and Calcium in near infra-red region have not yet been done in the Czech Republic. The paper deals with a design of birefringent filter of Šolc type for wavelengths 10830 Å (HeI line) a 8542 Å (CaII line) that would enable such observation. Detailed record
	The Merz objective 160 / 179 of refractor of Upice Observatory Rail, Zdeněk ; Šrajer, Bohdan ; Lédl, Vít ; Jareš, Daniel ; Oupický, Pavel ; Melich, Radek ; Melich, Zbyněk In this paper, basic optical characteristic of historic objective lens manufactured by Merz are presented. This objective lens has been in use in main dome of Upice observatory since 1960. The lens was cleaned up and adjusted, during reconstruction work of paralactic mount in beginning of this year. Opto-mechanical parameters of the lens were measured. Measured values of optical parameters are presented. Detailed record
	The measure device for measuring and control of light conditions of plant growth Melich, Zbyněk ; Melich, Radek ; Oupický, Pavel ; Šolc, Ivan ; Klimeš st., J. ; Klimeš ml., J. Šolc birefringent polarizing filter for more spectral lines Šolc birefringent polarizing narrow - bandpass filters are successfully used for professional observations of solar chromosphere. They are usually constructed to work for only one transmitting wavelength. Principally it is possible to design such filters to transmit more narrow – banded spectral lines. Filter consist of two parts: Frontal part is broad – band filter, with which, required spectral line can be adjusted. Second – main part consists of 26 quartz plates. Filter is designed for observation of Sun in interesting spectral lines: KII, HY, BaII, HZ, D1, D3 and He. Detailed record

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