National Repository of Grey Literature 136 records found  beginprevious96 - 105nextend  jump to record: Search took 0.00 seconds. 
SMV-2012-28: Technology research of stabilization of optical frequency to reference transitions
Lazar, Josef ; Hrabina, Jan
The research was oriented towards custom design, optical technology processes, realization and testing of special optical frequency reference for realization of ultra-stable laser source for space-borne/orbital laser interferometer. The work included new technology steps evaluation and measurement of reachable spectral properties of realized reference.
SMV-2012-27: Investigation of optical frequency reference for laser stabilization
Lazar, Josef ; Hrabina, Jan
The research work was aimed to custom design, non-standard material technology and realization of an optical absorber for realization of ultra-stable laser sources for high resolution nanometrology and laser interferometry.
SMV-2012-26: Desing and realization of optical frequency references for visible spectral range
Lazar, Josef ; Hrabina, Jan
The research included design, technology investigation and realization of suitable absorber with ultra-narrow spectral components at 532 nm wavelength region. This tool will serve as an optical frequency reference for realization of ultra-stable optical oscillators for precise interferometry in the nanoworld.
SMV-2013-31: Design and realization of reference of optical frequency for visible spectral range
Lazar, Josef ; Hrabina, Jan
The research was aimed to layout investigation and realization of special custom-design absorption cell for 532 nm wavelength region. The technology of absorption cell body welding included novel approach of optical windows AR coating protection based on auxilliary gaseous cooler using and also introducing of improved system of molecular sieves for absorption media purity ensuring.
SMV-2013-21: Concept and pilot practical evaluation of system for rifle-barrels straightness measurement
Lazar, Josef ; Holá, Miroslava ; Šarbort, Martin ; Řeřucha, Jan
The research was oriented towards investigation of suitable optical non-contact methods for small-gauge rifle-barrels straightness evaluation. The work included theoretical and practical study of possible measurement techniques, measured results evaluation, including an estimation of measurement uncertainties. The work finished in practical realization and verification of experimental setup for 5,56 mm gauge rifle-barrel straightness measurement.
SMV-2013-14: Design and realization of optical setup for laser spectroscopy of dissociated molecular iodine vapors
Lazar, Josef ; Hrabina, Jan
The work was oriented towards desing and realization of optical setup for investigation of dissociated molecules of ultra-pure iodine 127I2 throught laser spectroscopy methods. The absorption cell was equipped with special-design thermostatic box with possibility of precise control of thermal dissociation of absorption media atoms and molecules.
SMV-2013-13: Investigaiton of optical frequencies reference for laser standard of metrology laboratory
Lazar, Josef ; Hrabina, Jan
The research was oriented towards design, technology investigation and realization of suitable optical absorber with ultra-narrow spectral transitions in 532 nm wavelength spectral region.
SMV-2012-04: Investigation of optical frequency refences for lasers stabilization in visible spectral range
Lazar, Josef ; Hrabina, Jan
The main aim of this work was oriented towards design and realization of optical frequency references for stabilization of frequency-doubled Nd:YAG lasers with 532 nm wavelength. Research included investigation of absorption references (cells filled with absorption media) technology. The realized cells will serve as references for precise frequency stabilization of laser sources intended for primary metrology of length. Evaluation measurement of realized cells performed by laser induced fluorescence method resulted in reached Stern-Volmer coefficients K0<1 Pa which means the most avaiable purity of absorption media with expected frequency offset of realized laser standard below 1 kHz. Expected reachable relative frequency stability is at level of 3e-14 for integration time of 100 s.
SMV-2013-05: Research of methods for ultra-precise dimensional and angle deviations measurement
Lazar, Josef ; Šarbort, Martin ; Holá, Miroslava ; Hrabina, Jan ; Řeřucha, Jan ; Jedlička, Petr
The work was aimed to research of suitable optical non-contacting measurement methods for angle deviations investigation and controlling with special interest of ultra-high resolution and accurancy. The theoretical part of work included detailed analysis of all of potential methods, financial demands evaluation, reachable accurancy and resolution verification. The work also included mathematical modelling of optical beam positioning uncertainty and practical design of optical setup with optical beams profiles evaluation.
SMV-2013-04: System for measuring angles on ELI manipulator
Jedlička, Petr ; Lazar, Josef ; Řeřucha, Jan ; Šarbort, Martin
The system measures the angle of rotation of the mirror with a precision of a few tenths of micro radians. The measurement uses the change in position of the reflected laser beam, which is sensed by CCD chip.

National Repository of Grey Literature : 136 records found   beginprevious96 - 105nextend  jump to record:
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