Zobrazeno 1 - 10
of 26
pro vyhledávání: '"F. Rickermann"'
Publikováno v:
Applied Physics B: Lasers and Optics. 68:1069-1072
A holographic double-exposure interferometer for quasi real-time analysis is realized, utilizing a photorefractive BTO:Cd crystal for hologram recording. Heating of the crystal reduces the time required to reach the steady-state working situation. Li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::639366dc48342b265b5420cbd35acc5a
https://doi.org/10.1007/s003400050748
https://doi.org/10.1007/s003400050748
Publikováno v:
Optics Communications. 155:91-98
A holographic double-exposure interferometer for deformation and vibration analysis of diffusely reflecting objects in quasi real-time is presented. Writing of holographic gratings with 3 ns laser pulses in photorefractive sillenite-type crystals ena
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40dad4505139883e1954f4c44feddca2
https://doi.org/10.1016/s0030-4018(98)00357-5
https://doi.org/10.1016/s0030-4018(98)00357-5
Publikováno v:
Optics Communications. 144:173-179
A Mach-Zehnder interferometer for two-dimensional refractive index topography is presented which utilizes the temporal heterodyne technique. High scanning rates and excellent phase resolutions are obtained using an image dissector camera and a lock-i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46e0b7bce28aeed390d9cb1e90e284b5
https://doi.org/10.1016/s0030-4018(97)00398-2
https://doi.org/10.1016/s0030-4018(97)00398-2
Publikováno v:
Journal of Nonlinear Optical Physics & Materials. :235-249
Single crystals of Bi12TiO20 (BTO) are grown by a modified Czochralski technique. Doping with cadmium, calcium, gallium, and vanadium is performed by adding corresponding oxides to the melt. Optical parameters like refractive index, optical absorptio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0fe0226d00358f341ad196e26422604d
https://doi.org/10.1142/s0218863597000198
https://doi.org/10.1142/s0218863597000198
Publikováno v:
Physica Status Solidi (a). 157:199-204
The recording of holographic gratings by 3 ns pulses of a 1.06 μm Nd3+ : YAG laser in tin hypothio-diphosphate Sn2P2S6 samples is reported. It is shown that the grating develops after irradiation during approximately 0.2 ms and then decays within a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f34f841f2b67bb213c389eec3cf6cf2
https://doi.org/10.1002/pssa.2211570125
https://doi.org/10.1002/pssa.2211570125
Publikováno v:
Physica Status Solidi (a). 153:547-551
Reconstruction of elementary holograms recorded in photorefractive BTVO (Bi 12 Ti 0.76 V 0.24 O 20 ) crystals is investigated. A non-exponential decay behavior presumably caused by superposition of at least two gratings with different time constants
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d8a9b6ca41ffa19059b739f5b822de2
https://doi.org/10.1002/pssa.2211530230
https://doi.org/10.1002/pssa.2211530230
Publikováno v:
Physica Status Solidi (a). 150:763-772
Photorefractive planar waveguides in LiNbO 3 are fabricated by a combined proton and copper exchange. The dependence of refractive index profiles, optical absorption, and electrooptic coefficients on different fabrication steps is investigated. With
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed0562c18fb64fd1e910f044e6a2728f
https://doi.org/10.1002/pssa.2211500220
https://doi.org/10.1002/pssa.2211500220
Publikováno v:
Optics letters. 23(1)
Holographic gratings were thermally fixed in iron-doped photorefractive LiNbO(3) crystals and developed with frequency-doubled Q -switched pulses of a Nd:YAG laser (light wavelength, 532 nm; pulse duration, 3 ns). The saturation values of the diffrac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bea28025d103f8aa9528c09d2e460c60
https://pubmed.ncbi.nlm.nih.gov/18084416
https://pubmed.ncbi.nlm.nih.gov/18084416
Publikováno v:
Optics and Lasers in Biomedicine and Culture ISBN: 9783642630736
A holographic double-exposure interferometer for deformation and vibration analysis of biomedical objects is presented. Utilizing two ns pulse-lasers and a photorefractive sillenite-type crystal to store the holograms, double-exposure interferograms
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d034754a6dd11bc8c8e00e4cf8aca93f
https://doi.org/10.1007/978-3-642-56965-4_61
https://doi.org/10.1007/978-3-642-56965-4_61
Publikováno v:
Journal of the Optical Society of America B. 13:2299
An enhancement of the diffraction efficiency of holographic gratings in Bi12Ti0.76V0.24O20 crystals by a factor of almost 40 is obtained after recording by application of an external dc electric field and illumination with a spatially homogeneous lig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdb2a8aeb534963fd0238e0651a62b0e
https://doi.org/10.1364/josab.13.002299
https://doi.org/10.1364/josab.13.002299