Prof. Vasile K. Rotaru Profile

Prof. Vasile K. Rotaru

Research Scientist at CREOL The College of Optics and Photonics

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Publications (14)

Proceedings Article | 21 November 2017 Open Access

New features of recording equipment based on photothermoplastic medium for earth observation from space

V. Rotaru

Proceedings Volume 10569, 105691V (2017) https://doi.org/10.1117/12.2307914

KEYWORDS: Image processing, Photography, Cameras, Semiconductors, Electrodes, Visualization, Image registration, Objectives, Physics, Optical semiconductors

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Proceedings Article | 16 February 2012 Paper

Multiplexed volume Bragg gratings for spectral beam combining of high power fiber lasers

Ivan Divliansky, Daniel Ott, Brian Anderson, Derrek Drachenberg, Vasile Rotar, George Venus, Leonid Glebov

Proceedings Volume 8237, 823705 (2012) https://doi.org/10.1117/12.909519

KEYWORDS: Glasses, Fiber Bragg gratings, Optical components, Multiplexing, Fiber lasers, Diffraction, Diffraction gratings, Reflectivity, Silver, High power fiber lasers

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Proceedings Article | 7 February 2012 Paper

Longitudinal mode selection in laser cavity by moiré volume Bragg grating

Daniel Ott, Vasile Rotar, Julien Lumeau, Sergiy Mokhov, Ivan Divliansky, Aleksandr Ryasnyanskiy, Nikolai Vorobiev, Vadim Smirnov, Christine Spiegelberg, Leonid Glebov

Proceedings Volume 8236, 823621 (2012) https://doi.org/10.1117/12.909465

KEYWORDS: Fiber Bragg gratings, Laser resonators, Fabry–Perot interferometers, Optical filters, Modulation, Phase shifts, Glasses, Refractive index, Diffraction gratings, Continuous wavelet transforms

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Proceedings Article | 6 December 2006 Paper

Generation of focused electron beam and x-rays by pyroelectric and photogalvanic crystals

N. Kukhtarev, T. Kukhtareva, M. Bayssie, J. Wang, J. Brownridge, V. Rotaru

Proceedings Volume 6023, 60230G (2006) https://doi.org/10.1117/12.648199

KEYWORDS: Crystals, Laser crystals, Electron beams, X-rays, Zinc, X-ray imaging, Temperature metrology, Dielectric polarization, Polarization, Metals

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Proceedings Article | 12 May 2006 Paper

Volume Bragg semiconductor lasers with near diffraction limited divergence

George Venus, Leonid Glebov, Vasile Rotar, Vadim Smirnov, Paul Crump, Jason Farmer

Proceedings Volume 6216, 621602 (2006) https://doi.org/10.1117/12.666193

KEYWORDS: Fiber Bragg gratings, Semiconductor lasers, Resonators, Diffraction, Diffraction gratings, Diodes, Mirrors, Optical design, Laser resonators, Optical components

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Proceedings Article | 12 May 2006 Paper

Large aperture diffractive elements in PTR glass

M. Demenikov, J. Lumeau, V. Rotar, A. Sevian, V. Smirnov, L. Glebov

Proceedings Volume 6216, 62160Y (2006) https://doi.org/10.1117/12.666616

KEYWORDS: Glasses, Holograms, Fiber Bragg gratings, Absorption, Refractive index, Diffraction, Helium cadmium lasers, Argon ion lasers, Beam splitters, Mirrors

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Proceedings Article | 21 September 2005 Paper

Optical channeling for radial holographic grating recording in chalcogenide glassy semiconductors films and photo-thermo-plastic films

N. Kukhtarev, T. Kukhtareva, S. Bairavarasu, V. Edwards, J. Wang, V. Rotaru, P. Buchhave

Proceedings Volume 5912, 591209 (2005) https://doi.org/10.1117/12.614173

KEYWORDS: Near field optics, Channel projecting optics, Semiconductors, Charged particle optics, Crystals, Chalcogenides, Diffraction gratings, Holography, Selenium, Arsenic

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Proceedings Article | 20 January 2005 Paper

Photothermoplastic-based airborne camera for remote sensing applications

Vasile Rotaru, Ion Andriesh, Igor Dementiev, Oleg Korshak, Sevastyan Neamtu, Stephan Robu, Hossin Abdeldayem, Nickolai Kukhtarev, Igor Ciapurin

Proceedings Volume 5656, (2005) https://doi.org/10.1117/12.584935

KEYWORDS: Arsenic, Wave propagation, Remote sensing, Spectral resolution, Cameras, Image quality, Selenium, Semiconductors, Resistance, Data communications

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Proceedings Article | 1 September 2004 Paper

Photothermoplastic films as recorders in observation systems of zonal structures

Vasile Rotaru, Igor Dementiev, Oleg Korshak, Sevastian Neamtsu, Stephan Robu, Hossin Abdeldayem, Igor Ciapurin, Nickolai Kukhtarev

Proceedings Volume 5418, (2004) https://doi.org/10.1117/12.543759

KEYWORDS: Arsenic, Selenium, Semiconductors, Photography, Resistance, Image quality, Chalcogenide glass, Digital recording, Spectral resolution, Thin films

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Proceedings Article | 20 November 2002 Paper

Optical channeling and diffraction in photorefractive crystals and chalcogenide films

Nickolai Kukhtarev, Tatiana Kukhtareva, Vernessa Edwards, Sergey Sarkisov, Michael Curley, Ja Ching Wang, Vasile Rotaru, Oleg Korshack, Galina Dragalina, Stephan Robu

Proceedings Volume 4803, (2002) https://doi.org/10.1117/12.452625

KEYWORDS: Diffraction gratings, Diffraction, Crystals, Channel projecting optics, Chalcogenides, Holography, Reflection, Semiconductors, Laser crystals, Planar waveguides

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Proceedings Article | 1 August 2002 Paper

Development of holographic optical elements based on LiNbO3 photorefractive crystals and As-S-Se chalcogenide films

Nickolai Kukhtarev, Tatiana Kukhtareva, Vernessa Edwards, JaChing Wang, Vasile Rotaru, Oleg Korshak, Igor Ciapurin

Proceedings Volume 4732, (2002) https://doi.org/10.1117/12.477432

KEYWORDS: Crystals, Diffraction gratings, Diffraction, Holography, Chalcogenides, Refractive index, Semiconductors, Radon, Selenium, Holographic optical elements

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Proceedings Article | 1 August 2002 Paper

Photothermoplastic-based recording equipment: new features of airborne and satellite imaging

Vasile Rotaru, Igor Ciapurin, Oleg Korshak

Proceedings Volume 4732, (2002) https://doi.org/10.1117/12.477430

KEYWORDS: Electrodes, Photography, Semiconductors, Spectral resolution, Image processing, Cameras, Satellite imaging, Holography, Visualization, Remote sensing

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Proceedings Article | 23 January 2002 Paper

Two-layer structure for high spatial frequency optical data recording based on multinary chalcogenide semiconductors

Vasile Rotaru, Stephan Robu, Igor Ciapurin, Galina Dragalina, Oleg Korshak, I. Aboudih, Christophe Lafond, Roger Lessard

Proceedings Volume 4459, (2002) https://doi.org/10.1117/12.454031

KEYWORDS: Holograms, Semiconductors, Digital recording, Spatial frequencies, Chalcogenides, Holography, Photonic integrated circuits, Polymers, Image enhancement, Thermography

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Proceedings Article | 19 December 2001 Paper

Reliefographical structures based on doped chalcogenide semiconductors for optical data storage in wide spectral region including x-ray

Vasile Rotaru, Igor Ciapurin, Oleg Korshack

Proceedings Volume 4508, (2001) https://doi.org/10.1117/12.450785

KEYWORDS: Semiconductors, X-rays, Chalcogenides, Spatial frequencies, Optical semiconductors, Optical storage, Electrodes, X-ray imaging, Photography, Holography

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Showing 5 of 14 publications

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