Featured Research

Patents and Utility Models

J. Václavík and J. Pleštil
Anamorphic optical system with reflective slit for hyperspectral imaging in the long-wave infrared region (No. 34881, 2020)

P. Mokrý, J. Václavík, P. Psota, and J. Nečásek
Mechanism for fixation and positioning of optical components (No. 32598, 2018)

P. Psota, M. Peca, V. Lédl, R. Burianec, and L. Čelechovská
Interferometric device for measuring shape deviations of optical elements (No. 306463, 2017)

P. Kalous, Z. Melich, V. Lédl, and P. Pintr
Optical element (No. 306085, 2016)

H. Yang, R. Melich, J. Liu, Z. Cheng, S. Yin, S. Liu, and H. Wang
Operating button (No. WO/2015/027490, 2015)

J. Halama, J. Varak, V. Lédl, and R. Melich
KONTROLLLEUCHTE (No. WO/2014/079481, 2014)

R. Melich, Z. Beran, and P. Kousalík
Device for monitoring the quality of moving linear textile material at a workstation of a textile machine (No. 303975, 2013)

Peer-reviewed Articles

P. Veselá, J. Junek, R. Doleček
Simplifying tailored generation of complex structured femtosecond pulses with easily fabricated phase plates, Optics Express, vol. 32, no. 14, pp. 24756–24767, 2024
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A. V. Milanfar, T. Taheri, Z. Wang, S. G. Nielsen, A. S. Kristoffersen, K. Žídek, J. Junek
Differential coded aperture single-snapshot spectral imaging, Optics Letters, vol. 49, no. 10, pp. 2600–2603, May 2024
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J. Junek, R. Doleček, P. Žídek, K. Žídek
Calibration of the pixel crosstalk in spatial light modulators for 4f pulse shaping, Optics Express, vol. 32, no. 3, pp. 3774–3784, Feb. 2024
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M. Stašík, J. Kredba, J. Nečásek, V. Lédl, U. Fuchs, P. Psota
Aspheric surface measurement by absolute wavelength scanning interferometry with model-based retrace error correction, Optics Express, vol. 31, no. 8, pp. 12449–12462, Apr. 2023
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P. Psota, J. Kredba, M. Stašík, J. Nečásek, O. Matoušek, V. Lédl
Absolute wavelength scanning interferometry for measuring the thickness of optical elements, Optics Express, vol. 31, no. 3, pp. 3565–3578, Jan. 2023
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J. Lukeš, V. Kanclíř, J. Václavík, R. Melich, U. Fuchs, K. Žídek
Optically modified second harmonic generation in silicon oxynitride thin films via local layer heating, Scientific Reports, vol. 13, Article 35593, 2023
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M. Guesmi, V. Kanclíř, T. Thoř, K. Žídek
Study of defects in fused silica via a Franck-Condon analysis, Journal of Luminescence, vol. 257, p. 119668, May 2023
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L. Klein, A. S. Kristoffersen, J. Touš, K. Žídek
Versatile compressive microscope for hyperspectral transmission and fluorescence lifetime imaging, Optics Express, vol. 30, no. 9, pp. 15708–15720, 2022
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T. Thoř, A. Procházková, F. Procháska, R. Doleček, M. Špína, J. Václavík, T. Sedlmaier, M. Mulser
Development of an ultraprecision metal mirror on additively manufactured Ti‑6Al‑4V, Applied Optics, vol. 60, no. 31, pp. 9919–9924, Nov. 2021
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S. Gutiérrez Álvarez, W. Lin, M. Abdellah, J. Meng, K. Žídek, T. Pullerits, K. Zheng
Charge Carrier Diffusion Dynamics in Multisized Quaternary Alkylammonium-Capped CsPbBr₃ Perovskite Nanocrystal Solids, ACS Applied Materials & Interfaces, vol. 13, no. 37, pp. 44742–44750, Sept. 2021
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P. Psota, M. Stašík, J. Kredba, V. Lédl, J. Nečásek
Measurement of radius of curvature directly in the interferometer confocal position, Applied Optics, vol. 60, no. 15, pp. 4485–4490, May 2021
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J. Junek, K. Žídek
Fluorescence lifetime imaging via spatio-temporal speckle patterns in a single-pixel camera configuration, Optics Express, vol. 29, no. 4, pp. 5538–5551, Feb. 2021
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J. Kredba, P. Psota, M. Stašík, V. Lédl, L. Veselý, J. Nečásek
Absolute interferometry for fast and precise radius measurement, Optics Express, vol. 29, no. 8, pp. 12531–12542, Apr. 2021
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T. Thoř, K. Rubešová, V. Jakeš, D. Mikolášová, J. Cajzl, J. Havlíček, L. Nádherný, F. Průša, R. Kučerková, M. Nikl
Dense ceramics of lanthanide-doped Lu₂O₃ prepared by spark plasma sintering, Journal of the European Ceramic Society, vol. 41, no. 1, pp. 741–751, Jan. 2021
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P. Psota, H. Tang, K. Pooladvand, C. Furlong, J. J. Rosowski, J. T. Cheng, V. Lédl
Multiple angle digital holography for the shape measurement of the unpainted tympanic membrane, Optics Express, vol. 28, no. 17, pp. 24614–24625, Aug. 2020
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Key Projects of Contract and Collaborative Research

ELCOM, a.s. – Division of Virtual Instrumentation
Development and implementation of a system for measuring absolute luminance of automotive headlights – including the development of the optical system, diffusion characteristics, and mathematical methods to determine correct gradient values of the boundary between illuminated and non-illuminated parts of the field of view.

Rieter CZ s.r.o.
Study of yarn sensing approaches, design improvements for optical systems, measurement and optimization of configurations.

ESA ESTEC (Netherlands)
Analysis and realization of complex optical elements of the METIS telescope instrument for the Solar Orbiter mission.

Centre Spatial de Liège (Belgium)
Design, analysis, and implementation of an optical telescope system and relay optics for the ASPIICS coronagraph on the PROBA III mission.

OHB Italia S.p.A (Italy)
Analysis and realization of special non-circular aspheric elements forming the “Fly-eye” structure for the NEOSTEL telescope; design, analysis, and implementation of alignment equipment using laser beams with precisely defined angles; design, analysis, and implementation of a diffraction-limited autocollimating telescope with a large aperture for final alignment of the NEOSTEL telescope.

Rigaku Innovative Technologies Europe s.r.o.
Design and verification of methodology for processing X-ray mandrels to achieve sub-nanometer surface roughness.

FEI Czech Republic s.r.o.
Design and implementation of a special light guide to achieve maximum efficiency.

TESCAN Brno, s.r.o.
Development and production of optical parts of interferometers for precise stage positioning in electron microscopes (mirrors, ultra-precise angular standards).

CRYTUR, spol. s r.o.
Development and validation of processing technologies for PbWO₄ crystals characterized by extreme brittleness; development of highly durable ITO coatings; analysis and simulation of light transmission through metallic apertures.

Paul Scherrer Institute (Switzerland)
Re-optimization and tolerance analysis of a sixteen-element objective for neutron imaging.

Varroc Lighting Systems, s.r.o.
Development of machining of faceted surfaces with controlled diffusivity; development of prototype lighting systems.

PRECIOSA a.s.
Development and testing of deposition methods for magnetic materials; development and validation of measurement methods.

Huvitz Co., Ltd. (South Korea)
Development of a device for calibration of eye tonometers.

Micos Engineering GmbH (Switzerland)
Design, development, and implementation of a telescope for simulating the detection of so-called “space debris.”

AIR Products s.r.o.
Design and development of a system for visualizing the welding process.

TOS Varnsdorf, a.s.
Development of a measuring device for spindle sag measurement in machine tools.

ELTODO a.s.
Development, testing, and measurement of prototype optical elements for traffic signage.