Mr. Adam Říha Profile

Adam Říha

Teacher at Czech Technical Univ in Prague

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 9 June 2023 Paper

Laser-diode-pumped Cr:ZnSe CW laser tunable in mid-IR range of 2.05-2.65μm

Adam Říha, Helena Jelínková, Maxim Doroshenko, Michal Němec, Jan Šulc, Miroslav Čech, Valery Badikov

Proceedings Volume 12577, 125770E (2023) https://doi.org/10.1117/12.2665334

KEYWORDS: Crystals, Continuous wave operation, Semiconductor lasers, Chromium, Mid-IR, Fluorescence, Pulsed laser operation, Laser applications, Laser systems engineering, Ions

Read Abstract +

Proceedings Article | 8 March 2023 Poster + Paper

The influence of Cr2+ to Fe2+ ions concentration ratio on the Cr,Fe:Zn1-xMnxSe (x≈0.15) laser properties excited via Cr2+ → Fe2+ energy transfer

Adam Říha, Helena Jelínková, Maxim Doroshenko, Michal Němec, Jan Šulc, David Vyhlídal, Nazar Kovalenko

Proceedings Volume 12399, 123990Q (2023) https://doi.org/10.1117/12.2648406

KEYWORDS: Iron, Chromium, Ions, Fluorescence, Crystals, Pulsed laser operation, Absorption, Laser radiation, Mid-IR

Read Abstract +

Proceedings Article | 13 December 2022 Paper

Mid-infrared diode pumped Cr: ZnSe laser continuously tunable from 2.1 μm up to 2.7 μm operated at room temperature

Adam Říha, Helena Jelínková, Maxim Doroshenko, Jan Šulc, Karel Veselský, Michal Němec, Miroslav Čech, V. Badikov

Proceedings Volume 12502, 1250202 (2022) https://doi.org/10.1117/12.2659160

KEYWORDS: Crystals, Laser crystals, Luminescence, Absorption, Pulsed laser operation, Tunable lasers, Chromium, Ions, Laser systems engineering

Read Abstract +

Proceedings Article | 4 March 2022 Poster + Presentation + Paper

Mid-infrared laser generation at 4.7–5.1 μm of the Cr,Fe:Zn1-xMgxSe (x ≈ 0.4) single crystal under various excitation wavelengths

Adam Říha, Helena Jelínková, Maxim Doroshenko, Michal Jelínek, Michal Němec, Miroslav Čech, David Vyhlídal, Nazar Kovalenko

Proceedings Volume 11980, 119800P (2022) https://doi.org/10.1117/12.2624405

KEYWORDS: Crystals, Iron, Ions, Er:YAG lasers, Absorption, Luminescence, Q switched lasers, Mid-IR, Laser crystals, Pulsed laser operation

Read Abstract +

Proceedings Article | 18 April 2021 Poster + Presentation + Paper

Comparison of gain-switched operated Cr2+ and Fe2+ ions co-doped Zn(1-x)Mn(x)Se and Zn(1-x)Mg(x)Se (x ≈ 0.3) lasers in mid-IR under different excitation wavelengths

Adam Říha, Helena Jelínková, Maxim Doroshenko, Michal Jelínek, Jan Šulc, Michal Němec, David Vyhlídal, Nazar Kovalenko, Igor Terzin

Proceedings Volume 11777, 117770W (2021) https://doi.org/10.1117/12.2589224

Read Abstract +

Proceedings Article | 5 March 2021 Poster + Presentation + Paper

Low temperature gain-switched operation of non-cubic Cr2+, Fe2+:Zn1-xMgxSe (x ≈ 0.2 and x ≈ 0.3) single crystals in mid-infrared under different excitation wavelengths

Adam Říha, Helena Jelínková, Maxim Doroshenko, Jan Šulc, Michal Jelínek, Miroslav Čech, David Vyhlídal, Nazar Kovalenko

Proceedings Volume 11664, 1166410 (2021) https://doi.org/10.1117/12.2575879

KEYWORDS: Ions, Mid-IR, Crystals, Luminescence, Temperature metrology, Q switching, Q switched lasers, Optical pumping, Mirrors

Read Abstract +

Proceedings Article | 21 February 2020 Paper

Fe:ZnMnTe laser generating around 5 um at 78 K

Helena Jelínková, Maxim Doroshenko, Michal Jelínek, Jan Šulc, David Vyhlídal, Adam Říha, Nazar Kovalenko, Igor Terzin

Proceedings Volume 11259, 1125923 (2020) https://doi.org/10.1117/12.2544753

KEYWORDS: Iron, Zinc, Crystals, Luminescence, Laser crystals, Spectroscopy, Er:YAG lasers, Ions, Manganese, Laser spectroscopy

Read Abstract +

Proceedings Article | 21 February 2020 Paper

Tunable Cr2+,Fe2+:Zn1-xMnxSe (x = 0.05) and (x = 0.3) lasers around 4.4 µm at 78 K pumped by a 1.94 µm Tm:fiber laser via Cr2+ → Fe2+ energy transfer

Adam Říha, Maxim Doroshenko, Helena Jelínková, Michal Jelínek, Michal Němec, Václav Kubeček, Miroslav Čech, Nazar Kovalenko, Igor Terzin

Proceedings Volume 11259, 1125919 (2020) https://doi.org/10.1117/12.2542819

KEYWORDS: Iron, Chromium, Crystals, Ions, Zinc, Laser crystals, Pulsed laser operation, Energy transfer, Continuous wave operation, Optical pumping

Read Abstract +

Proceedings Article | 19 February 2020 Presentation + Paper

Diode activated home bleaching techniques with stereolithographic models and trays

Tatjana Dostalova, Helena Jelinkova, Jan Kratochvil, Adam Riha, Jan Sulc, Michal Nemec, Adam Nocar, Pavel Bradna, Jiri Pecenka

Proceedings Volume 11217, 1121704 (2020) https://doi.org/10.1117/12.2543704

KEYWORDS: Teeth, Semiconductor lasers, Diodes, Temperature metrology, Infrared lasers, 3D modeling, Laser dentistry, Scanning electron microscopy, Hydrogen, Electron microscopes

Read Abstract +

Proceedings Article | 26 April 2019 Paper

Temperature dependence of Cr:ZnSe active medium spectral and laser properties

Adam Říha, Helena Jelínková, Michal Němec, Miroslav Čech, David Vyhlídal, Maxim Doroshenko, Valerii Badikov

Proceedings Volume 11033, 110330Y (2019) https://doi.org/10.1117/12.2520722

KEYWORDS: Absorption, Luminescence, Crystals, Temperature metrology, Laser crystals, Mirrors, Mid-IR, Chromium, Ions

Read Abstract +

Proceedings Article | 7 March 2019 Paper

Fe:CdMnTe laser generating 5.4 - 6 um radiation

H. Jelínková, M. Doroshenko, M. Jelínek, J. Šulc, D. Vyhlídal, A. Říha, N. Kovalenko, A. Gerasimenko

Proceedings Volume 10896, 108961V (2019) https://doi.org/10.1117/12.2509387

KEYWORDS: Iron, Manganese, Cadmium, Crystals, Luminescence, Mirrors, Output couplers, Reflectivity, Laser crystals

Read Abstract +

Proceedings Article | 1 December 2017 Paper

Diode-pumped Cr-doped ZnMnSe and ZnMgSe lasers

A. Říha, M. Němec, H. Jelínková, M. Čech, D. Vyhlídal, M. Doroshenko, V. Komar, A. Gerasimenko

Proceedings Volume 10603, 1060312 (2017) https://doi.org/10.1117/12.2292196

KEYWORDS: Crystals, Laser systems engineering, Luminescence, Absorption, Semiconductor lasers, Chromium, Ions, Mid-IR, Tunable lasers, Laser crystals

Read Abstract +

Showing 5 of 12 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years