Search Results - "Okhrimchuk, Andrey G"

Helical Bragg Gratings: Experimental Verification of Light Orbital Angular Momentum Conversion by Okhrimchuk, Andrey G., Likhov, Vladislav V., Vasiliev, Sergei A., Pryamikov, Andrey D.

“…Structured light, in particular light possessing orbital angular momentum (OAM), has been actively studied in recent decades. Helical Bragg grating (HBG) is a…”
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Direct Laser Writing of LaBGeO5 Crystal-in-Glass Waveguide Enabling Frequency Conversion by Lipatiev, Alexey S, Lipateva, Tatiana O, Lotarev, Sergey V, Okhrimchuk, Andrey G, Larkin, Alexey S, Presnyakov, Mikhail Yu, Sigaev, Vladimir N

“…We report on a technique of femtosecond laser-induced crystallization of glass, allowing improvement in the homogeneity of continuous crystalline tracks formed…”
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11-GHz waveguide Nd:YAG laser CW mode-locked with single-layer graphene by Okhrimchuk, Andrey G., Obraztsov, Petr A.

“…We report stable, passive, continuous-wave (CW) mode-locking of a compact diode-pumped waveguide Nd:YAG laser with a single-layer graphene saturable absorber…”
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Collective phenomena in Dy-doped silver halides in the near- and mid-IR by Okhrimchuk, Andrey G., Pryamikov, Andrey D., Boldyrev, Kirill N., Butvina, Leonid N., Sorokin, Evgeni

“…The kinetics of the electronic transitions within the f -shell of Dy 3+ ions were studied with monitoring near- and mid-IR luminescence decay under pulsed…”
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Robust and adhesive-free joint of Nd:YAG crystals by femtosecond laser-assisted welding by Lipateva, Tatiana O., Okhrimchuk, Andrey G., Lipatiev, Alexey S., Karateev, Igor A., Fedotov, Sergey S., Lotarev, Sergey V., Shestakov, Alexander V., Sigaev, Vladimir N.

“…The strong, adhesive-free and heat resistant joint between two Nd:YAG crystals due to nanoperiodic amorphous nanoplanes is demonstrated by using the…”
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Femtosecond laser-assisted wet etching of Nd:Y AG crystals for photonics waveguide fabrication by Lipateva, Tatiana O., Okhrimchuk, Andrey G., Lipatiev, Alexey S., Lotarev, Sergey V., Sigaev, Vladimir N.

“…We report the effect of the pulse energy and laser beam scanning speed variation on control and intensification of the femtosecond laser-assisted wet etching…”
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Direct laser writing in YAG single crystal: Evolution from amorphization to nanograting formation and phase transformation by Lipateva, Tatiana O., Lipatiev, Alexey S., Karateev, Igor V., Okhrimchuk, Andrey G., Fedotov, Sergey S., Lotarev, Sergey V., Alagashev, Grigory K., Sigaev, Vladimir N.

“…Femtosecond laser writing is a versatile and effective technique for high-precision 3D micromachining of crystals for applications in photonics. Here, we…”
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Direct Laser Writing of LaBGeO 5 Crystal-in-Glass Waveguide Enabling Frequency Conversion by Lipatiev, Alexey S., Lipateva, Tatiana O., Lotarev, Sergey V., Okhrimchuk, Andrey G., Larkin, Alexey S., Presnyakov, Mikhail Yu, Sigaev, Vladimir N.

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Singlemode crystalline fibers for the middle infrared by Butvina, L.N., Sereda, O.V., Okhrimchuk, A.G., Butvina, A.L., Dianov, E.M., Lichkova, N.V., Zagorodnev, V.N.

“…Microstructured and step-index fibers from silver halides singlemode at 10.6 mum and 5.5 mum are demonstrated. Experimental and theoretical evidences are…”
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