Ablation of (111) and (001) Crystal Plates by Ultrashort Laser Pulses with Rotated Linear Polarization

Krasin, George; Kovalev, M. S.; Данилов, П. А.; Stsepuro, Nikita; Oleynichuk, E. A.; A., None Bibicheva S.; Мартовицкий, В. П.; Kudryashov, S. I.

doi:10.1134/s0021364021150054

Cited by 4 publications

(1 citation statement)

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“…There are works [14][15][16], which study the dependence of the damage threshold of the material surface on the state of polarization. In the works [17][18][19], the influence of the polarization state on the photoexcitation of crystalline materials: sapphire, silicon, and diamond with different orientations was studied. As bulk effects, the influence of different polarization states on the filamentation process (in air [20,21] and dielectrics [22,23]) was studied.…”

Section: Introductionmentioning

confidence: 99%

Polarization-dependent filamentation of femtosecond laser pulses in synthetic diamond

Krasin

Stsepuro

Martovitsky

et al. 2022

Optics and Spectroscopy

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The filamentation process inside of the bulk of type IIa synthetic diamond with known crystallographic orientation has been studied as a function of the polarization state of the ultrashort laser pulses with a duration of 300 fs and a wavelength of 515 nm. The transmittance of the sample was measured using a photodiode, while the micro-image of the filament was recorded on the CMOS camera perpendicular to the propagation axis of the exciting laser radiation. The dependences of the transmittance and length of the filament on the polarization azimuth show a distinct modulation over the entire range of its change. Keywords: ultrashort laser pulses, synthetic diamond, photoluminescence, laser polarization, nonlinear absorption, wide-bandgap dielectrics.

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