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Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.003159
Abstract: Higher spatial resolution indicates sharper recognition ability in applications. To improve the spatial resolution of volume Bragg grating spectral imagers, quantitative wave vector theory is used to elucidate the formation mechanism of diffraction blur, and…
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Keywords:
resolution;
resolution volume;
volume bragg;
two dimensional ... See more keywords
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Published in 2020 at "Optics express"
DOI: 10.1364/oe.384499
Abstract: A pulsed, single longitudinal mode, wavelength-tunable Tm:YAP laser is reported. We demonstrate 1 kHz stable operation with 230 µJ, 50 ns pulses and a spectrum linewidth narrowed below 4 pm (FWHM) close to the Fourier…
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Keywords:
volume bragg;
yap laser;
longitudinal mode;
single longitudinal ... See more keywords
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Published in 2017 at "Optical Materials Express"
DOI: 10.1364/ome.7.002280
Abstract: In the present research, a new class of bromine-containing photo-thermo-refractive (PTR) glass in which the UV irradiation and subsequent heat treatment cause the precipitation of silver nanoparticles with a shell consisting of silver bromides is…
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Keywords:
thermo refractive;
photo thermo;
volume bragg;
waveguide structure ... See more keywords
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Published in 2019 at "Chinese Optics Letters"
DOI: 10.3788/col201917.040501
Abstract: The two-dimensional angular filter based on volume Bragg gratings in photothermorefractive glass for a nanosecond (ns) laser pulse is demonstrated. The experimental results show that the near-field beam quality of the laser pulse was effectively…
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Keywords:
volume bragg;
nanosecond laser;
photothermorefractive glass;
laser ... See more keywords