Gamma-ray-induced color in Ca<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>at room temperature: Coloring kinetics and thermal annealing

Ausin, V; Rivas, J L Alvarez

doi:10.1103/physrevb.9.775

Cited by 12 publications

(2 citation statements)

References 12 publications

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“…It can be realized by γ -irradiation [10,11], by electrolytic coloration [12], or by additive coloring (i.e., by heating the crystals in a reducing atmosphere of metal-cation vapor) [12][13][14].…”

Section: Formation Of Color Centersmentioning

confidence: 99%

Photothermal Conversion of Color Centers in $$\hbox {CaF}_{2}$$ CaF 2 Crystals: A Process Underlying the Use of Crystals as a Holographic Medium

2015

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Photothermal effects in a holographic medium of calcium fluoride crystals with color centers (CaF 2 ) are discussed. It is shown that photochromism of this crystal makes it possible to record volume holograms within its volume and to change their physical properties by photothermal treatments. The diffusion-drift mechanism of a hologram recording in CaF 2 includes the conversion of centers and their redistribution over the crystal bulk. Depending on the readout wavelength, it is possible to read out amplitude, amplitude phase, or phase holograms. The opportunity to record thick holograms in CaF 2 and their high resistance with respect to non-coherent illumination at an elevated temperature allows forming narrow-band angular and spectral holographic filters in CaF 2 .

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Section: Formation Of Color Centersmentioning

confidence: 99%

Photothermal Conversion of Color Centers in $$\hbox {CaF}_{2}$$ CaF 2 Crystals: A Process Underlying the Use of Crystals as a Holographic Medium

2015

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“…While extensive work has been done on the effects of high doses of radiation on various crystals, e.g. [22,[26][27][28][29][30][31]. This work is a methodical investigation of low doses aimed specifically at identifying potential discrimination between NRs and ERs in RIL formation.…”

Section: Experimental Approachmentioning

confidence: 99%

Wide band spectroscopic response of monocrystallines to low dose neutron and gamma radiation

Mosbacher,

Weiss,

Landsman

et al. 2019

Preprint

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We identify a number of crystalline structures with promising characteristics to serve as a detection medium for a novel Dark Matter (DM) detector with a low threshold energy. A detector of this kind can be specifically useful in application requiring the detection of nuclear recoils, such as in direct detection of low mass DM, coherent neutrino scattering and neutrons. We describe a broad band, high sensitivity optical setup designed and constructed for the purpose of this search and future investigations of specific crystals. We report on the fluorescent signals produced from exposure to low doses of neutrons and γ rays and find potential targets in Quartz, Sapphire, LiF, CaF 2 and BaF 2 . These crystals and specific signals will be the subject of further study to establish the various traits relevant for a full scale DM detector. In this paper we identify the most interesting signals that will be promoted to significantly more detailed studies, including their production mechanism.

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Determination of color centers in CaF2 crystals by multiple gamma-ray irradiations

et al. 2013

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Gamma-ray-induced color in CaF2at room temperature: Coloring kinetics and thermal annealing

Cited by 12 publications

References 12 publications

Photothermal Conversion of Color Centers in $$\hbox {CaF}_{2}$$ CaF 2 Crystals: A Process Underlying the Use of Crystals as a Holographic Medium

Photothermal Conversion of Color Centers in $$\hbox {CaF}_{2}$$ CaF 2 Crystals: A Process Underlying the Use of Crystals as a Holographic Medium

Wide band spectroscopic response of monocrystallines to low dose neutron and gamma radiation

Determination of color centers in CaF2 crystals by multiple gamma-ray irradiations

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