Influence of charging chalcogenide glassy semiconductors in a corona discharge on the formation of superimposed holographic diffraction gratings

Autor:	Mihail Iovu, A. M. Prisakar, G. M. Tridukh, A. M. Nastas
Rok vydání:	2015
Předmět:	Materials science Physics and Astronomy (miscellaneous) business.industry Chalcogenide Holography Diffraction efficiency Isotropic etching law.invention chemistry.chemical_compound Optics Semiconductor chemistry law Optical recording business Diffraction grating Corona discharge
Zdroj:	Technical Physics. 60:466-468
ISSN:	1090-6525 1063-7842
DOI:	10.1134/s1063784215030202
Popis:	Optical recording of superimposed holographic gratings in a corona discharge initiated in a Ni-As2S3 structure is studied. It is shown that a corona discharge used for recording holographic gratings in this structure improves its holographic sensitivity and the diffraction efficiency of recorded gratings by several times. It is found that when two superimposed gratings are recorded in a corona discharge, a surface relief due to chemical etching is more uniform and the modulation depth of its thickness is larger.
Databáze:	OpenAIRE
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