Development of holographic optical elements based on LiNbO3 photorefractive crystals and As-S-Se chalcogenide films

Kukhtarev Nickolai; Kukhtareva Tatiana; Edwards Vernessa M.; Wang Jaiching; Rotaru Vasile; Korshak Oleg; Chapurin Igor

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KUKHTAREV, Nickolai, KUKHTAREVA, Tatiana, EDWARDS, Vernessa M., WANG, Jaiching, ROTARU, Vasile, KORSHAK, Oleg, CHAPURIN, Igor. Development of holographic optical elements based on LiNbO3 photorefractive crystals and As-S-Se chalcogenide films. In: Proceedings of SPIE - The International Society for Optical Engineering, Ed. 4, 1-2 aprilie 2002, Orlando, Florida. Bellingham, Washington: SPIE, 2002, Ediția 4, Vol.4732, pp. 89-97. ISSN 0277-786X. DOI: https://doi.org/10.1117/12.477432

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Proceedings of SPIE - The International Society for Optical Engineering
Ediția 4, Vol.4732, 2002

Conferința "Photonic and Quantum Technologies for Aerospace Applications"
4, Orlando, Florida, Statele Unite ale Americii, 1-2 aprilie 2002

Development of holographic optical elements based on LiNbO3 photorefractive crystals and As-S-Se chalcogenide films

DOI:https://doi.org/10.1117/12.477432

Pag. 89-97

Kukhtarev Nickolai¹, Kukhtareva Tatiana¹, Edwards Vernessa M.¹, Wang Jaiching¹, Rotaru Vasile², Korshak Oleg², Chapurin Igor²

¹ Alabama A&M University,
² Moldova State University

Disponibil în IBN: 2 februarie 2024

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We have studied holographic grating recording in Fe-doped photorefractive crystals LiNbO₃ (LN) and in doped As-S-Se chalcogenide glassy semiconductor (CGS) films. Transmission gratings in α-cut crystals of LN are efficient enough to demonstrate effect of optical channeling. Volume gratings recorded in LN crystals may be used as a parallel array of the planar waveguides. For the CGS slanted grating geometry was tested, aiming on creation of asymmetric blazed gratings. Asymmetry of non-Bragg diffraction orders was observed and it was 12 times enhanced by a gold coating. For the first time reflection volume grating were recorded in 2mm thick CGS by green solid state laser (λ=532nm, P=100mW).

Cuvinte-cheie
Blazed diffraction gratings, chalcogenide glassy semiconductors, diffraction efficiency, holography, Photorefractive crystals

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