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


Rezumat

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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<dc:creator>Kukhtarev, N.V.</dc:creator>
<dc:creator>Kukhtareva, T.V.</dc:creator>
<dc:creator>Edwards, V.</dc:creator>
<dc:creator>Wang, J.</dc:creator>
<dc:creator>Rotaru, V.K.</dc:creator>
<dc:creator>Corşac, O.</dc:creator>
<dc:creator>Ciapurin, I.V.</dc:creator>
<dc:date>2002</dc:date>
<dc:description xml:lang='en'><p>We have studied holographic grating recording in Fe-doped photorefractive crystals LiNbO<sub>3</sub>&nbsp;(LN) and in doped As-S-Se chalcogenide glassy semiconductor (CGS) films. Transmission gratings in &alpha;-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 (&lambda;=532nm, P=100mW).</p></dc:description>
<dc:source>Proceedings of SPIE - The International Society for Optical Engineering (Ediția 4, Vol.4732) 89-97</dc:source>
<dc:subject>Blazed diffraction gratings</dc:subject>
<dc:subject>chalcogenide glassy semiconductors</dc:subject>
<dc:subject>diffraction efficiency</dc:subject>
<dc:subject>holography</dc:subject>
<dc:subject>Photorefractive crystals</dc:subject>
<dc:title>Development of holographic optical elements based on LiNbO3 photorefractive crystals and As-S-Se chalcogenide films</dc:title>
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