Fast photorefractive response in BSO in the near infrared

Erik Raita; Oleg V. Kobozev; Ervin Nippolainen; Alexei A. Kamshilin; Victor V. Prokofiev

doi:10.1117/12.425492

10 April 2001 Fast photorefractive response in BSO in the near infrared

Erik Raita, Oleg V. Kobozev, Ervin Nippolainen, Alexei A. Kamshilin, Victor V. Prokofiev

Proceedings Volume 4415, Optical Organic and Inorganic Materials; (2001) https://doi.org/10.1117/12.425492
Event: Advanced Optical Materials and Devices, 2000, Vilnius, United States

Abstract

The polarization self-modulation effect has been applied for the effective measurement of the characteristic response time of nominally pure Bi₁₂SiO₂₀ at wavelengths of 810 nm and 980 nm. Owing to the oxygen deficiency in the crystal lattice, the studied BSO crystals have shown the unusual photorefractive sensitivity and the remarkable operation speed in near infrared spectral region. The response time of 130 ms has been measured at the wavelength of 810 nm and the response time of 540 ms at 8 equals 980 nm with the incident intensities of 110 mW/cm² and 200 mW/cm², respectively. To our knowledge this is the first experimental evidence of subsecond response in the infrared for the non- semiconductor photorefractive material.

Citation Download Citation

Erik Raita, Oleg V. Kobozev, Ervin Nippolainen, Alexei A. Kamshilin, and Victor V. Prokofiev "Fast photorefractive response in BSO in the near infrared", Proc. SPIE 4415, Optical Organic and Inorganic Materials, (10 April 2001); https://doi.org/10.1117/12.425492

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