Title :
Light-induced absorption in photorefractive strontium-barium niobate
Author :
Orlov, Sergei ; Segev, Mordechai ; Yariv, Amnon ; Neurgaonkar, R.R.
Author_Institution :
California Inst. of Technol., Pasadena, CA, USA
Abstract :
Photorefractive (PR) strontium barium niobate (SBN) has been the subject of extensive research in recent years. Large PR nonlinearities and relatively fast response time at low power levels make this material a preferred candidate for a variety of applications such as optical data storage. Intensity dependent absorption and related phenomena were discovered and investigated extensively in different PR crystals and at different optical light intensities spanning the range of 1 mW/cm2 to 104 W/cm2. In this study we investigate the light-induced absorption through pump-probe measurement at relatively low optical power densities in photorefractive SBN:60 and SBN:75
Keywords :
barium compounds; chromium; light absorption; nonlinear optics; optical saturable absorption; photorefractive materials; strontium compounds; (SrBa)NbO3:Cr; 488 nm; SrBaNbO3 :Cr; fast response time; intensity dependent absorption; light-induced absorption; optical data storage; optical light intensities; photorefractive strontium-barium niobate; pump-probe measuremen; relatively low optical power densities; Absorption; Barium; Crystalline materials; Delay; Niobium compounds; Optical materials; Optical pumping; Photorefractive effect; Photorefractive materials; Strontium;
Conference_Titel :
Nonlinear Optics: Materials, Fundamentals, and Applications, 1994. NLO '94 IEEE
Conference_Location :
Waikoloa, HI
Print_ISBN :
0-7803-1473-5
DOI :
10.1109/NLO.1994.470836
