Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/14782
Title: Transition metal and rare earth doped stoichiometric lithium niobate crystals for holographic recording
Authors: SANJEEV SOLANKI
Keywords: lithium niobate, stoichiometric, TSSG, photorefractive, beam fanning, hologram
Issue Date: 5-Jul-2005
Source: SANJEEV SOLANKI (2005-07-05). Transition metal and rare earth doped stoichiometric lithium niobate crystals for holographic recording. ScholarBank@NUS Repository.
Abstract: Lithium niobate (LN) crystal has attracted great attention due to its application in rewritable holographic recording. In spite of demonstrating great progress, LN crystals have suffered from intrinsic defects that exist due to its congruent composition (CLN). Top seeded solution growth (TSSG) method was used to grow un-doped and doped LN crystals with stoichiometric composition (SLN). Various techniques were utilized to analyze the band edge, OH-1 vibration spectra and raman modes of the crystal samples. X a?? Cut and Z a?? Cut doped SLN crystal samples were inspected for beam fanning and optical damage due to photorefractive effect. The effect of beam fanning on holographic recording was simulated using kukhtarev equations. High-speed and high-density one-color holographic recording was performed in doped SLN crystal samples with signal-carrying light beams. Two-color nonvolatile holographic recording was also realized at IR recording wavelength.
URI: http://scholarbank.nus.edu.sg/handle/10635/14782
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