5 September 2014 Formalization and experimental evaluation of cavity-enhanced holographic readout
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Abstract
We formalize the theoretical effects of optical resonator enhancement on diffraction efficiency, read rate, and write rate of plane wave holograms, with a view toward page based holographic data storage. Trade-offs in cavity enhancement are also examined. Theory predicts ~160% of enhancement in diffraction efficiency is feasible when power loss of the hologram is ~8% and diffraction efficiency is ~8%. We report experimental verification of ~30% enhancement of diffraction efficiency for a hologram written in 0.03% Fe:LiNbO3 (Deltronic Crystal Industries, Inc.) with a 532 nm wavelength, pulsed, DPSS, Nd-YAG, laser and read by a red He-Ne laser. The Bragg selectivity width under the cavityenhanced readout is experimentally confirmed to be unaffected by cavity enhancement, and it agrees with theoretical prediction.
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Bo E. Miller, Bo E. Miller, Yuzuru Takashima, Yuzuru Takashima, } "Formalization and experimental evaluation of cavity-enhanced holographic readout", Proc. SPIE 9201, Optical Data Storage 2014, 920104 (5 September 2014); doi: 10.1117/12.2061448; https://doi.org/10.1117/12.2061448
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