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- Three-dimensional recording by tightly focused femtosecond pulses in LiNbO3
- Juodkazis, Saulius; Sudzius, Markas; Mizeikis, Vygantas; Misawa, Hiroaki; Gamaly, Eugene G.; Liu, Youwen; Louchev, Oleg A.; Kitamura, Kenji
- The authors report on a three-dimensional single-shot optical recording by 150 fs pulses at 800 nm wavelength in Fe doped LiNbO3. The rewritable bits (2x×2y×8z μm3) are demonstrated. The highest refractive index modulation of ∼ 10−3 per single pulse has been formed by preferential photovoltaic effect at close to the dielectric breakdown irradiance of ∼ TW/cm2 and was independent of polarization (in respect to the c axis). The achievable refractive index modulation is evaluated and the recording mechanisms are discussed.
- Publication type
- Journal article
- Applied Physics Letters, Vol. 89, no. 6 (Aug 2006), paper no. 062903
- Publication year
- FOR Code(s)
- 01 Mathematical Sciences; 02 Physical Sciences; 09 Engineering
- 3D optical memory; Femtosecond laser pulses; Femtosecond pulses; Laser beams; Laser pulses; LiNbO3; Optical recording
- American Institute of Physics
- Publisher URL
- Copyright © 2006 American Institute of Physics. Published version of this paper reproduced here in accordance with the copyright policy of the publisher.
- Additional information
- The authors acknowledge support from the Matsumae International Foundation and the Australian Research Council.
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- Peer reviewed