Holographic memory using photochromic LiNbO3:Tb, Fe crystals

Myeongkyu Lee, S. Takekawa, Y. Furukawa, K. Kitamura, H. Hatano

Research output: Contribution to conferencePaper

Abstract

The top-seeded solution method was used for the growth of near-stoichiometric LiNbO3 crystals. The doubly-doped crystals exhibited a strong and thermally stable induced absorption band in the visible range when exposed to light. Holographic storage was carried out using the two-wave mixing technique. Two reference beams of equal intensity were used to intersect symmetrically inside the crystal. The photorefractive sensitivity was enhanced with ultraviolet pre-exposure because it increased the electron concentration in Fe traps.

Original languageEnglish
Number of pages1
Publication statusPublished - 2001 Oct 8
EventConference on Lasers and Electro-Optics (CLEO) - Baltimore, MD, United States
Duration: 2001 May 62001 May 11

Other

OtherConference on Lasers and Electro-Optics (CLEO)
CountryUnited States
CityBaltimore, MD
Period01/5/601/5/11

Fingerprint

Data storage equipment
Crystals
Absorption spectra
Electrons

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

Lee, M., Takekawa, S., Furukawa, Y., Kitamura, K., & Hatano, H. (2001). Holographic memory using photochromic LiNbO3:Tb, Fe crystals. Paper presented at Conference on Lasers and Electro-Optics (CLEO), Baltimore, MD, United States.
Lee, Myeongkyu ; Takekawa, S. ; Furukawa, Y. ; Kitamura, K. ; Hatano, H. / Holographic memory using photochromic LiNbO3:Tb, Fe crystals. Paper presented at Conference on Lasers and Electro-Optics (CLEO), Baltimore, MD, United States.1 p.
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Lee, M, Takekawa, S, Furukawa, Y, Kitamura, K & Hatano, H 2001, 'Holographic memory using photochromic LiNbO3:Tb, Fe crystals' Paper presented at Conference on Lasers and Electro-Optics (CLEO), Baltimore, MD, United States, 01/5/6 - 01/5/11, .

Holographic memory using photochromic LiNbO3:Tb, Fe crystals. / Lee, Myeongkyu; Takekawa, S.; Furukawa, Y.; Kitamura, K.; Hatano, H.

2001. Paper presented at Conference on Lasers and Electro-Optics (CLEO), Baltimore, MD, United States.

Research output: Contribution to conferencePaper

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T1 - Holographic memory using photochromic LiNbO3:Tb, Fe crystals

AU - Lee, Myeongkyu

AU - Takekawa, S.

AU - Furukawa, Y.

AU - Kitamura, K.

AU - Hatano, H.

PY - 2001/10/8

Y1 - 2001/10/8

N2 - The top-seeded solution method was used for the growth of near-stoichiometric LiNbO3 crystals. The doubly-doped crystals exhibited a strong and thermally stable induced absorption band in the visible range when exposed to light. Holographic storage was carried out using the two-wave mixing technique. Two reference beams of equal intensity were used to intersect symmetrically inside the crystal. The photorefractive sensitivity was enhanced with ultraviolet pre-exposure because it increased the electron concentration in Fe traps.

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Lee M, Takekawa S, Furukawa Y, Kitamura K, Hatano H. Holographic memory using photochromic LiNbO3:Tb, Fe crystals. 2001. Paper presented at Conference on Lasers and Electro-Optics (CLEO), Baltimore, MD, United States.