Two-color holographic recording in a single-doped photorefractive LiNbO3 crystal

Jung Ping Liu, Hong Shyuan Chen, Wei Chia Su

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We recorded a hologram in a photorefractive LiNbO3:Fe crystal with a two-color recording technique in transmission geometry. The holographic recording involves a light with wavelength 633nm for interference, and a light with wavelength 532nm for exciting. The short wavelength light excites more charges so that the holographic recording is affected, and the storage capacity (M-number) and the sensitivity vary accordingly. We found that the optimized intensity ratio of the interference lights and the exciting light is between 50 and 60. In the optimized conditions, the M number and the sensitivity are enhanced by 43 and 35%, respectively. Because the crystal we used is a typical iron-doped LiNbO3 crystal and the short wavelength exciting light source is inexpensive now, the proposed method is easy to be achieved in most holographic systems.

Original languageEnglish
Article number030501
JournalOptical Engineering
Volume48
Issue number3
DOIs
Publication statusPublished - 2009 Dec 1

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Photorefractive crystals
recording
Color
color
Wavelength
wavelengths
Crystals
crystals
interference
Wave interference
Light interference
sensitivity
Holograms
doped crystals
luminaires
Light sources
light sources
Iron
iron
Geometry

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Engineering(all)

Cite this

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abstract = "We recorded a hologram in a photorefractive LiNbO3:Fe crystal with a two-color recording technique in transmission geometry. The holographic recording involves a light with wavelength 633nm for interference, and a light with wavelength 532nm for exciting. The short wavelength light excites more charges so that the holographic recording is affected, and the storage capacity (M-number) and the sensitivity vary accordingly. We found that the optimized intensity ratio of the interference lights and the exciting light is between 50 and 60. In the optimized conditions, the M number and the sensitivity are enhanced by 43 and 35{\%}, respectively. Because the crystal we used is a typical iron-doped LiNbO3 crystal and the short wavelength exciting light source is inexpensive now, the proposed method is easy to be achieved in most holographic systems.",
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Two-color holographic recording in a single-doped photorefractive LiNbO3 crystal. / Liu, Jung Ping; Chen, Hong Shyuan; Su, Wei Chia.

In: Optical Engineering, Vol. 48, No. 3, 030501, 01.12.2009.

Research output: Contribution to journalArticle

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