Growth and optical properties of different compositions OfLiNbO3 single crystal fibers

Chi Yung Chen, Jyh Chen, Chi-Ta Chia

Research output: Contribution to journalArticle

Abstract

In this study the laser-heated pedestal growth (LHPG) method was used to grow lithium niobate (LiNbO3) single crystal fibers with different compositions ratios [Li2CO3MNb2O5] = 44:56, 45:55, 46:54, 47:53, 48:52, 48.3:51.4, 49:51 and 50:50 achieved by different seed rods. X-ray Single-Crystal Diffractometer (X-Ray/CCD) was used to determine the lattice parameters and crystalline structure of the crystals. The UV absorption spectrum, Fourier-transform infrared spectrometer and Raman scattering spectroscopy results were used to find the optical properties and standard characterization of the different LiNbO3 single crystals. We note that the wavelength of the UV absorption edge and the wave number of the O-H absorption peak were less when the Li2O composition was large. The plotted results tended to fit a Gaussian curve. The Full-Width Half-Maximum (FWHM) of the Raman peak found at 152 cm of the E(TO) mode decreased linearly as the amount of the Li2O composition increased. The Raman scattering results showed that the structure at the UNbO3 crystal became more rigid when the amount of the Li2O composition increased.

Original languageEnglish
Pages (from-to)1260-1264
Number of pages5
JournalJournal of Optoelectronics and Advanced Materials
Volume9
Issue number5
Publication statusPublished - 2007 May 1

Fingerprint

Optical properties
Single crystals
optical properties
fibers
Fibers
single crystals
Chemical analysis
Raman scattering
Raman spectra
X rays
Crystals
Infrared spectrometers
infrared spectrometers
Diffractometers
lithium niobates
diffractometers
Charge coupled devices
Lattice constants
crystals
Seed

Keywords

  • BJV absorption spectroscopy
  • Infrared and Raman spectroscopy
  • Laser heated pedestal growth method
  • Lithium niobate

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Growth and optical properties of different compositions OfLiNbO3 single crystal fibers. / Chen, Chi Yung; Chen, Jyh; Chia, Chi-Ta.

In: Journal of Optoelectronics and Advanced Materials, Vol. 9, No. 5, 01.05.2007, p. 1260-1264.

Research output: Contribution to journalArticle

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