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Li20 evaporation during the laser heated pedestal growth of LiTaO3 single-crystal fibers

✍ Scribed by R. Burlot; M. Ferriol; R. Moncorgé; G. Boulon

Book ID
104372683
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
392 KB
Volume
35
Category
Article
ISSN
0992-4361

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✦ Synopsis

The growth of LiTaO3 single-crystal fibers by the Laser Heated Pedestal Growth technique was performed using different pulling rates and growth atmosphere pressures. Fibers were produced with a diameter of about 800 lam and lengths between 20 and 50 ram. Due to the high melting point of LiTaO3, incongruent evaporation of lithium oxide took place during the growth. Its influence on the morphology of the crystals obtained was characterized by transmission optical microscopy and an estimate of the evaporation time constant of Li20 made.

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Laser heated pedestal growth and optical properties of Yb3+-doped LiNbO3 single crystal fibers
✍ G. Foulon; M. Ferriol; A. Brenier; M.T. Cohen-Adad; G. Boulon 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 500 KB

The elaboration of Yba+-doped LiNbO 3 : Sc 3+ and LiNbO 3 : Mg 2+ single crystal fibers by the laser heated pedestal growth technique is reported. The ytterbium emission and absorption cross-sections are given. We show that it is possible to obtain the coincidence between the wavelength of phase-mat