Study on Poling of LiNbO3 Fiber Single Crystals

Title
Study on Poling of LiNbO3 Fiber Single Crystals
Authors
강봉훈장재혁최덕균신태희주기태
Keywords
Lithium niobate (LiNbO3); μ-PD method; Fiber single crystals; Ridge; Poling
Issue Date
2009-07
Publisher
한국세라믹학회지; Journal of the Korean Ceramic Society
Citation
VOL 46, NO 4, 419-424
Abstract
Congruent or stoichiometric LiNbO3 fiber single crystals were grown by the μ-PD method, and the grown fiber crystals have the several (2 or 3) ridges with a diameter of 1.35~1.5 mm and a length of 40~100 mm. In this μ-PD process, different growth rates (10~60 mm/h) were applied. Pt wire or LiNbO3 crystal was used as a seed. The properties of grown LiNbO3 fiber single crystals having a-axis or c-axis according to seeds were effected by the grown conditions(Pt tube diameter, pulling speed, after heater etc.). Disk-type LiNbO3 samples were poled in condition of DC 5 V/cm at 1050, 1075 or 1100 o C. XRD, SEM, conoscope image through the polarized microscope, TC measuring apparatus, optical transmittance measuring instrument are used to identify the properties of LiNbO3.
URI
http://pubs.kist.re.kr/handle/201004/35738
ISSN
1229-7801
Appears in Collections:
KIST Publication > Article
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