Dielectric characteristics of silica glasses and their relationship to SHG in poled silica

Dong Wook Shin, M. Tomozawa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Electrical and dielectric relaxation measurements were conducted in silica glasses. Using the results of the measurements the cause of second harmonic generation (SHG) in thermally poled silica glass was considered. Absorption currents were measured as a function of time for various types of silica glasses and analysed using the theory of space charge polarisation. It was found that generation, annihilation, reproduction and temperature dependence of SHG in poled silica are similar to those of space charge polarisation. The fundamental parameters governing SHG in poled silica were found to be charge carrier concentration and mobility. Based on the theory of space charge polarisation, and the experimental result of electrical relaxation, a method to increase the intensity of SHG is proposed.

Original languageEnglish
Pages (from-to)199-206
Number of pages8
JournalPhysics and Chemistry of Glasses
Volume42
Issue number3
StatePublished - 2001 Jun 1

Fingerprint

silica glass
Fused silica
Harmonic generation
Silicon Dioxide
harmonic generations
Electric space charge
Silica
silicon dioxide
space charge
Polarization
polarization
Dielectric relaxation
Carrier mobility
Charge carriers
Carrier concentration
charge carriers
temperature dependence
causes
Temperature

Cite this

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Dielectric characteristics of silica glasses and their relationship to SHG in poled silica. / Shin, Dong Wook; Tomozawa, M.

In: Physics and Chemistry of Glasses, Vol. 42, No. 3, 01.06.2001, p. 199-206.

Research output: Contribution to journalArticle

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