Cold-wall melting experiments with high-frequency induction melting

Werner Kiefer; Hans-Georg Krolla

doi:10.1117/12.190953

21 October 1994 Cold-wall melting experiments with high-frequency induction melting

Werner Kiefer, Hans-Georg Krolla

Proceedings Volume 2287, Properties and Characteristics of Optical Glass III; (1994) https://doi.org/10.1117/12.190953
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

Cold wall melting with high frequency induction heating has the advantage that no impurities are introduced in the glass during the melting process. Different types of optical glasses were tested. With one exception all optical glasses took power in the high frequency electric field in the range from 0.5 to 3 MHz at a sufficiently high temperature. A good correlation between the electrical conductivity of the glass melt measured with 10 kHz and the penetration depth of the electrical field can be found.

Citation Download Citation

Werner Kiefer and Hans-Georg Krolla "Cold-wall melting experiments with high-frequency induction melting", Proc. SPIE 2287, Properties and Characteristics of Optical Glass III, (21 October 1994); https://doi.org/10.1117/12.190953

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