Changes in the refractive index during the molding process

Antoni Sojecki

doi:10.1117/12.218454

8 September 1995 Changes in the refractive index during the molding process

Antoni Sojecki

Proceedings Volume 2536, Optical Manufacturing and Testing; (1995) https://doi.org/10.1117/12.218454
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

The heating process effects undesired changes of the refractive index. We must have good knowledge in this subject when appropriate refractive index should be achieved finally. Such research work was performed using two kinds of optical glass F1 and SK4. Fifteen samples of each kind had been prepared. Every one sample was heated separately to different temperature and then after the refractive index of each sample was measured. Following conclusions were drawn: for the glass F1 the value of refractive index decreases 0.0011 whereas 0.0035 for SK4--the change of refractive index occurs rather rapidly in a small range of temperature.

Citation Download Citation

Antoni Sojecki "Changes in the refractive index during the molding process", Proc. SPIE 2536, Optical Manufacturing and Testing, (8 September 1995); https://doi.org/10.1117/12.218454

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