ISO 11455:1995
Raw optical glass — Determination of birefringence
Raw optical glass — Determination of birefringence
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 6
- Дата публикации:
- 9 марта 1995 г.
- Издание:
- ISO IS 11455 edition 1 version 1
- ICS:
- 81.040.10
This International Standard describes the stress optical method for determining the birefringence in glass, especially in raw optical glass in bulk and preshaped forms. This method is also used in photo-elasticity.
Abstract
Overview
ISO 11455:1995 - Raw optical glass - Determination of birefringence describes a standard, repeatable stress-optical method for measuring birefringence in raw optical glass (bulk and preshaped forms). The method, based on the de Senarmont / Friedel compensation technique, uses polarized light and interference optics to quantify optical path difference caused by manufacturing, thermal or mechanical stresses. Results are reported as in and are applicable in quality control and photo-elasticity testing.
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