Glossary
- window 1. A piece of glass with plane parallel surfaces used to admit light into an optical system and to exclude dirt and moisture. 2. A particular region of the electromagnetic spectrum that has been singled out for some purpose; for example, the region...
- radiation-shielding windows Plates of glass containing as many heavy metal oxides as can be dissolved in the glass without causing devitrification. The glass is yellow, very heavy and has a high refractive index. It is almost opaque to x-rays and other radiation that might be...
windowwindowsradiation shielding windowsopticalglassradiation-shieldingradiation shieldingmetal oxiderefractive indexoptical componentsradiation shieldoptics