8. Glossary
Angle visuel; viewing angle
Angle between the straight lines connecting the ends of the apparent source to the observer's eye or to the point of measurement (synonyms: apparent diameter, angular extent).
Angle d'acceptance; acceptance angle
Angle of the detector limited by the field-of-view diaphragm over which illuminance and luminance measurements are averaged. There is a thermal acceptance angle γ th and a photochemical acceptance angle γ ph (synonyms: field of view, effective field, angular aperture).
Retinal burn; Brûlure rétinienne
Thermal retinal damage induced by radiation between 380 and 1,400 nm (visible and IR-A). 2 TLVs are associated with retinal burns. One ELV...
Exclusive to subscribers. 97% yet to be discovered!
Already subscribed? Log in!
Glossary
Article included in this offer
"Safety and risk management"
(
463 articles
)
Updated and enriched with articles validated by our scientific committees
A set of exclusive tools to complement the resources
Bibliography
Exclusive to subscribers. 97% yet to be discovered!
Already subscribed? Log in!
