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3 terms
Photonics Dictionary: I
Clear All Filters x
carbon x
I x
Iceland spar
Also called calcite. A natural hexagonal crystal of calcium carbonate. It cleaves readily into rhomboids useful in the study of polarized light.
index liquid
->
refractive index liquids
A closely spaced series of well-known chemicals having a refractive index lying between 1.33 for water and 1.95 for a solution of phosphorus in carbon disulfide. They are used to identify powdered...
international candle
A unit of measurement of luminous intensity based on a physical standard, a set of calibrated carbon filament lamps. The old candle unit was superseded by the new candle or candela.
Photonics Dictionary
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