optical density
noun[UorCusually singular]
physicsspecializeduk/ˌɒp.tɪ.kəl ˈden.sɪ.ti/us/ˌɑːp.tɪ.kəl ˈden.sə.t̬i/(abbreviationOD)thedegreeto which anobjectormaterialreducestheintensityoflightpassingthrough it:
光密度Theslowerthatlightisabletotravelthrough a givenmedium, thehighertheopticaldensityof themedium.光在特定介质中传播的速度越慢，介质的光密度越高。
Theareaandaverageopticaldensityof eachfibreismeasured.测量每根光纤的面积和平均光密度。
- A microdensitometer was used whichmeasuredtheopticaldensityof thefilms.
- Theopalescenceariseswhenraysoflightstrikethinfilmshaving anopticaldensitydifferingfrom that of themainmass.
- Theopticaldensityof thebatchculturewasdeterminedusing a spectrophotometer.
Physics: optics, microscopy & lasers
- anti-reflection
- anti-reflective
- chromatic aberration
- concentrator
- converging lens
- electron microscope
- field glasses
- lens
- magnification
- magnify
- magnifying glass
- opera glasses
- optics
- polarize
- polarized
- polarizer
- reflect
- reflecting telescope
- reflection
- refracting telescope