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・ Diffuse noxious inhibitory control
・ Diffuse optical imaging
・ Diffuse panbronchiolitis
・ Diffuse proliferative nephritis
・ Diffuse reflectance infrared fourier transform
・ Diffuse reflection
・ Diffuse series
・ Diffuse sky radiation
・ Diffuse unilateral subacute neuroretinitis
・ Diffused lighting camouflage
・ Diffuser
・ Diffuser (automotive)
・ Diffuser (band)
・ Diffuser (breathing set part)
・ Diffuser (heat)
Diffuser (optics)
・ Diffuser (sewage)
・ Diffuser (thermodynamics)
・ Diffusing capacity
・ Diffusing update algorithm
・ Diffusing-wave spectroscopy
・ Diffusion
・ Diffusion (acoustics)
・ Diffusion (business)
・ Diffusion (disambiguation)
・ Diffusion barrier
・ Diffusion bonding
・ Diffusion capacitance
・ Diffusion creep
・ Diffusion current


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Diffuser (optics) : ウィキペディア英語版
Diffuser (optics)

In optics, a diffuser is any device that diffuses or spreads out or scatters light in some manner, to give soft light. Diffuse light can be easily obtained by making light to reflect diffusely from a white surface, while more compact optical diffusers may use translucent objects, and can include ground glass diffusers, teflon diffusers, holographic diffusers, opal glass diffusers, and greyed glass diffusers.
==Perfect reflecting diffuser==
A Perfect (Reflecting) Diffuser (PRD) is a theoretical perfectly white surface with Lambertian reflectance (its brightness appears the same from any angle of view). It does not absorb light, giving back 100% of the light it receives. Reflective diffusers can be easily characterised by scatterometers 〔http://www.zebraoptical.com/roughnessviascatterometry.html〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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