Visible light transmittance | definition of visible light transmittance by Medical dictionary
visible light transmittance
Also found in: Acronyms
visible light transmittance Occupational safety The amount of light that passes though an eye protection device–EPD to the retina
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
References in periodicals archive
A light weave fabric with appropriate visible light transmittance
and low absorptance is recommended to allow more sunlight into the classroom, while reducing cooling loads.
In a standard one-inch insulating glass unit with a clear inboard light, Vistacool Caribia produces Visible Light Transmittance
(VLT) of 47%--nearly twice the average of other tinted, reflective-coated glass products on the market--together with a Solar Heat Gain Coefficient (SHGC) of 0.34.
Low-E coatings can combine the advantages of a reduced U-factor and SHGC while maintaining high levels of visible light transmittance
. These microscopically thin layers of metal or metallic oxide can be designed to filter radiation so as to reflect UV and infrared radiation while transmitting visible wavelengths.