light absorption

light absorption

[′līt əb‚sorp·shən]
(optics)
The process in which energy of light radiation is transferred to a medium through which it is passing.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The new 500W 450nm AO-500 blue laser expands metals processing by leveraging both innovative systems engineering and the inherent physical advantages of blue light absorption. Early adopters have already demonstrated the blue laser's ability to efficiently process copper, aluminium, stainless steel and other industrially important metals.
Just like the TDLS8000, the TDLS8100 uses the spectrum area method to calculate the gas concentration from the area in a light absorption distribution chart.
The results indicate that the longer-lasting aerosols maybe contributing more than scientists had thought to both light absorption and atmospheric warming; this could have important ramifications for climate prediction, especially if wildfires across the globe increase in size and frequency.
As well, Bulk Fill composites presents a specific photoinitiator and this determines the power and time of light curing; because in each one the spectrum of light absorption differs.
The researchers decorated the tips of the nanorods with tiny particles of platinum, which act as acceptors for the electrons excited by the light absorption. As the LMU group had previously shown, this configuration provides an efficient photocatalyst for the reduction of water to hydrogen.
(7,12) By inducing light of a specific range of wavelength on a substance's surface using a spectrophotometer, light absorption of a substance can be measured.
To tackle the issue, the researchers built rigid silicon segments linked by screen-printed aluminium contacts, positioned at the back to optimise light absorption and allow modifications of the silicon sections.
"Light absorption in crystalline silicon solar cells can be significantly enhanced by nanostructuring and this reduces the thickness of silicon required," said Dr Basu Mallick.
In particular, modeling and understanding of advanced photovoltaic devices are expected to benefit from multiscale modeling, which allows describing consistently both macroscopic device behavior and local microscopic processes governing light absorption, loss mechanisms, carrier transport, and extraction.
Each dye has its own light absorption property in the visual (V) and near infrared spectrum (NIR-Z).
Therefore, a thick and high quality silicon substrate which has a long minority carriers' diffusion length is essential for light absorption. The tradeoff between the light absorption and minority carriers collection is a key issue for high performance device [1, 2].