Essays about: "scattering media"

Showing result 11 - 15 of 24 essays containing the words scattering media.

1. 11. Diode laser spectroscopy for oxygen detection in the lungs of infants

   University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Atomfysik

   Author : Peilang Liao; [2016]
   Keywords : GASMAS; Tunable laser; Transport theory; 3D phantom; Diagnoses; Gas; Lung; Physics and Astronomy;

   Abstract : This thesis work is part of a larger project with final goal to be able to measure the oxygen concentration in the lungs of infants, using non-invasive laser spectroscopy. This thesis is specifically dealing with simulations of light transport through the upper body of infants, as well as constructing a tissue-like model (phantom) that can be used in experiments. READ MORE

3. 12. Broadband Photon Time-of-Flight Spectroscopy on Pharmaceutical Tablets and Dairy Products

   University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Atomfysik

   Author : Sören Johansson; [2015]
   Keywords : Compositional Analysis; Dairy; Tablets; Pharmaceutics; Scattering; Absorption; Spectroscopy; Photonics; Optics; Chemometrics; Partial Least Squares; PLS; Physics and Astronomy;

   Abstract : In this thesis, Photon Time-of-Flight Spectroscopy (PTOFS) is presented as a method to measure absorption and scattering spectra of turbid media samples in the near infra red wavelength range. In particular, absorption and scattering spectra measured on pharmaceutical tablets and dairy products are used to analyse the composition of the samples. READ MORE

4. 13. Time of Flight Spectroscopy of Photon Migration in Turbid Media

   University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Atomfysik

   Author : Johanna Paulsson; [2014]
   Keywords : Physics and Astronomy;

   Abstract : Light interacting with biological matter is dominated by light scattering; biological matter is turbid. In order not to harm the natural structure of biological matter, visible light can be used to investigate it, and to avoid the light being absorbed from e.g. READ MORE

5. 14. Laser spectroscopic studies on scattering media - Application to food packages and wood materials

   University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Atomfysik

   Author : Jim Larsson; [2014]
   Keywords : food packages; absorption spectroscopy; wood; diode lasers; scattering media; Physics and Astronomy;

   Abstract : In this project, an optical technique called gas in scattering media absorption spectroscopy (GASMAS) has been employed to investigate optical properties in scattering media such as food packages and wood materials. The GASMAS technique has been combined with a technique called frequency domain photon migration (FDPM) and from the integrated system the gas absorption signal and total optical path length have been assessed when measuring on milk packages. READ MORE

6. 15. Optimization of Cognitive Radio in NLoS Backhauling of Small Cells

   University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

   Author : Paresh Kumar Lakhani; Ajay Gul; Fahad Naveed; [2013]
   Keywords : Backhauling; Cognitive Radio; Link Budget; Long Term Evolution LTE ; Non Line of Sight NLoS ; Small Cell.;

   Abstract : The increasing demand of data access and user experience result in deployment of new technologies (3G, LTE, WiMAX, Cognitive Radio), Long Term Evolution (LTE) is one of them which promises to fulfill the variable demand of subscribers through small cells instead of macro cells. The backhauling of the small cells in densely populated urban area is again a very difficult task to handle with Government regulations (eccentricities) and restrictions. READ MORE