Phase measurement of light absorption and scatter in human tissue

B Chance, M Cope, E Gratton, N Ramanujam… - Review of scientific …, 1998 - pubs.aip.org
… by stray light under conditions where the amplitude independent phase measurement can
still be carried out with acceptable accuracy; and 3 multi-wavelength phase measurements

Aerosol light absorption and its measurement: A review

H Moosmüller, RK Chakrabarty, WP Arnott - Journal of Quantitative …, 2009 - Elsevier
light absorption. While local column-integrated measurements of aerosol light absorption
with sun and sky radiometers are routinely done, global satellite measurements are so far …

Photoacoustic spectrometer for measuring light absorption by aerosol: instrument description

WP Arnott, H Moosmüller, CF Rogers, T Jin… - Atmospheric …, 1999 - Elsevier
… The FFT analyzer should have been capable of measuring the relative phase between the
microphone and waveform generator, though technical and time constraints prevented perfec…

Phase measurement of fast light pulse in electromagnetically induced absorption

YS Lee, HJ Lee, HS Moon - Optics Express, 2013 - opg.optica.org
… the phase measurement of a fast light pulse in electromagnetically induced absorption (EIA) …
method, a stable measurement without phase dithering of the phase of the probe pulse …

Measurements of the absorption of light in low-loss liquids

J Stone - JOSA, 1972 - opg.optica.org
measurement of phase change was limited to approximately the same percentage. As can be
seen from the illustrative example given in Sec. I, the total phase … a transient measurement. …

Methods for real-time, in situ measurement of aerosol light absorption

H Moosmüller, WP Arnott, CF Rogers - Journal of the Air & Waste …, 1997 - Taylor & Francis
… The static phase difference can be maintained for maximum sensitivity (ie, ∆Φ0 = π/2) by …
At ∆Φ0 = π/2, an induced phase change of ∆Φi results in a change in output powers P1 and …

Measurement of wavelength-resolved light absorption by aerosols utilizing a UV-VIS extinction cell

M Schnaiter, O Schmid, A Petzold… - Aerosol science and …, 2005 - Taylor & Francis
… With the calculated phase functions we deduced nephelometer correction factors of 1.09,
1.06, and 1.04 for 450, 550, and 700 nm, respectively. In these combined correction factors the …

Measuring light absorption by freshly emitted organic aerosols: optical artifacts in traditional solvent-extraction-based methods

NJ Shetty, A Pandey, S Baker, WM Hao… - Atmospheric …, 2019 - acp.copernicus.org
… differences in absorption Ångström exponents (AÅE) obtained from solution- and
particulate-phase measurements. We noted that AÅE from solvent-phase measurements could …

Multi-angle absorption photometry—a new method for the measurement of aerosol light absorption and atmospheric black carbon

A Petzold, M Schönlinner - Journal of Aerosol Science, 2004 - Elsevier
… the filter fibres is approximated by the Henyey–Greenstein scattering phase function. In
contrast to light scattering, the light absorption in the aerosol-filter layer is due to particles alone …

Aerosol light absorption measurement techniques: Analysis and intercomparisons

AD Clarke, KJ Noone, J Heintzenberg… - Atmospheric …, 1967 - Elsevier
… The scattering by nonspherical particles can differ greatly in the details of the phase function…
only angular-averaged quantities, not the phase functions. The Mie calculations use the …