Comparison of techniques for overcoming scattering in spectroscopy

S. P. Morgan; Bo Lu; J. A. Crowe; I. M. Stockford

doi:10.1117/12.696959

21 July 2006 Comparison of techniques for overcoming scattering in spectroscopy

S. P. Morgan, Bo Lu, J. A. Crowe, I. M. Stockford

Proceedings Volume 6163, Saratov Fall Meeting 2005: Optical Technologies in Biophysics and Medicine VII; 61630H (2006) https://doi.org/10.1117/12.696959
Event: Saratov Fall Meeting 2005, 2005, Saratov, Russian Federation

Abstract

Light scattering provides a problem in optical spectroscopy as the relationship between attenuation and absorption in the presence of scattering is non-linear. Three simple methods of reducing the effects of scattering are considered in this paper, namely; polarization subtraction, use of an added absorber and spatial filtering. There is an inevitable trade-off between the accuracy of the measurement and the signal to noise ratio as scattered light is rejected from the detector. It is demonstrated that polarization subtraction provides the optimum performance as it enables the relationship between attenuation and absorption coefficient to become more linear at a higher signal to noise ratio than both use of an added absorber and spatial filtering over a range of scattering coefficients.

Citation Download Citation

S. P. Morgan, Bo Lu, J. A. Crowe, and I. M. Stockford "Comparison of techniques for overcoming scattering in spectroscopy", Proc. SPIE 6163, Saratov Fall Meeting 2005: Optical Technologies in Biophysics and Medicine VII, 61630H (21 July 2006); https://doi.org/10.1117/12.696959

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available