Assessment of spatially offset Raman spectroscopy to detect differences in bone matrix quality

R Gautam, R Ahmed, E Haugen, M Unal… - … Acta Part A: Molecular …, 2023 - Elsevier
Since spatially offset Raman spectroscopy (SORS) can acquire biochemical measurements
of tissue quality through light scattering materials, we investigated the feasibility of this …

Through-bottle whisky sensing and classification using Raman spectroscopy in an axicon-based backscattering configuration

H Fleming, M Chen, GD Bruce, K Dholakia - Analytical Methods, 2020 - pubs.rsc.org
Non-intrusive detection systems have the potential to characterise materials through various
transparent glass and plastic containers. Food and drink adulteration is increasingly …

To focus-match or not to focus-match inverse spatially offset Raman spectroscopy: a question of light penetration

GE Shillito, L McMillan, GD Bruce, K Dholakia - Optics Express, 2022 - opg.optica.org
The ability to identify the contents of a sealed container, without the need to extract a
sample, is desirable in applications ranging from forensics to product quality control. One …

Subsurface spectroscopy in heterogeneous materials using self-healing laser beams

BR Anderson, N Gese, H Eilers - Optics, 2024 - mdpi.com
Self-healing optical beams are a class of propagation modes that can recover their beam
shapes after distortion or partial blockage. This self-healing property makes them attractive …

Fluorescence photobleaching of urine for improved signal to noise ratio of the Raman signal–An exploratory study

SB Dutta, H Krishna, KM Khan, S Gupta… - … Acta Part A: Molecular …, 2021 - Elsevier
Urine analysis is an important clinical test routinely performed in pathology labs for disease
diagnosis and prognosis. In recent years, near-infrared Raman spectroscopy has drawn …

Off-confocal Raman spectroscopy (OCRS) for subsurface measurements in layered turbid samples

KM Khan, N Ghosh, SK Majumder - Journal of Optics, 2016 - iopscience.iop.org
We report, for the first time, the development of a depth-sensitive Raman spectroscopy
system for investigating subsurface depths in a layered turbid sample using the concept of …

Nanotrap-enhanced Raman spectroscopy: an efficient technique for trace detection of bioanalytes

SB Dutta, R Shrivastava, H Krishna, KM Khan… - Analytical …, 2019 - ACS Publications
Reliable diagnosis of disease using body fluids requires sensitive and accurate detection of
disease-specific analytes present in the fluid. In recent years, there has been increasing …

Drop-coating deposition Raman spectroscopy for quantitative detection of urinary creatinine: A feasibility study

SB Dutta, H Krishna, KM Khan, R Shrivastava… - Laser …, 2020 - iopscience.iop.org
We present the results of an exploratory study carried out to evaluate the applicability of drop
coating deposition Raman spectroscopy (DCDRS) for quantitative determination of …

Inverse spatially‐offset Raman spectroscopy using optical fibers: An axicon lens‐free approach

KM Khan, SB Dutta, N Kumar, A Dalal… - Journal of …, 2019 - Wiley Online Library
Inverse spatially offset Raman spectroscopy (I‐SORS) seeks to interrogate deep inside a
Raman‐active, layered, diffusely scattering sample. It makes a collimated laser beam …

[HTML][HTML] 空间偏移拉曼光谱技术及其应用研究进展

胡仪, 钟航, 刘樱, 陈骏, 陈钧 - The Journal of Light Scattering, 2024 - opticsjournal.net
摘要拉曼光谱技术, 作为一种**大的表征分析工具, 在各学科领域中均有广泛的应用. 然而,
一般的拉曼光谱技术缺乏分辨固态材料内部成分的能力, 难以有效揭示材料的纵向结构 …