Spatial Frequency Multiplexing in Spectroscopy
(2024) p.565-579- Abstract
Spectroscopic imaging is a widely employed diagnostic approach with applications span-ning several different disciplines. Although color-sensitive cameras are very common and used for everyday photography, scientific applications often require highly specific color sensitivity to avoid signal cross-talk and misinterpretations. Such systems are primarily based on sequential acquisition configurations and are, therefore, inherently slow and unsuitable for studies of living samples and rapidly progressing events. To address this problem, different means to acquire spectroscopic data rapidly have been developed. One such method is based on spatial frequency multiplexing, wherein the user either illuminates the sample with several... (More)
Spectroscopic imaging is a widely employed diagnostic approach with applications span-ning several different disciplines. Although color-sensitive cameras are very common and used for everyday photography, scientific applications often require highly specific color sensitivity to avoid signal cross-talk and misinterpretations. Such systems are primarily based on sequential acquisition configurations and are, therefore, inherently slow and unsuitable for studies of living samples and rapidly progressing events. To address this problem, different means to acquire spectroscopic data rapidly have been developed. One such method is based on spatial frequency multiplexing, wherein the user either illuminates the sample with several intensity-modulated light fields or observes the response of the sample through optical components that modulate the light in space. If different spectral signal components are given unique modulation patterns, a camera can record several spectral images in parallel and thereafter separate them digitally. This chapter explains the fundamental principles of this technical solution and presents the progress made thus far.
(Less)
- author
- Kristensson, Elias LU
- organization
- publishing date
- 2024-01
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- keywords
- Fluorescence, Fourier analysis, Frequency recognition algorithm for multiple exposures (FRAME), Frequency sensitive analysis, Instantaneous spectral imaging, Intensity-modulated imaging, Multiplexed imaging, Multispectral imaging, Spatial lock-in analysis, Structured illumination
- host publication
- Coded Optical Imaging
- pages
- 15 pages
- publisher
- Springer International Publishing
- external identifiers
-
- scopus:105001758754
- ISBN
- 9783031390623
- 9783031390616
- DOI
- 10.1007/978-3-031-39062-3_31
- language
- English
- LU publication?
- yes
- id
- c7dce85d-c53c-4bc5-8285-31e20aa53461
- date added to LUP
- 2025-09-12 13:22:20
- date last changed
- 2025-10-14 09:11:15
@inbook{c7dce85d-c53c-4bc5-8285-31e20aa53461,
abstract = {{<p>Spectroscopic imaging is a widely employed diagnostic approach with applications span-ning several different disciplines. Although color-sensitive cameras are very common and used for everyday photography, scientific applications often require highly specific color sensitivity to avoid signal cross-talk and misinterpretations. Such systems are primarily based on sequential acquisition configurations and are, therefore, inherently slow and unsuitable for studies of living samples and rapidly progressing events. To address this problem, different means to acquire spectroscopic data rapidly have been developed. One such method is based on spatial frequency multiplexing, wherein the user either illuminates the sample with several intensity-modulated light fields or observes the response of the sample through optical components that modulate the light in space. If different spectral signal components are given unique modulation patterns, a camera can record several spectral images in parallel and thereafter separate them digitally. This chapter explains the fundamental principles of this technical solution and presents the progress made thus far.</p>}},
author = {{Kristensson, Elias}},
booktitle = {{Coded Optical Imaging}},
isbn = {{9783031390623}},
keywords = {{Fluorescence; Fourier analysis; Frequency recognition algorithm for multiple exposures (FRAME); Frequency sensitive analysis; Instantaneous spectral imaging; Intensity-modulated imaging; Multiplexed imaging; Multispectral imaging; Spatial lock-in analysis; Structured illumination}},
language = {{eng}},
pages = {{565--579}},
publisher = {{Springer International Publishing}},
title = {{Spatial Frequency Multiplexing in Spectroscopy}},
url = {{http://dx.doi.org/10.1007/978-3-031-39062-3_31}},
doi = {{10.1007/978-3-031-39062-3_31}},
year = {{2024}},
}