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Open Access Green as soon as Postprint is submitted to ZB.
Influence of the absorber dimensions on wavefront shaping based on volumetric optoacoustic feedback.
Opt. Lett. 40, 5395-5398 (2015)
The recently demonstrated control over light distribution through turbid media based on real-time three-dimensional optoacoustic feedback has offered promising prospects to interferometrically focus light within scattering objects. Nevertheless, the focusing capacity of the feedback-based approach is strongly conditioned by the number of optical modes (speckle grains) enclosed in the volume that can be resolved with the optoacoustic imaging system. In this Letter, we experimentally tested the light intensity enhancement achieved with optoacoustic feedback measurements from different sizes of absorbing microparticles. The importance of the obtained results is discussed in the context of potential signal enhancement at deep locations within a scattering medium where the effective speckle grain sizes approach the minimum values dictated by optical diffraction.
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2.110
2.110
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Publication type
Article: Journal article
Document type
Scientific Article
Language
english
Publication Year
2015
HGF-reported in Year
2015
ISSN (print) / ISBN
0146-9592
e-ISSN
1539-4794
Journal
Optics Letters
Quellenangaben
Volume: 40,
Issue: 22,
Pages: 5395-5398
Publisher
Optical Society of America (OSA)
Reviewing status
Peer reviewed
Institute(s)
Institute of Biological and Medical Imaging (IBMI)
POF-Topic(s)
30205 - Bioengineering and Digital Health
Research field(s)
Enabling and Novel Technologies
PSP Element(s)
G-505590-001
PubMed ID
26565883
WOS ID
WOS:000366133400067
Scopus ID
84957550402
Erfassungsdatum
2015-11-30