Optoacoustic response from graphene-based solutions embedded in optical phantoms by using 905-nm high-power diode-laser assemblies

被引：3

作者：

Leggio, Luca ^{[1
]}

Gallego, Daniel C. ^{[1
]}

Babu Gawali, Sandeep ^{[1
]}

Dadrasnia, Ehsan ^{[1
]}

Sanchez, Miguel ^{[1
]}

Rodriguez, Sergio ^{[1
]}

Gonzalez, Marta ^{[2
]}

Carpintero, Guillermo ^{[1
]}

Osinski, Marek ^{[3
]}

Lamela, Horacio ^{[1
]}

机构：

[1] Univ Carlos III Madrid, Dept Elect Technol, Ave Univ 30, Leganes 28911, Spain

[2] Univ Carlos III Madrid, Dept Mat Sci & Engn & Chem Engn, Ave Univ 30, Leganes 28911, Spain

[3] Univ New Mexico, Ctr High Technol Mat, 1313 Goddard St SE, Albuquerque, NM 87106 USA

来源：

PHOTONS PLUS ULTRASOUND: IMAGING AND SENSING 2016 | 2016年 / 9708卷

关键词：

Optoacoustics; graphene oxide; gold nanoparticles; phantom; high-power diode lasers; optical fiber bundle; RESOLUTION PHOTOACOUSTIC MICROSCOPY; IN-VIVO; MEDICAL DIAGNOSTICS; CONTRAST AGENTS; LOW-COST; TOMOGRAPHY; SYSTEM; PERFORMANCE; NANOPARTICLES; OPPORTUNITIES;

D O I：

10.1117/12.2207245

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

During the last two decades, optoacoustic imaging has been developed as a novel biomedical imaging technique based on the generation of ultrasound waves by means of laser light. In this work, we investigate the optoacoustic response from graphene based solutions by using a compact and cost-effective system based on an assembly of several 905-nm pulsed high-power diode lasers coupled to a bundle of 200-mu m-diameter-core optical fibers. The coupled light is conveyed into a lens system and focused on an absorber consisting of graphene-based nanomaterials (graphene oxide, reduced graphene oxide, and reduced graphene-oxide/gold-nanoparticle hybrid, respectively) diluted in ethanol and hosted in slightly scattering optical phantoms. The high absorption of these graphene-based solutions suggests their potential future use in optoacoustic applications as contrast agents.

引用

页数：12

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