## 5 Conclusions and Outlook
(2012) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Spectroscopic photoacoustic imaging of lipid-rich plaques in the human aorta in the 740 to 140 nm wavelength range. _J. Biomed. Opt._**2012**, _17_, 061209. [CrossRef]
* [PERSON] et al. (2014) [PERSON]; [PERSON] [PERSON]; [PERSON]. Intravascular photoacoustic imaging: A new tool for vulnerable plaque identification. _Ultrasound Med. Biol._**2014**, _40_, 1037-1048. [CrossRef]
* [PERSON] et al. (2020) [PERSON]; [PERSON]; [PERSON]. A review of endogenous and exogenous contrast agents used in photoacoustic tomography with different sensing configurations. _Sensors_**2020**, _20_, 5595. [CrossRef]
* [PERSON] and [PERSON] (2016) [PERSON]; [PERSON]; [PERSON] Review on photoacoustic imaging of the brain using nanoprobes. _Neurophoton_**2016**, \(3\), 010901. [CrossRef]
* [PERSON] et al. (2005) [PERSON]; [PERSON]; [PERSON]; and [PERSON] Quantitative photoacoustic imaging: Fitting a model of light transport to the initial pressure distri-bution. _Proc. SPIE_**2005**, _5697_, 49-55. * [PERSON] et al. (2019) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON] Quantitative photoacoustic imaging study of tumours in vivo: Baseline variations in quantitative measurements. _Photoacoustics_**2019**, _13_, 53-65. [CrossRef]
* [PERSON] et al. (2011) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Dictionary learning-based reverberation removal enables depth-resolved photoacoustic microscopy of cortical microvasculature in the mouse brain. _Sci. Rep._**2018**, \(8\), 985. [CrossRef]
* [PERSON] et al. (2011) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Fast voice-coil scanning optical-resolution photoacoustic microscopy. _Opt. Lett._**2011**, _36_, 139-141. [CrossRef]
* [PERSON] et al. (2012) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Wide-field fast-scanning photoacoustic microscopy based on a water-immership MEMS scanning mirror. _J. Biomed. Opt._**2012**, _17_, 080505. [CrossRef]
* [PERSON] et al. (2015) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] A PDMS-based 2-axis waterproof scanner for photoacoustic microscopy. _Sensors_**2015**, _15_, 9815-9826. [CrossRef] [PubMed]
* [PERSON] et al. (2020) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Wave of single-impulse-stimulated fast initial dip in single vessels of mouse brains imaged by high-speed functional photoacoustic microscopy. _J. Biomed. Opt._**2020**, _25_, 066501. [CrossRef] [PubMed]
* [PERSON] and Beard (2006) [PERSON]; [PERSON] Pulsed near-infrared laser diode excitation system for biomedical photoacoustic imaging. _Opt. Lett._**2006**, _31_, 3462-3464. [CrossRef] [PubMed]
* [PERSON] (2007) [PERSON]; [PERSON] Dual wavelength laser diode excitation source for 2D photoacoustic imaging. _Proc. SPIE_**2007**, _6437_, 64371U. * [PERSON] and [PERSON] (2017) [PERSON]; [PERSON] Dynamic in vivo imaging of small animal brain using pulsed laser diode-based photoacoustic tomography system. _J. Biomed. Opt._**2017**, _22_, 090501. [CrossRef]
* [PERSON] et al. (2017) [PERSON]; [PERSON]; [PERSON]; [PERSON] A high-performance compact photoacoustic tomography system for in vivo small-animal brain imaging. _J. Vis. Exp._**2017**, _124_, e55811. [CrossRef]
* [PERSON] et al. (2020) [PERSON]; [PERSON]; [PERSON]; [PERSON] In vivo detection of venous sinus distension due to intracranial hypotension in small animal using pulsed-laser-diode photoacoustic tomography. _J. Biophoton._**2020**, _13_, e201960162. [CrossRef]
* [PERSON] et al. (2018) [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON]; [PERSON] Light emitting diodes based photoacoustic imaging and potential clinical applications. _Sci. Rep._**2018**, \(8\), 9885. [CrossRef]
* [PERSON] et al. (2020) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Evaluation of multi-wavelength LED-based photoacoustic imaging for maximum safe resection of glioma: A proof of concept study. _Int. J. Comput. Assist. Radiol.