国际光学工程学会
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作者:Gunnar Arisholm , Torbjørn Skauli , Stig Landrø
来源:[J].Optical Engineering(IF 0.88), 2018, Vol.57 (7), pp.073103-073103SPIE
摘要:When the interval between transmitted pulses is shorter than the time of flight, it is not straightforward for a lidar to determine the distance uniquely. We present a method that uses varying pulse intervals, constructs a set of tentative point positions for each received pulse,...
作者:Jacqueline Gunther , Andreas Walther , Lars Rippe ...
来源:[J].Journal of Biomedical Optics(IF 2.881), 2018, Vol.23 (7), pp.071209-071209SPIE
摘要:Biological tissue is a highly scattering medium that prevents deep imaging of light. For medical applications, optical imaging offers a molecular sensitivity that would be beneficial for diagnosing and monitoring of diseases. Acousto-optical tomography has the molecular sens...
作者:Christopher R. Wilson , Joshua D. Kennedy , Pierce B. Irby ...
来源:[J].Journal of Biomedical Optics(IF 2.881), 2018, Vol.23 (7), pp.076003-076003SPIE
摘要:Thulium fiber laser lithotripsy using smaller optical fibers may enable development of miniature ureteroscopes. Two ureteroscope distal tip prototypes were built and characterized. The first design was 4.5-French (Fr) [1.5-mm outer diameter (OD)], five channel tip, housing 2...
作者:Mikael Marois , Steven L. Jacques , Keith D. Paulsen
来源:[J].Journal of Biomedical Optics(IF 2.881), 2018, Vol.23 (7), pp.071202-071202SPIE
摘要:An algorithm that selects optimal wavelengths for spectral fitting of diffuse light reflectance spectra using a nonnegative least squares method is presented. Oxyhemoglobin, deoxyhemoglobin, and water are considered representative absorbers, but the approach is not constrained or...
作者:Norihiro Honda , Katsunori Ishii , Yoshinaga Kajimoto ...
来源:[J].Journal of Biomedical Optics(IF 2.881), 2018, Vol.23 (7), pp.075006-075006SPIE
摘要:The optical properties of human brain tumor tissues, including glioblastoma, meningioma, oligodendroglioma, and metastasis, that were classified into “strong,” “vague,” and “unobservable” fluorescence by a neurosurgeon were measured and compared. The optical proper...
作者:Navchetan Awasthi , Sandeep Kumar Kalva , Manojit Pramanik ...
来源:[J].Journal of Biomedical Optics(IF 2.881), 2018, Vol.23 (7), pp.071204-071204SPIE
摘要:As limited data photoacoustic tomographic image reconstruction problem is known to be ill-posed, the iterative reconstruction methods were proven to be effective in terms of providing good quality initial pressure distribution. Often, these iterative methods require a large numbe...
作者:Hsun-Chia Hsu , Lei Li , Junjie Yao ...
来源:[J].Journal of Biomedical Optics(IF 2.881), 2018, Vol.23 (7), pp.076001-076001SPIE
摘要:Optical-resolution photoacoustic microscopy (OR-PAM) has demonstrated fast, label-free volumetric imaging of optical-absorption contrast within the quasiballistic regime of photon scattering. However, the limited numerical aperture of the ultrasonic transducer restricts the detec...
作者:Hamed Abbasi , Georg Rauter , Raphael Guzman ...
来源:[J].Journal of Biomedical Optics(IF 2.881), 2018, Vol.23 (7), pp.071206-071206SPIE
摘要:In laserosteotomy, it is vital to avoid thermal damage of the surrounding tissue, such as carbonization, since carbonization does not only deteriorate the ablation efficiency but also prolongs the healing process. The state-of-the-art method to avoid carbonization is irrigation s...
作者:Subhasri Chatterjee , Tomas Ysehak Abay , Justin Paul Phillips ...
来源:[J].Journal of Biomedical Optics(IF 2.881), 2018, Vol.23 (7), pp.075005-075005SPIE
摘要:Photoplethysmography (PPG) is an optical noninvasive technique with the potential for assessing tissue perfusion. The relative time-change in the concentration of oxyhemoglobin and deoxyhemoglobin in the blood can be derived from DC part of the PPG signal. However, the absol...
作者:Yi Chen , Zhengdong Cheng , Yubao Cheng ...
来源:[J].Optical Engineering(IF 0.88), 2018, Vol.57 (7), pp.073111-073111SPIE
摘要:Ghost imaging is an indirect system that allows the imaging of an object without directly seeing the object. The speckle pattern that contains the information about light and objects has increasingly become a popular topic in pseudothermal light ghost imaging. However, exist...

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