Processing conditions using electric discharge and optical characteristics for a short multimode fiber imaging probe

Processing conditions using electric discharge and optical characteristics for a short multimode fiber imaging probe
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使用放电和光学特性的短多模光纤成像探头的加工条件

DOI:
10.1016/j.optcom.2020.126089
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发表时间:
2020
影响因子:
2.4
通讯作者:
Sato Manabu
Sato Manabu
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Katahira Motoshi;Eto Kai;Hirano Takaya;Masuta Junpei;Nishidate Izumi;Sato Manabu

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已经报道了使用直径为125 μ m、长度为7.4 mm的短多模光纤(SMMF)成像探头,全视场光学相干显微镜(FF OCM)测量深度超过4 mm的体内大鼠大脑切片图像(Sato,2019)。然而,由于SMMF头端是切割的,因此应研究该过程以确保顺利插入组织并适当接触组织。研究了利用放电的SMMF加工条件和加工的SMMF的光学特性。采用12,000 V的高压放电11 s,将SMMF光纤尖端加工成曲率半径为77 μ m的球形。测量的成像条件近似抛物折射率和球面的光学模型计算。局部模糊和失真的测量图像进行了详细的识别。用长7.35 mm、直径125 μ m的SMMF对鸡肌腱样品进行了透射成像,其透射图像与光学显微镜记录的图像基本一致。
Using a short multimode fiber (SMMF) imaging probe with a diameter of 125 μ m and a length of 7.4 mm, the full-field optical coherence microscopy (FF OCM) to measure sectional images of in vivo rat brains deeper than 4 mm have been reported (Sato, 2019). However, since the tip of the SMMF was as cut, the process should be studied for smooth insertions into tissues and appropriate contacts to tissues. The SMMF processing conditions using electric discharge and the optical characteristics of the processed SMMF were investigated. Using a high voltage of 12,000 V for discharge duration of 11 s, the fiber tips of SMMF were processed to fabricate a spherical shape with a 77 μ m curvature radius. The measured imaging conditions approximate the optical model calculations of the parabolic refractive index and the spherical surface. Local blur and distortions in the measured images were identified in detail. Using the processed SMMF with a length of 7.35 mm and a diameter of 125 μ m, the transmission image of a chicken tendon samples closely corresponded to the image recorded with an optical microscope.
用于体积多兆赫光学相干断层扫描的高速光纤扫描内窥镜
DOI: 10.1364/ol.43.004386
发表时间: 2018
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影响因子: 3.6
作者:
Schulz-Hildebrandt H;Pfeiffer T;Eixmann T;Lohmann S;Ahrens M;Rehra J;Draxinger W;König P;Huber R;Hüttmann G
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DOI: --
发表时间: 2018
期刊: Applied Optics
影响因子: 1.9
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DOI: --
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DOI: --
发表时间: 2017
期刊:
影响因子: --
作者:
M. Sato;K. Shouji;I. Nishidate
通讯作者: I. Nishidate
DOI: 10.3390/app9020216
发表时间: 2019-01
期刊: Applied Sciences
影响因子: --
作者:
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通讯作者: M. Sato;Kai Eto;Junpei Masuta;Kenji Inoue;R. Kurotani;Hiroyuki Abe;I. Nishidate