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Orthogonal polarization spectral imaging : ウィキペディア英語版 | Orthogonal polarization spectral imaging Orthogonal polarization spectral imaging is a method for imaging small blood vessels in tissue like the nail bed or lip. It uses a light source of linearly polarized light with a wavelength of 550 nanometers, the isobestic point for hemoglobin, thus imaging the erythrocytes as they are flowing through the small blood vessels. The reflected light orthogonal (at a 90° angle) to the emitted light is recorded, thus eliminating direct reflections. The depolarized light forms an image of the microcirculation on a CCD, which can be captured through single frames or on videotape. The image produced is as if the light source is actually placed behind the desired target or transilluminated.〔(【引用サイトリンク】title=OPS Imaging )〕 It has been validated, even under low hematocrit circumstances. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Orthogonal polarization spectral imaging」の詳細全文を読む
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