PROBLEM TO BE SOLVED: To provide an optical unit and an endoscope device which can increase resolution of a wavelength region in spectrometry and can prevent negative influences from extending to spectrometry or imaging of a part to be measured or a part to be observed.SOLUTION: An optical unit receives imaging light of a part to be observed in a body lumen and self-fluorescence of a part to be measured in the body lumen. The optical unit is provided with: an imaging device where an imaging region for receiving the imaging light of the part to be observed in the body lumen and a spectral region for receiving the self-fluorescence of the part to be measured are formed on the same optical surface an imaging optical system 288 for guiding the imaging light to the imaging region a spectral optical system 286 for guiding the self-fluorescence to the spectral region a case for housing the imaging optical system 288 and the spectral optical system 286 and a light shield part 284 for shielding incidence of light passing the imaging optical system 288 to the spectral region and incidence of light passing the spectral optical system 286 to the imaging region.COPYRIGHT: (C)2014,JPO&INPIT【課題】分光測定における波長領域の分解能を高めるとともに、測定対象部位または観察対象部位の分光測定または撮像に悪影響が及ばないようにすることが可能な光学ユニットおよび内視鏡装置を提供する。【解決手段】光学ユニットは、体内管腔の観察対象部位の撮像光および当該体内管腔の測定対象部位の自家蛍光を受光する。光学ユニットは、体内管腔の観察対象部位の撮像光を受光する撮像領域および、測定対象部位の自家蛍光を受光する分光領域が同一受光面上に形成された撮像素子と、撮像領域に撮像光を導光する撮像光学系288と、分光領域に自家蛍光を導光する分光光学系286と、撮像光学系288および分光光学系286を収容する筐体と、撮像光学系288を通る光の分光領域への入射および、分光光学系286を通る光の撮像領域への入射を遮断する遮光部284とを備える。【選択図】図3
