PROBLEM TO BE SOLVED: To provide a vein authentication apparatus capable of easily controlling the light quantity of near infrared light and securing reproducibility of authentication, and a vein authentication method.SOLUTION: The vein authentication apparatus 10 relating to this invention has an imaging part 101 comprising: a lens array 103 where a plurality of light receiving lenses for receiving transmission light transmitted through a vein layer are disposed in an array shape a near infrared light irradiation light source 10 disposed on the outer periphery of the lens array, and for irradiating a finger surface with the near infrared light a wide angle lens part 111 for condensing the transmission light received in the lens array and an imaging element 113 for generating the picked-up image of the vein layer on the basis of the transmission light condensed in the wide angle lens part.COPYRIGHT: (C)2009,JPO&INPIT【課題】近赤外光の光量制御が容易であり、認証の再現性を確保することが可能な、静脈認証装置および静脈認証方法を提供する。【解決手段】本発明に係る静脈認証装置10は、静脈層を透過した透過光を受光する複数の受光レンズがアレイ状に配設されたレンズアレイ103と、レンズアレイの外周に配置され、指表面に対して近赤外光を照射する近赤外光照射光源107と、レンズアレイで受光した透過光を集光する広角レンズ部111と、広角レンズ部で集光された透過光に基づいて静脈層の撮像画像を生成する撮像素子113と、を備える撮像部101を有する。【選択図】図3
