PROBLEM TO BE SOLVED: To provide an illuminator high in irradiation efficiency, lightweight, conveniently installable, hardly damageable, and inexpensive, and provide a lighting system using the illuminator.SOLUTION: Provided is an illuminator 200 having a fluorescent tube 210 and a cover 100 for covering the fluorescent tube 210, wherein the cover 100 is equipped with a base material 110 at least being translucent and a light reflection layer 120, provided on an outer surface of the base material 110, for reflecting the light irradiated from the fluorescent tube 210 to penetrate the base material 110.COPYRIGHT: (C)2013,JPO&INPIT【課題】照射効率が高く、軽量で取付けに便利であり、損傷し難い安価な照明器具およびその照明器具を用いた照明システムを提供することを目的とする。【解決手段】蛍光管210と蛍光管210を覆う笠100とを有する照明器具200において、笠100は、少なくとも透光性を有する基材110と、基材110の外面に設けられ、蛍光管210から照射され基材110を透過した光を反射する光反射層120と、を備えることを特徴とする。【選択図】図1
