The present invention relates to a radiation dose measuring system, and more particularly, to a radiation dose measuring system including a photonic crystal layer having a gradual change in refractive index and a green lens (GRIN lens), thereby more effectively emitting light emitted from the scintillator, And more particularly, to a real-time radiation dose measurement system with improved light collection efficiency that can more accurately measure radiation dose in real time by transmitting light more effectively to an optical fiber or other measurement system. The present invention relates to a scintillator which emits light when a radiation is transmitted through the scintillator. A light measuring unit for measuring light emitted from the scintillator； An optical waveguide for transmitting light emitted from the scintillator to the optical measuring unit； And a green lens (GRIN lens) interposed between the scintillator and the optical waveguide or between the optical waveguide and the optical measuring unit to reduce light loss in the process of transmitting light. The present invention discloses a radiation dose measuring system, which comprises a photonic crystal layer having a gradual change in refractive index attached to a scintillator and a green lens (GRIN lens) by constructing a real-time irradiation dose measurement system including a green lens (GRIN lens) A real-time radiation dose measurement system can be realized, which realizes a real-time radiation dose measurement system that can more accurately measure a radiation dose and reflect the same in therapy.본 발명은 방사선 조사량 측정 시스템에 관한 것으로서, 구체적으로는 점진적인 굴절율 변화를 가지는 광결정층과 그린 렌즈(GRIN lens)를 포함하여 방사선 조사량 측정 시스템을 구성함으로써, 섬광체에서 발생한 빛을 보다 효과적으로 방출하고 방출된 빛을 보다 효과적으로 광섬유 혹은 기타 측정 시스템으로 전달함으로써, 보다 정밀하게 방사선 조사량을 실시간 측정할 수 있는 광수집 효율이 향상된 실시간 방사선 조사량 측정 시스템 에 관한 것이다.본 발명은 방사선이 투과되면 발광하는 섬광체(scintillator)； 상기 섬광체로부터 발광된 빛을 측정하는 광측정부； 상기 섬광체에서 발광된 빛을 상기 광측정부로 전달하는 광 도파관； 및 상기 섬광체와 광 도파관의 사이, 또는 상기 광 도파관과 광측정부의 사이에
