CAJ | 학술논문

针对当前军工红外成像仪器小型化及宽温度适应性的需要，采用光学被动式无热化方法对8～12μm 波段设计了一款镜头。该镜头 F 数为1、焦距为40 mm、视场为16．8°、温度适应范围为－40～65℃。设计结果显示，在要求的温度范围内，系统无需调焦，像质接近衍射极限，达到无热化的性能要求。
침대당전군공홍외성상의기소형화급관온도괄응성적수요，채용광학피동식무열화방법대8～12μm 파단설계료일관경두。해경두 F 수위1、초거위40 mm、시장위16．8°、온도괄응범위위－40～65℃。설계결과현시，재요구적온도범위내，계통무수조초，상질접근연사겁한，체도무열화적성능요구。
To meet the needs of the current military infrared imaging instrument,we designed a lens for 8~12 μm wave band with uncooled optical passive method.The specific parameter,F is 1,focus is 40 mm,field of view is 16.8°.The design results are achieved within the scope of the -40~65 ℃,as close to the diffraction limitation.The system does not need focus.The athermalization performance is good.