Aiming at dual-band common aperture optical system for locating,warning and tracking,a dual-band optical system combining long wave infrared and laser was designed.The system adopts the refractive optical system,and the beam is split by a beamsplitter.The MTF of the system in infrared band is more than 0.2 at 25lp/mm ,the spot diameter is less than 0.6mm within 0.7 FOV of the laser band,and the system is compact.It can meet the requirement of larger field in capturing target and the requirement of high resolution in tracking target,so the system has some practical value.
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罗春华,王丽慧,王鑫.实用双波段共孔径光学系统设计[J].激光与红外,2014,44(2):196~199 LUO Chun-hua, WANG Li-hui, WANG Xin. Design of practical dual-band common aperture optical system[J]. LASER & INFRARED,2014,44(2):196~199