Analysis of the laser reflection wave of infrared seeker

JIANG Zhi-guo; FAN Yang

In order to study the detection principle and experimental technique of the attack directions of cruise missiles based on "cat's eye" effect, the factors that affecting the intensity of the reflection wave were analyzed both quantitatively and qualitatively with the method of ray tracing.Research results show that the relative aperture of optical lens, the incline and defocusing of reflection plane in infrared seeker optical system reduce the intensity of the "cat's eye" reflection.For example,the ratio of the reflection energy of TV seeker and the pulse energy of scanning laser goes down from 43.80% (under the ideal reflection condition) to 1.53% (for the defocusing) and 0% (for the incline) respectively,while the distance between the laser scanning setup and TV seeker is 10000m and the incidence angle of scanning laser is 0.08rad.This results may be useful for the application of missile's optical warning system.

1. Department of Applied Physics, Naval University of Engineering, Wuhan 430033, China

Received Date: 2008-01-28

Accepted Date: 2008-03-24

Available Online: 2009-04-25

Abstract: In order to study the detection principle and experimental technique of the attack directions of cruise missiles based on "cat's eye" effect, the factors that affecting the intensity of the reflection wave were analyzed both quantitatively and qualitatively with the method of ray tracing.Research results show that the relative aperture of optical lens, the incline and defocusing of reflection plane in infrared seeker optical system reduce the intensity of the "cat's eye" reflection.For example,the ratio of the reflection energy of TV seeker and the pulse energy of scanning laser goes down from 43.80% (under the ideal reflection condition) to 1.53% (for the defocusing) and 0% (for the incline) respectively,while the distance between the laser scanning setup and TV seeker is 10000m and the incidence angle of scanning laser is 0.08rad.This results may be useful for the application of missile's optical warning system.

HTML

Reference (10)

[1]	ZHAO X J,GAO Zh Y,ZHANG Y Y.Technique of active laser reconnaissance and the applications in the military[J].Optical Technique,2003,29(4):415-417(in Chinese).
[2]	MA H Zh.Study on the reflective characteristics of the targets and the"cat's eye"effect[J].Laser Technology,2003,27(6):600-602(in Chinese).
[3]	JIANG Zh G,FAN L,WANG X Y,et al.Analysis of the laser reflection wave of television seeker[J].Optical Technique,2006,32(4):623-626(in Chinese).
[4]	ZHONG R H.The infrared seeker of cruise missiles[M].Beijing:Space Navigation Press,1995:62-63(in Chinese).
[5]	BIAN X L.Influence of reflected wave power in deviate focus "cateye" system[J].China Measurement Technology,2007,33(2):85-86(in Chinese).
[6]	ZHU Q Ch,CHEN Sh Sh.Introduction of optical matrix[M].Shanghai:Shanghai Literature of Science and Technology Press,1991:24-65(in Chinese).
[7]	YUAN Y H,LIU S H,SUN Ch W,et al.Research on back reflected characteristics of incidence laser in IR system[J].Applied Laser,2003,23(1):33-36(in Chinese).
[8]	ZHAO H W,WANG J,SONG M,et al.Laser experimental study of "cat-eye" effect[J].Laser Technology,2005,29(1):62-65(in Chinese).
[9]	GE Ch L,ZHANG K,YIE Y D,et al.Lie-of-sight pointing over the horizon target with "cat-eye effect"[J].High Power Laser and Particle Beams,2005,17(11):1635-1638(in Chinese).
[10]	JIANG Zh G,TAN J Ch,LIANG J,et al.Suitability of "cat's eye effect" for reconnaissance by the scanning laser[J].Laser Technology,2005,29(5):549-551(in Chinese).

Analysis of the laser reflection wave of infrared seeker

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Proportional views