[1] Jamieson T H. Thermal effects in optical systems[J]. Optical Engineering,1981,(20)2:156-160.
[2] Veronica Povey. Athermalisation techniques in infrared systems[A]. SPIE[C]. 1986,655. 142-153.
[3] Bhadrayu M R. Use of aspherics and colour correcting elements in the thermal infrared[A]. SPIE[C].1989,1013. 74-83.
[5] Savage J A. Infrared Optical Materials and their Antireflection Coatings[M]. New York: Academic Press,1995.
[6] Optical Reseach Associates. CODEV Reference Manual[Z]. California:Optical Reseach Associates, California,1995.