[1] [1] J. Earl Rudisill,Will Lohneiss. Ultra low absorption coatings for mid-infrared cw lasers[C]. SPIE,1994,2253:802-808

[2] [2] Antonio R. Marrujo,Christopher Lieto. Deuterium-fluoride optics at HELST[J]. Critical Rev.,1996,CR67:373-392

[3] [3] A. Schnellbvgel,H. Hagedorn,R. Anton. Ion-assisted deposition of non-toxic coatings for high power CO2 optics[C]. SPIE,1994,2253:375-381

[4] [4] R.Anton,H. Hagedorn,A. Schnellbvgel et al.. Ion-assisted deposition of high-quality,thorium-free antireflection coatings for high-power CO2 lasers[C]. SPIE,1994,2114:88-96

[5] [5] G. Doubinina,B. Poirier,E. Strouse et al.. Non-radioactive IR anti-reflective coating[C]. Annual Technical Conference Proceedings,1998,0737-5921:310-312

[6] [6] Xiong Shengming,Zhang Yundong. High threshold thorium-free dielectric multilayer reflector for high-power middle infrared lasers[C]. SPIE,1998,3549:241-245

[7] [7] J. E. Rudisill,J. A. Harrington,M.Braustein. Low-loss antireflection coatings for DF chemical lasers[J]. Appl. Opt.,1979,18:1220-1225

[8] [8] J. R. Milward,K. L. Lewis,A. M. Pitt et al.. Laser damage issues for mid-IR optical parametric oscillator mirrors[C]. SPIE,1993,2114:220-231

[9] [9] A. Schnellbiigel,B. Selle,R. Anton. Determination of the stoichiometry and the Yb2+/Yb3+ ratio in YbFx optical IAD films by RBS and in situ XPS analysis[J]. Microchimica Acta,1997,125(1-4):239-243

[10] [10] M. Kennedy,D. Ristau,H. S. Niederwald. Ion beam-assisted deposition of MgF2 and YbF3 films[J]. Thin. Solid Films,1998,333:191-195

[11] [11] Edward D. Palik. Handbook of Optical Constants of Solids[M]. San Diego:Academic Press,1985