[1] CAUDELL T P.Introduction to augmented and virtual reality[C].SPIE,1994,2351:272-282.

[2] MILGRAM P,TAKEMURA H,UTSUMI A.Augmented reality:A class of displays on the reality-virtuality continuum[C].SPIE,1994,2351:282-292.

[3] ROLLAND J P,HOLLOWAY R L,FUCHS H.A comparison of optical and video see-through head mounted displays[C].SPIE,1994,2351:293-307.

[5] ZHAO Q L,WANG Z Q,MU G G,et al.Hybrid refractive/diffractive Eyepiece design for head mounted display[J].Acta Photonica sinica,2003,32(12):1495-1498.

[7] FERGASON J.Optical system for head mounted display using retroreflector and method of displaying an image:USA,5 621572[P].1997-04-15.

[8] HUA H,GAO C,BROWN L,et al.A testbed for precise registration,natural occlusion,and interaction in an augmented environment using a head mounted projective display(HMPD)[C].IEEE VR 2002 Proceedings,Orlando,FL,March 22-28,2002.

[9] HUA H,GAO C,BROWN L,et al.Design of an ultralight and compact projection lens[J].Appl Opt,2003,42 (1):97-107.

[12] LAIKIN M.Lens Design[M].3rd ed.New York:Marcel Dekker Inc.2001:124-126.

[13] HUA H,GAO C,BROWN L,et al.Engineering of head-mounted projective displays[J].Appl Opt,2000,39 (22):3814-3824.