[1] [1] PRINGSHEIM P.Zwei bemerkungen über den unterschied von lumineszenz-undtemperatur-strahlung[J].Z Physik,1929,57(8):739-746.

[2] [2] EPSTEIN R I,BUCHWALD M I,EDWARDS B C,et al.Observation of laser-induced fluorescent cooling of a solid[J].Nature,1995,377(12):500-503.

[3] [3] MUNGAN C E,BUCHWALD M I,EDWARDS B C,et al.Laser cooling of a solid by 16 K starting from room temperature[J].PhysicalReview Letters,1997,78(6):1030-1033.

[4] [4] BOWMAN S R,MUNGAN C E.New materials for optical cooling[J].Applied Physics B,2000,71(6):807-811.

[5] [5] XU T M,LI C F,ZHOU X,et al.Laser cooling using antistokes fluorescence in Yb3+-Doped fluorozirconate glass[J].Wuhan University Journal of Natural Sciences,2002,7(2):177-181.

[6] [6] YANG Yong-ming,WEN Jian-guo,WANG Shi-yu,et al.The thermal lens focus of the end-pumped Nd∶YAG laser[J].Acta Photonica Sinica,2005,34(12):1769-1772.

[7] [7] LI L,SHI P,TIAN L K,et al.Thermal deformation of a rectangle Nd-ion doped laser crystal by high power diode laser end-pumped[J].Acta Photonica Sinica,2006,35(4):499-503.

[8] [8] YANG Y M,ZHOU R,GUO Z,et al.End deformation's experiment and its computer mimic in LD end pumped Nd∶YAG crystal[J].Acta Photonica Sinica,2005,34(9):1297-1300.

[9] [9] BOWMAN S R.Lasers without internal heat generation[J].IEEE J Quantum Electron,1999,35(1):115-122.

[10] [10] BOWMAN S R,JENKINS N W,O'CONNOR S P,et al.Sensitivity and stability of a radiation-balanced laser system[J].IEEE J of Quantum Electronics,2002,38(10):1339-1348.

[11] [11] LI C,LIU Q,GONG M L,et al.Modeling of radiationbalanced continuous-wave laser oscillators[J].Journal of Optical Society of America B,2004,21(3):539-542.