[1] EHRENREICH T, LEVEILLE R, MAJID I,et al. 1-kW, all-glass Tm:fibre laser[C]. LASE, Fibre Lasers VII: Technology, Sysltems and Applications, SPIE Phtonics West 2010, 2010: 7850-112.
[2] CLARKSON W A, PEARSON L, ZHANG Z, et al. High power thulium doped fiber lasers[C]. Optical Fiber Communication Conference, OSA Technical Digest (CD), 2009: paper OWT1.
[3] GOODNO G D, BOOK L D, ROTHENBERG J E. Low phase-noise, single-frequency, single-mode 608 W thulium fiber amplifier[J]. Optics Letters, 2009, 34(8): 1204-1206.
[4] DAWSON J W, MESSERLY M J, BEACH R J,et al. Analysis of the scalability of diffraction-limited fiber lasers and amplifiers to high average power[J]. Optics Express, 2008, 16(17): 13240-13266.
[5] CLARKSON W A, HANNA D C. Two-mirror beam-shaping technique for high-power diode bars[J]. Optics Letters, 1996, 21(6): 375-377.
[6] TREUSCH H G, DU K, BAUMANN M, et al. Fiber-coupling technique for high-power diode laser arrays[C]. SPIE,1998, 3267: 98-106.
[7] WANG P Y, GHEEN A, WANG Z. Beam shaping technology for laser diode arrays[C]. SPIE , 2002, 4770: 131-135.
[8] GAO X, OHASHI H, OKAMOTO H,et al. Beam-shaping technique for improving the beam quality of a high-power laser-diode stack[J]. Optics Letters,2006, 31(11): 1654-1656.
[9] LAPOINTE M A, CHATIGNY S, PICHE M, et al. Thermal effects in high-power CW fiber lasers[C].SPIE, 2009, 7195: 71951U.
[10] WANG Y, XU C, PO H. Thermal effects in Kilowatt fiber lasers[J].IEEE Photonics Technology Letters, 2004 , 16(1): 63-65.
[11] RIPIN D J, GOLDBERG L. High efficiency side-coupling of light into optical fibres using imbedded v-grooves[J]. Electronics Letters,1995, 31(25): 2204-2205.
[12] YAN P, GONG M, LI C, et al. Distributed pumping multifiber series fiber Laser[J]. Optics Express, 2005, 13(7): 2699-2706.
[13] GRENIER P, TAILLON Y, WANG M, et al. Laser beam transformation technique for high-power laser diode linear arrays[C]. SPIE, 2006, 6104: 61040R.
[14] JACKSON S D, KING T A. Theoretical modeling of Tm-dopedsilica fiber lasers[J]. IEEE Journal of Lightwave Technology,1999, 17(5): 948-956.
[15] FRITH G, LANCASTER D G, JACKSON S D. 85W Tm3+-doped silica fibre laser[J]. Electronics Letters, 2005, 41(12): 1207-1208.
[16] JACKSON S D. The spectroscopic and energy transfer characteristics of the rare earth ions used for silicate glass fibre lasers operating in the short wave infrared laser[J]. Laser & Photonics Reviews, 2009, 3(5): 466-482.