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1. 中国科学院研究生院 北京,100049
2. 中国科学院 激发态物理重点实验室 长春光学精密机械与物理研究所,吉林 长春,130033
3. 中国科学院 苏州生物医学工程技术研究所,江苏 苏州,215163
纸质出版日期:2011-10-22,
网络出版日期:2011-10-22,
收稿日期:2011-4-2,
修回日期:2011-5-30,
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杨晔, 刘云, 张金龙, 李再金, 单肖楠, 王立军. 850 nm高亮度近衍射极限锥形半导体激光器[J]. 发光学报, 2011,32(10): 1064-1068
YANG Ye, LIU Yun, ZHANG Jin-long, LI Zai-jin, SHAN Xiao-nan, WANG Li-jun. Near Diffraction Limit High-brightness 850 nm Tapered Laser Diodes[J]. Chinese Journal of Luminescence, 2011,32(10): 1064-1068
制备了具有低红暴优势的850 nm大功率高亮度锥形半导体激光器
获得了近衍射极限的激光输出。当连续输出功率为200 mW时
光束质量因子M
2
仅为1.7
亮度高达16.3 MWcm
-2
sr
-1
;当功率提高到1 W时
M
2
因子和亮度仍分别达到2.8和9.9 MWcm
-2
sr
-1
。此外
研究了锥形激光器的功率、光谱、远场分布等特性
并分析了不同脊形波导长度对锥形激光器自聚焦现象的影响。
High-power high-brightness tapered laser diodes emitting at 850 nm have been manufactured
and the beam quality of near diffraction limit has been achieved. The beam propagation factor
M
2
is only 1.7 and the high brightness is up to 16.3 MWcm
-2
sr
-1
when the output power is 200 mW
and the values change to 2.8 and 9.9 MWcm
-2
sr
-1
under 1 W output. The electro-optical properties of tapered lasers are discussed. We have also studied the influence of tapered section length on output power. The results reported in this paper may become a step forward to new applications of tapered laser diodes.
850 nm锥形激光器高亮度光束质量因子M2
850 nmtapered laser diodehigh brightnessthe beam propagation factor M2
Liang Xuemei, Lv Jinka, Cheng Liwen, et al. Structural design of vertical-external-cavity surface-emitting semiconductor laser with 920 nm [J]. Chin. J. Lumin. (发光学报), 2010, 31 (1):79-84 (in English).[2] Cheng Liwen, Liang Xuemei, Qin Li, et al. Theoretical analysis of key parameters of 980 nm optically pumped semiconductor vertical external cavity surface emitting laser [J]. Chin. J. Lumin. (发光学报), 2008, 29 (4):713-715 (in Chinese).[3] Liu Yun, Liao Xinsheng, Qin Li, et al. Oxygen-free copper microchannel heat sink of high power semiconductor laser [J]. Chin. J. Lumin. (发光学报), 2005, 26 (1):109-114 (in Chinese).[4] Zhu Liyan, Fu Xiuhua. The technical development of the 850 nm high-luminance semiconductor laser's film [J]. Journal of Changchun University of Science and Technology (长春理工大学学报), 2007, 30 (1):18-20 (in Chinese).[5] Qu Zhou, Liu Yang, Liu Bo. High power semiconductor laser and its applications in military [J]. OME Information (光机电信息), 2006(1):52-55 (in Chinese).[6] Dittmar F, Klehr A, Sumpf B, et al. 9 W output power from an 808 nm tapered diode laser in pulse mode operation with nearly diffraction-limited beam quality [J]. IEEE Quantum Electronics, 2007, 13 (5):1194-1199.[7] Kelemen M T, Weber J, Bihlmann G, et al. Tapered diode lasers at 976 nm with 8 W nearly diffraction limited output power [J]. Electronics Letters, 2005, 41 (18):1011-1013.[8] Hocker G B, Burns W K. Mode dispersion in diffused channel waveguides by the effective index method [J]. Applied Optics, 1977, 16 (1):113-118.[9] Burns W K, Milton A F, Lee A B. Optical waveguide parabolic coupling horns [J]. Appl. Phys. Lett., 1977, 30 (1):28-30.[10] Walpole J N, Kintzer E S, Chinn S R, et al. High-power strained-layer InGaAs/AlGaAs tapered traveling wave amplifier [J]. Appl. Phys. Lett., 1992, 61 (7):740-742.[11] Goldberg L, Surette M, Mehuys D. Filament formation in a tapered GaAlAs optical amplifier [J]. Appl. Phys. Lett.,1993, 62 (19):2304-2306.
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