研制了一台结构紧凑的窄线宽、可调谐半导体激光器.采用光栅外腔Littrow结构,将光栅和平面反射镜置于同一个旋转平台上,并使光栅衍射平面和平面镜反射平面的交线与平台旋转轴重合,通过旋转平台实现光栅外腔选取单纵模、压窄线宽和波长调谐,并保证输出光的方位不发生改变,同时用棱镜将输出光斑压缩成为类方形.该激光器的尺寸为110 mm×80 mm×35 mm,中心输出波长为653 nm,谱宽0.07 nm,调谐范围4.6 nm,可连续稳定运转4小时以上.
参考文献
| [1] | Menager L, et al. Diode Laser extended cavity for broad-range fast ramping [J]. Optical Society of America 2000. |
| [2] | Dai Wutao, Guo Shuguang, Fan Yaxian, et al. External cavity semiconductor laser with grating feedback for real-time Raman spectrum analyzer [J]. Journal of Optoelectronics and Laser, 2001, 12(11): 1112-1115. |
| [3] | Pan Mingwei, Gray G R, Smith L M, et al. Fiber-coupled High-power external-cavity semiconductor lasers for real-time Raman sensing [J]. Appl. Opt., 1998, 37(24): 5755-5759. |
| [4] | An Honglin, Lin Xiangzhi, Yan Hong, et al. Fiber grating external cavity semiconductor laser with strong optical feedback [J]. Acta Optical Sinica (光学学报), 1997, 17(12): 1609-1613 (in Chinese). |
| [5] | Chai Yanjie, Zhang Hanyi, Zhou Bingkun. Linewidth performance analysis of semiconductor lasers with strong feedback external cavity [J]. Chinese Journal of Semiconductors (半导体学报), 1995, 16(12): 885-889 (in Chinese). |
| [6] | Harvey KC, Myatt C J. External-cavity diode laser using a grazing-incidence diffraction grating [J]. Opt. Lett.,1991, 16(12): 910-912. |
| [7] | Boggs B, Greiner C, Wang T, et al. Simple high-coherence rapidly tunable external-cavity diode laser [J]. Opt.Lett., 1998, 23(24): 1906-1908. |
| [8] | Agrawal G P. Line narrowing in a single-mode in injection laser diode to external optical feedback [J]. IEEE J.Quant. Elrecron., 1984, QE-20(5): 468-471. |
| [9] | Zhang Hanyi, Pan Zhongqi, Yang Jinqiang, et al. Semiconductor lasers with tunable narrow-linewidth singlelongitudinal mode external cavity [J]. Physics, 1995, 24: 429-432. |
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