• Chinese Journal of Lasers
  • Vol. 27, Issue 8, 677 (2000)
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
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  • [in Chinese]
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    [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Study of the Characteristics of Laser Diode with Fiber Bragg Grating External Cavity[J]. Chinese Journal of Lasers, 2000, 27(8): 677 Copy Citation Text show less

    Abstract

    A high power, narrow linewidth single frequency laser diode as one of the key elements of Integrated Optical Rotation Sensor (IORS) is studied. Both theoretical analysis and experimental research show that in order to achieve 1°/h resolution for rotation sensing, a strong optical feedback fiber Bragg grating laser diode (FBG-LD) with linewidth less than 1 MHz is selected as a light source of IORS. The characteristics of FBG-LD with strong optical feedback is analyzed for ensuring high power, single longitudinal mode, and narrow linewidth operation. Especially, the influence of the residual reflectivity of the feedback face on the power of FBG-LD is presented, and the effect of the coupling efficiency to the linewidth of FBG-LD is emphasized in this paper. A high power, narrow linewidth single frequency FBG-LD is designed and developed. Furthermore, the FBG-LD is applied in the experimental setup of IORS. The measured finesse of the resonator coincides with the calculated value.
    [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Study of the Characteristics of Laser Diode with Fiber Bragg Grating External Cavity[J]. Chinese Journal of Lasers, 2000, 27(8): 677
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