[1] SNOW J W. An overview of fiber optic rotary joint technology and recent advances[A]. Proceedings of the IFAC workshop on space robotics[C].IFAC Space Robotics, St-Hubert, Quebec, Canada.: Elsevier Science, 1998.77-82.
[2] JOHANSSON M, HARD S. Design, fabrication, and evaluation of a multi channel diffractive optic rotary joint[J]. Applied Optics, 1999, 38(8): 1302-1310.
[3] SVECHNIKOV G S, SHAPAR V N. Multi channel optical rotary connector for non-contact transfer of data signals between relatively moving bodies[J]. SPIE, 1991, 1580: 391-394.
[4] George S. Svechnikov, Vladimir N. Shapar. Optical rotary connector for transfer of data signals from fiber optic sensors placing on rotary objects[J]. SPIE, 1991, 1589: 24-31.
[5] SPENCER W W, OLIVE J B. Multiple pass optical rotary joint[P]. U.S Patent: 4725116, 1988-02-12.
[6] WOODSIDE S H, SACKVILLE L. In-line, two-pass, fiber optic rotary joint [P]. U.S, Patent: 5588077, 1996-10-24.
[7] DENG Yu-xiu, ZHOU Ge, LIU Wei, et al. Dual-channel fiber optic rotary joint of symmetrical optical system[J]. Journal of Opto-electronics . Laser, 2001, 12(8): 792-794. (in Chinese)
[8] PALAIS J C. Fiber coupling using graded index rod lenses[J]. Applied optics, 1980, 19(12): 2011-2018.
[9] GILSDORT R W, PALAIS J C. Single- mode fiber coupling efficiency with graded-index rod lenses[J]. Applied Optics,1994, 33(16): 3440-3445.