[1] [1] Pepe F, Mayor M, Rupprecht G, et al.. HARPS: ESO's coming planet searcher. Chasing exoplanets with the La Silla 3.6-m telescope[J]. The Messenger, 2002, 110: 9-14.

[2] [2] Vogt S S, Allen S L, Bigelow B C, et al.. HIRES: The high-resolution echelle spectrometer on the Keck 10-m telescope[C]. SPIE, 1994, 2198: 362-375.

[3] [3] Halverson S, Roy A, Mahadevan S, et al.. An efficient, compact, and versatile fiber double scrambler for high precision radial velocity instruments[J]. The Astrophysical Journal, 2015, 806(1): 61-69.

[4] [4] Barnes S I, Mac Queen P J. A high-efficiency fibre double-scrambler prototype[C]. SPIE, 2010, 7735: 773567.

[5] [5] Yan L, Yao X S, Lin L, et al.. Improved beam uniformity in multimode fibers using piezoelectric-based spatial mode scrambling for medical applications[J]. Optical Engineering, 2008, 47(9): 090502.

[6] [6] Mahadevan S, Halverson S, Ramsey L, et al.. Suppression of fiber modal noise induced radial velocity errors for bright emission-line calibration sources[J]. The Astrophysical Journal, 2014, 786(1): 1-18.

[7] [7] Halverson S, Mahadevan S, Ramsey L, et al.. The habitable-zone planet finder calibration system[C]. SPIE, 2014, 9147: 91477Z.

[8] [8] Chazelas B, Pepe F, Wildi F, et al.. New scramblers for precision radial velocity: Square and octagonal fibers[C]. SPIE, 2010, 7739: 773947.

[9] [9] Chazelas B, Pepe F, Wildi F. Optical fibers for precise radial velocities: An update[C]. SPIE, 2012, 8450: 845013.

[10] [10] Spronck J F, Fischer D A, Kaplan Z A. Use and limitations of single- and multi-mode optical fibers for exoplanet detection[M]. Rijeka: InTech, 2011: 353-370.

[11] [11] Avila G, Singh P, Chazelas B. Results on fibre scrambling for high accuracy radial velocity measurements[C]. SPIE, 2010, 7735: 773588.

[12] [12] Spronck J, Kaplan Z, Fischer D, et al.. Extreme Doppler precision with octagonal fiber scramblers[C]. SPIE, 2012, 8446: 84468T.

[13] [13] Feger T, Brucalassi A, Grupp F U, et al.. A testbed for simultaneous measurement of fiber near and far-field for the evaluation of fiber scrambling properties[C]. SPIE, 2012, 8446: 844692.

[14] [14] Stürmer J, Stahl O, Schwab C, et al.. Building a fibre link for CARMENES[C]. SPIE, 2014, 9151: 915152.

[15] [15] Mu Dandan, Zhu Yongtian, Zhang Kai. Modulation of annular light distribution by mechanical fiber scrambler[J]. Journal of Applied Optics, 2012, 33(5): 996-1001.

[16] [16] Yang Cong, Han Jian, Wu Yuanjie, et al.. Theoretical and experimental study on suppression of speckle from a multimode optical fiber by dynamic scrambling[J]. Laser & Optoelectronics Progress, 2015, 52(9): 090602.

[17] [17] Wang Sen, Zhu Bing. Focal ratio degradation of large core spectrum light-transmitting optical fiber[J]. Opto-Electronic Engineering, 2011, 38(7): 17-24.

[18] [18] Liao Suying, Gong Mali. Analysis of mode evolution between straight and curved fiber transition in large mode area fibers[J]. Chinese J Lasers, 2013, 40(3): 0305006.