[1] Cheng H B, Feng Y P, Wang Y T. Research on free-form optics[J]. Laser & Optoelectronics Progress, 46, 17-22(2009).

[2] Shi H D, Zhang X, Li Y C et al. Analysis of the aberration properties of pupil off-axis freeform optical system[J]. Acta Optica Sinica, 37, 1208001(2017).

[3] Yu Q H. Design and testing of channel splitter based on optical free-from surface[J]. Acta Optica Sinica, 36, 0722005(2016).

[4] Garbusi E, Pruss C, Liesener J et al. New technique for flexible and rapid measurement of precision aspheres[C]. SPIE, 6616, 661629(2007).

[5] Shen H, Zhu R, Chen L et al. Assessment of optical freeform surface error in tilted-wave-interferometer by combining computer-generated wave method and retrace errors elimination algorithm[J]. Optical Engineering, 54, 074105(2015). http://proceedings.spiedigitallibrary.org/article.aspx?articleid=2422325&resultClick=1

[6] Shen H, Li J, Zhu R H et al. Design of non-null interferometer based on point source array for testing freeform surface[J]. Acta Optica Sinica, 33, 1222003(2013).

[7] Ji Y, Chung Y, Sprinzak D et al. An electronic Mach-Zehnder interferometer[J]. Nature, 422, 415-418(2003). http://www.nature.com/nature/journal/v422/n6930/pdf/nature01503.pdf

[8] Li J, Zhang X Q, Jia Y D. Design of spectrum measurement system based on Mach-Zehnder optical fiber interference[J]. Journal of Applied Optics, 38, 679-684(2017).

[9] Hao J J. Research of phase-shifting interferometry with wavelength[D]. Nanjing: Nanjing University of Science and Technology(2007).

[10] Zheng G Z. The optical fiber interferometer with PZT phase-shift controller[J]. Journal of Guangdong University of Technology, 19, 34-37(2002).

[11] Zhou X Y. Research on 0.6328 μm He-Ne laser and the excess fraction reduction method for method of large-scale absolute distance measurement[J]. China Measurement & Testing Technology, 29, 16-17(2003).

[12] Liang J. Research on multi-wavelength interferometer with 633 nm band He-Ne laser for absolute distance measurement[D]. Changsha: National University of Defense Technology(2010).

[13] Liu S J, Chang Y, Xiao Z G et al. Accurate calculation of spacing of F-P etalon under the multi-wavelength weighted regression[J]. Infrared and Laser Engineering, 40, 529-532(2011).

[14] Hua Q, Zhou W H, Ji R Y. Absolute distance measurement with multi-wavelength interferometric method of compensating for the refractive index of air[J]. Opto-Electronic Engineering, 40, 38-44(2013).

[15] Hu C. Automatic measurement of high-level gauge based on fractional legality[D]. Nanjing: Nanjing University of Science & Technology(2012).

[16] Shi L. Research of fiber interleaver based on the Mach-Zehnder interferometer[D]. Tianjin: Tianjin University(2003).

[17] Wei H M. Phase shift method to improve the measurement accuracy of interferometer[D]. Beijing: Graduate University of Chinese Academy of Sciences(2010).

[18] Du X Y, Su R T, Wang X L et al. Research on fiber laser performance working at different temperatures[J]. Chinese Journal of Lasers, 42, s102004(2015).

[19] Stahl H P. Aspheric surface testing techniques[C]. SPIE, 1332, 66-76(1990).