[1] Huang C P, Nathel H, Asaki M T et al. 17-fs pulses from a self-mode-locked Ti∶sapphire laser[J]. Optics Letters, 17, 1289-1291(1992). http://www.ncbi.nlm.nih.gov/pubmed/19798160

[2] Zhang B H, Xu J, Yang Q H et al. New progress of ultrafast and ultraintense lasers based on Ti∶sapphire[J]. Laser & Optoelectronics Progress, 50, 040003(2013).

[3] Nisoli M, de Silvestri S, Svelto O et al. . Compression of high-energy laser pulses below 5 fs[J]. Optics Letters, 22, 522-524(1997). http://www.ncbi.nlm.nih.gov/pubmed/18183254

[4] Liu J, Wang Y Z, Zhao R R et al. Low vibration and high dispersion mirror pair in femtosecond pulsed Ti∶sapphire laser[J]. Chinese Journal of Lasers, 45, 1003001(2018).

[5] Zhang L P, Yin G L, Li F Q et al. All-solid-state tunable Ti∶sapphire laser with high-power and single-frequency at 900 nm[J]. Chinese Journal of Lasers, 44, 1201002(2017).

[6] Morgner U, Kärtner F X, Cho S H et al. Sub-two-cycle pulses from a Kerr-lensmode-locked Ti∶sapphire laser[J]. Optics Letters, 24, 411-413(1999). http://www.ncbi.nlm.nih.gov/pubmed/18071523

[7] Su J, Jin P X, Wei Y X et al. Automatically and broadly tunable all-solid-state continuous single-frequency Ti∶sapphire laser[J]. Chinese Journal of Lasers, 44, 0701006(2017).

[8] Liao R, Wen J H, Liu Z G et al. Characterization of sub-10-fs KLM Ti∶sapphire laser[J]. Chinese Journal of Lasers, 29, 53-55(2002).

[9] Schaffers K I, Bayramian A J, Davis P J et al. Improved optical quality for Ti∶sapphire using MRF. [C]∥Advanced Solid-State Photonics 2008, January 27-30, 2008, Nara, Japan. Washington, D.C.: OSA, WE15(2008).

[10] Baisden P A, Atherton L J, Hawley R A et al. Large optics for the national ignition facility[J]. Fusion Science and Technology, 69, 295-351(2016). http://www.tandfonline.com/doi/abs/10.13182/FST15-143

[11] Liao W L, Dai Y F, Nie X Q et al. Rapid fabrication technique for nanometer-precision aspherical surfaces[J]. Applied Optics, 54, 1629-1638(2015). http://www.opticsinfobase.org/ao/upcoming_pdf.cfm?id=228230

[12] Wan L L, Dai P, Liu Z J et al. Research progress in ultra-precision lapping process of sapphire[J]. Ordnance Material Science and Engineering, 41, 115-123(2018).

[13] Geng Q D, Li C Y. Influence of ultrasonic polishing and magnetic abrasive finishing processing parameters on surface roughness of sapphire[J]. Surface Technology, 47, 104-111(2018).

[14] Zhang S K, Wang Q Y, Peng H S. Ti∶sapphire and ultrashort pulse lasers[J]. High Power Laser and Particle Beams, 9, 149-156(1997).

[15] Lan X J[M]. Laser technology, 138-140(2000).

[16] Wang J C, Deng Q F, Zhou Z Z et al. Review of the methods of surface damage inspection for grinded sapphire substrate[J]. Superhard Material Engineering, 23, 51-55(2011).

[17] Xu Y C, Lu J, Xu X P. Analysis of power spectrum and fractal characteristics of the surface topography of sapphire[J]. Superhard Material Engineering, 29, 56-60(2017).

[18] Yang X D. Study on pulse tuned Ti∶sapphire laser[D]. Harbin: Harbin Institute of Technology(2006).

[19] Guo P J, Yu J C, Ding Z Z et al. Absolute testing method of the homogeneity of optical glass[J]. Laser Journal, 24, 26-27(2003).

[20] de Vany A S. Using a Murty interferometer for testing the homogeneity of test samples of optical materials[J]. Applied Optics, 10, 1459-1460(1971). http://www.opticsinfobase.org/abstract.cfm?uri=ao-10-6-1459

[21] Ai C, Wyant J C. Measurement of the inhomogeneity of a window[J]. Optical Engineering, 30, 1399-1405(1991). http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=OPEGAR000030000009001399000001&idtype=cvips&gifs=Yes

[22] Yao C, Wang H, Zhang Z et al. Wavefront error modeling and control method for large aperture optical unit in high power solid-state laser[J]. Acta Optica Sinica, 37, 0714003(2017).

[23] Aikens D M, Wolfe C R, Lawson J K. Use of power spectral density (PSD) functions in specifying optics for the National Ignition Facility[J]. Proceedings of SPIE, 2576, 281-292(1995). http://spie.org/Publications/Proceedings/Paper/10.1117/12.215604

[24] Nie X Q, Li S Y, Shi F et al. Generalized numerical pressure distribution model for smoothing polishing of irregular midspatial frequency errors[J]. Applied Optics, 53, 1020-1027(2014). http://www.ncbi.nlm.nih.gov/pubmed/24663296

[25] Shu Y, Nie X, Shi F et al. Smoothing evolution model for computer controlled optical surfacing[J]. Journal of Optical Technology, 81, 164-167(2014). http://www.opticsinfobase.org/jot/abstract.cfm?uri=jot-81-3-164