Y. Dou, Q. Yuan, Z. Gao, H. Yin, L. Chen, Y. Yao, and J. Cheng, “Partial null astigmatism-compensated interferometry for a concave freeform Zernike mirror,” J. Opt. 20(6), 065702 (2018).

[Crossref]

K. Tong, Y. Zheng, Z. Zhang, X. Zhao, B. Zhang, L. Song, L. Wang, C. Wang, and P. Wu, “Model of radial basis functions based on surface slope for optical freeform surfaces,” Opt. Express 26(11), 14010–14023 (2018).

[Crossref]

T. Yang, D. Cheng, and Y. Wang, “Aberration analysis for freeform surface terms overlay on general decentered and tilted optical surfaces,” Opt. Express 26(6), 7751–7770 (2018).

[Crossref]

Z. Zhu, D. Ma, Q. Hu, Y. Tang, and R. Liang, “Catadioptric freeform optical system design for LED off-axis road illumination applications,” Opt. Express 26(2), A54–A65 (2018).

[Crossref]

J. Reimers, A. Bauer, K. P. Thompson, and J. P. Rolland, “Freeform spectrometer enabling increased compactness,” Light: Sci. Appl. 6(7), e17026 (2017).

[Crossref]

C. Liu, C. Straif, T. Flügel-Paul, U. D. Zeitner, and H. Gross, “Comparison of hyperspectral imaging spectrometer designs and the improvement of system performance with freeform surfaces,” Appl. Opt. 56(24), 6894–6901 (2017).

[Crossref]

Z. Li, F. Fang, X. Zhang, X. Liu, and H. Gao, “Highly efficient machining of non-circular freeform optics using fast tool servo assisted ultra-precision turning,” Opt. Express 25(21), 25243–25256 (2017).

[Crossref]

Z. Li, F. Fang, J. Chen, and X. Zhang, “Machining approach of freeform optics on infrared materials via ultra-precision turning,” Opt. Express 25(3), 2051–2062 (2017).

[Crossref]

J. Stock, A. Broemel, J. Hartung, D. Ochse, and H. Gross, “Description and reimplementation of real freeform surfaces,” Appl. Opt. 56(3), 391–396 (2017).

[Crossref]

M. Maksimovic, “Optical design and tolerancing of freeform surfaces using anisotropic radial basis functions,” Opt. Eng. 55(7), 071203 (2016).

[Crossref]

Q. Meng, H. Wang, K. Wang, Y. Wang, Z. Ji, and D. Wang, “Off-axis three-mirror freeform telescope with a large linear field of view based on an integration mirror,” Appl. Opt. 55(32), 8962–8970 (2016).

[Crossref]

J. Zhu, W. Hou, X. Zhang, and G. Jin, “Design of a low F-number freeform off-axis three-mirror system with rectangular field-of-view,” J. Opt. 17(1), 015605 (2015).

[Crossref]

A. Bauer and J. P. Rolland, “Design of a freeform electronic viewfinder coupled to aberration fields of freeform optics,” Opt. Express 23(22), 28141–28153 (2015).

[Crossref]

X. Hu and H. Hua, “Design and tolerance of a free-form optical system for an optical see-through multi-focal-plane display,” Appl. Opt. 54(33), 9990–9999 (2015).

[Crossref]

T. Blalock, K. Medicus, and J. D. Nelson, “Fabrication of Freeform Optics,” Proc. SPIE 9575, 95750H (2015).

[Crossref]

F. Zhang, “Fabrication and testing of optical free-form convex mirror,” Chin. Opt. Lett. 13(s1), S12202 (2015).

[Crossref]

M. Peloux and L. Berthelot, “Optimization of the optical performance of variable-power and astigmatism Alvarez lenses,” Appl. Opt. 53(29), 6670–6681 (2014).

[Crossref]

A. Bauer and J. P. Rolland, “Visual space assessment of two all-reflective, freeform, optical see-through head-worn displays,” Opt. Express 22(11), 13155–13163 (2014).

[Crossref]

K. Fuerschbach, K. P. Thompson, and J. P. Rolland, “Interferometric measurement of a concave, φ-polynomial, Zernike mirror,” Opt. Lett. 39(1), 18–21 (2014).

[Crossref]

Q. Meng, W. Wang, H. Ma, and J. Dong, “Easy-aligned off-axis three-mirror system with wide field of view using freeform surface based on integration of primary and tertiary mirror,” Appl. Opt. 53(14), 3028–3034 (2014).

[Crossref]

K. Fuerschbach, J. P. Rolland, and K. P. Thompson, “Theory of aberration fields for general optical systems with freeform surfaces,” Opt. Express 22(22), 26585–26606 (2014).

[Crossref]

R. Wu, L. Xu, P. Liu, Y. Zhang, Z. Zheng, H. Li, and X. Liu, “Freeform illumination design: a nonlinear boundary problem for the elliptic Monge–Ampére equation,” Opt. Lett. 38(2), 229–231 (2013).

[Crossref]

H. Hua, X. Hu, and C. Gao, “A high-resolution optical see-through head-mounted display with eyetracking capability,” Opt. Express 21(25), 30993–30998 (2013).

[Crossref]

Z. Feng, L. Huang, M. Gong, and G. Jin, “Beam shaping system design using double freeform optical surfaces,” Opt. Express 21(12), 14728–14735 (2013).

[Crossref]

F. Fang, X. Zhang, A. Weckenmann, G. Zhang, and C. Evans, “Manufacturing and measurement of freeform optics,” CIRP Ann. 62(2), 823–846 (2013).

[Crossref]

H. Li, X. Zhang, C. Wang, J. Zhang, L. Wang, and H. Qu, “Design of an off-axis helmet-mounted display with freeform surface described by radial basis functions,” Opt. Commun. 309, 121–126 (2013).

[Crossref]

A. M. Hoogstrate, C. V. Drunen, B. V. Venrooy, and R. Henselmans, “Manufacturing of high-precision aspherical and freeform optics,” Proc. SPIE 8450, 84502Q (2012).

[Crossref]

X. Zhang, L. Zheng, X. He, L. Wang, F. Zhang, S. Yu, G. Shi, B. Zhang, Q. Liu, and T. Wang, “Design and fabrication of imaging optical systems with freeform surfaces,” Proc. SPIE 8486, 848607 (2012).

[Crossref]

D. Cheng, Y. Wang, H. Hua, and M. M. Talha, “Design of an optical see-through head-mounted display with a low f-number and large field of view using a freeform prism,” Appl. Opt. 48(14), 2655–2668 (2009).

[Crossref]

S. Barbero, “The Alvarez and Lohmann refractive lenses revisited,” Opt. Express 17(11), 9376–9390 (2009).

[Crossref]

Z. Zheng, X. Hao, and X. Liu, “Freeform surface lens for LED uniform illumination,” Appl. Opt. 48(35), 6627–6634 (2009).

[Crossref]

C. R. Dunn and D. D. Walker, “Pseudo-random tool paths for CNC sub-aperture polishing and other applications,” Opt. Express 16(23), 18942–18949 (2008).

[Crossref]

O. Cakmakci, S. Vo, H. Foroosh, and J. P. Rolland, “Application of radial basis functions to shape description in a dual-element off-axis magnifier,” Opt. Lett. 33(11), 1237–1239 (2008).

[Crossref]

O. Cakmakci, B. Moore, H. Foroosh, and J. P. Rolland, “Optimal local shape description for rotationally non-symmetric optical surface design and analysis,” Opt. Express 16(3), 1583–1589 (2008).

[Crossref]

J. Reimers, A. Bauer, K. P. Thompson, and J. P. Rolland, “Freeform spectrometer enabling increased compactness,” Light: Sci. Appl. 6(7), e17026 (2017).

[Crossref]

A. Bauer and J. P. Rolland, “Design of a freeform electronic viewfinder coupled to aberration fields of freeform optics,” Opt. Express 23(22), 28141–28153 (2015).

[Crossref]

A. Bauer and J. P. Rolland, “Visual space assessment of two all-reflective, freeform, optical see-through head-worn displays,” Opt. Express 22(11), 13155–13163 (2014).

[Crossref]

T. Blalock, K. Medicus, and J. D. Nelson, “Fabrication of Freeform Optics,” Proc. SPIE 9575, 95750H (2015).

[Crossref]

O. Cakmakci, B. Moore, H. Foroosh, and J. P. Rolland, “Optimal local shape description for rotationally non-symmetric optical surface design and analysis,” Opt. Express 16(3), 1583–1589 (2008).

[Crossref]

O. Cakmakci, S. Vo, H. Foroosh, and J. P. Rolland, “Application of radial basis functions to shape description in a dual-element off-axis magnifier,” Opt. Lett. 33(11), 1237–1239 (2008).

[Crossref]

Y. Dou, Q. Yuan, Z. Gao, H. Yin, L. Chen, Y. Yao, and J. Cheng, “Partial null astigmatism-compensated interferometry for a concave freeform Zernike mirror,” J. Opt. 20(6), 065702 (2018).

[Crossref]

T. Yang, D. Cheng, and Y. Wang, “Aberration analysis for freeform surface terms overlay on general decentered and tilted optical surfaces,” Opt. Express 26(6), 7751–7770 (2018).

[Crossref]

D. Cheng, Y. Wang, H. Hua, and M. M. Talha, “Design of an optical see-through head-mounted display with a low f-number and large field of view using a freeform prism,” Appl. Opt. 48(14), 2655–2668 (2009).

[Crossref]

Y. Dou, Q. Yuan, Z. Gao, H. Yin, L. Chen, Y. Yao, and J. Cheng, “Partial null astigmatism-compensated interferometry for a concave freeform Zernike mirror,” J. Opt. 20(6), 065702 (2018).

[Crossref]

Y. Dou, Q. Yuan, Z. Gao, H. Yin, L. Chen, Y. Yao, and J. Cheng, “Partial null astigmatism-compensated interferometry for a concave freeform Zernike mirror,” J. Opt. 20(6), 065702 (2018).

[Crossref]

A. M. Hoogstrate, C. V. Drunen, B. V. Venrooy, and R. Henselmans, “Manufacturing of high-precision aspherical and freeform optics,” Proc. SPIE 8450, 84502Q (2012).

[Crossref]

F. Fang, X. Zhang, A. Weckenmann, G. Zhang, and C. Evans, “Manufacturing and measurement of freeform optics,” CIRP Ann. 62(2), 823–846 (2013).

[Crossref]

Z. Li, F. Fang, X. Zhang, X. Liu, and H. Gao, “Highly efficient machining of non-circular freeform optics using fast tool servo assisted ultra-precision turning,” Opt. Express 25(21), 25243–25256 (2017).

[Crossref]

Z. Li, F. Fang, J. Chen, and X. Zhang, “Machining approach of freeform optics on infrared materials via ultra-precision turning,” Opt. Express 25(3), 2051–2062 (2017).

[Crossref]

F. Fang, X. Zhang, A. Weckenmann, G. Zhang, and C. Evans, “Manufacturing and measurement of freeform optics,” CIRP Ann. 62(2), 823–846 (2013).

[Crossref]

O. Cakmakci, B. Moore, H. Foroosh, and J. P. Rolland, “Optimal local shape description for rotationally non-symmetric optical surface design and analysis,” Opt. Express 16(3), 1583–1589 (2008).

[Crossref]

O. Cakmakci, S. Vo, H. Foroosh, and J. P. Rolland, “Application of radial basis functions to shape description in a dual-element off-axis magnifier,” Opt. Lett. 33(11), 1237–1239 (2008).

[Crossref]

K. Fuerschbach, K. P. Thompson, and J. P. Rolland, “Interferometric measurement of a concave, φ-polynomial, Zernike mirror,” Opt. Lett. 39(1), 18–21 (2014).

[Crossref]

K. Fuerschbach, J. P. Rolland, and K. P. Thompson, “Theory of aberration fields for general optical systems with freeform surfaces,” Opt. Express 22(22), 26585–26606 (2014).

[Crossref]

Y. Dou, Q. Yuan, Z. Gao, H. Yin, L. Chen, Y. Yao, and J. Cheng, “Partial null astigmatism-compensated interferometry for a concave freeform Zernike mirror,” J. Opt. 20(6), 065702 (2018).

[Crossref]

C. Liu, C. Straif, T. Flügel-Paul, U. D. Zeitner, and H. Gross, “Comparison of hyperspectral imaging spectrometer designs and the improvement of system performance with freeform surfaces,” Appl. Opt. 56(24), 6894–6901 (2017).

[Crossref]

J. Stock, A. Broemel, J. Hartung, D. Ochse, and H. Gross, “Description and reimplementation of real freeform surfaces,” Appl. Opt. 56(3), 391–396 (2017).

[Crossref]

X. Zhang, L. Zheng, X. He, L. Wang, F. Zhang, S. Yu, G. Shi, B. Zhang, Q. Liu, and T. Wang, “Design and fabrication of imaging optical systems with freeform surfaces,” Proc. SPIE 8486, 848607 (2012).

[Crossref]

A. M. Hoogstrate, C. V. Drunen, B. V. Venrooy, and R. Henselmans, “Manufacturing of high-precision aspherical and freeform optics,” Proc. SPIE 8450, 84502Q (2012).

[Crossref]

A. M. Hoogstrate, C. V. Drunen, B. V. Venrooy, and R. Henselmans, “Manufacturing of high-precision aspherical and freeform optics,” Proc. SPIE 8450, 84502Q (2012).

[Crossref]

J. Zhu, W. Hou, X. Zhang, and G. Jin, “Design of a low F-number freeform off-axis three-mirror system with rectangular field-of-view,” J. Opt. 17(1), 015605 (2015).

[Crossref]

X. Hu and H. Hua, “Design and tolerance of a free-form optical system for an optical see-through multi-focal-plane display,” Appl. Opt. 54(33), 9990–9999 (2015).

[Crossref]

H. Hua, X. Hu, and C. Gao, “A high-resolution optical see-through head-mounted display with eyetracking capability,” Opt. Express 21(25), 30993–30998 (2013).

[Crossref]

D. Cheng, Y. Wang, H. Hua, and M. M. Talha, “Design of an optical see-through head-mounted display with a low f-number and large field of view using a freeform prism,” Appl. Opt. 48(14), 2655–2668 (2009).

[Crossref]

J. Zhu, W. Hou, X. Zhang, and G. Jin, “Design of a low F-number freeform off-axis three-mirror system with rectangular field-of-view,” J. Opt. 17(1), 015605 (2015).

[Crossref]

Z. Feng, L. Huang, M. Gong, and G. Jin, “Beam shaping system design using double freeform optical surfaces,” Opt. Express 21(12), 14728–14735 (2013).

[Crossref]

R. Wu, L. Xu, P. Liu, Y. Zhang, Z. Zheng, H. Li, and X. Liu, “Freeform illumination design: a nonlinear boundary problem for the elliptic Monge–Ampére equation,” Opt. Lett. 38(2), 229–231 (2013).

[Crossref]

H. Li, X. Zhang, C. Wang, J. Zhang, L. Wang, and H. Qu, “Design of an off-axis helmet-mounted display with freeform surface described by radial basis functions,” Opt. Commun. 309, 121–126 (2013).

[Crossref]

Z. Zheng, X. Liu, H. Li, and L. Xu, “Design and fabrication of an off-axis see-through head-mounted display with an x–y polynomial surface,” Appl. Opt. 49(19), 3661–3668 (2010).

[Crossref]

Z. Li, F. Fang, X. Zhang, X. Liu, and H. Gao, “Highly efficient machining of non-circular freeform optics using fast tool servo assisted ultra-precision turning,” Opt. Express 25(21), 25243–25256 (2017).

[Crossref]

Z. Li, F. Fang, J. Chen, and X. Zhang, “Machining approach of freeform optics on infrared materials via ultra-precision turning,” Opt. Express 25(3), 2051–2062 (2017).

[Crossref]

X. Zhang, L. Zheng, X. He, L. Wang, F. Zhang, S. Yu, G. Shi, B. Zhang, Q. Liu, and T. Wang, “Design and fabrication of imaging optical systems with freeform surfaces,” Proc. SPIE 8486, 848607 (2012).

[Crossref]

Z. Li, F. Fang, X. Zhang, X. Liu, and H. Gao, “Highly efficient machining of non-circular freeform optics using fast tool servo assisted ultra-precision turning,” Opt. Express 25(21), 25243–25256 (2017).

[Crossref]

R. Wu, L. Xu, P. Liu, Y. Zhang, Z. Zheng, H. Li, and X. Liu, “Freeform illumination design: a nonlinear boundary problem for the elliptic Monge–Ampére equation,” Opt. Lett. 38(2), 229–231 (2013).

[Crossref]

Z. Zheng, X. Liu, H. Li, and L. Xu, “Design and fabrication of an off-axis see-through head-mounted display with an x–y polynomial surface,” Appl. Opt. 49(19), 3661–3668 (2010).

[Crossref]

Z. Zheng, X. Hao, and X. Liu, “Freeform surface lens for LED uniform illumination,” Appl. Opt. 48(35), 6627–6634 (2009).

[Crossref]

M. Maksimovic, “Optical design and tolerancing of freeform surfaces using anisotropic radial basis functions,” Opt. Eng. 55(7), 071203 (2016).

[Crossref]

T. Blalock, K. Medicus, and J. D. Nelson, “Fabrication of Freeform Optics,” Proc. SPIE 9575, 95750H (2015).

[Crossref]

Q. Meng, H. Wang, K. Wang, Y. Wang, Z. Ji, and D. Wang, “Off-axis three-mirror freeform telescope with a large linear field of view based on an integration mirror,” Appl. Opt. 55(32), 8962–8970 (2016).

[Crossref]

Q. Meng, W. Wang, H. Ma, and J. Dong, “Easy-aligned off-axis three-mirror system with wide field of view using freeform surface based on integration of primary and tertiary mirror,” Appl. Opt. 53(14), 3028–3034 (2014).

[Crossref]

T. Blalock, K. Medicus, and J. D. Nelson, “Fabrication of Freeform Optics,” Proc. SPIE 9575, 95750H (2015).

[Crossref]

H. Li, X. Zhang, C. Wang, J. Zhang, L. Wang, and H. Qu, “Design of an off-axis helmet-mounted display with freeform surface described by radial basis functions,” Opt. Commun. 309, 121–126 (2013).

[Crossref]

J. Reimers, A. Bauer, K. P. Thompson, and J. P. Rolland, “Freeform spectrometer enabling increased compactness,” Light: Sci. Appl. 6(7), e17026 (2017).

[Crossref]

J. Reimers, A. Bauer, K. P. Thompson, and J. P. Rolland, “Freeform spectrometer enabling increased compactness,” Light: Sci. Appl. 6(7), e17026 (2017).

[Crossref]

A. Bauer and J. P. Rolland, “Design of a freeform electronic viewfinder coupled to aberration fields of freeform optics,” Opt. Express 23(22), 28141–28153 (2015).

[Crossref]

A. Bauer and J. P. Rolland, “Visual space assessment of two all-reflective, freeform, optical see-through head-worn displays,” Opt. Express 22(11), 13155–13163 (2014).

[Crossref]

K. Fuerschbach, K. P. Thompson, and J. P. Rolland, “Interferometric measurement of a concave, φ-polynomial, Zernike mirror,” Opt. Lett. 39(1), 18–21 (2014).

[Crossref]

K. Fuerschbach, J. P. Rolland, and K. P. Thompson, “Theory of aberration fields for general optical systems with freeform surfaces,” Opt. Express 22(22), 26585–26606 (2014).

[Crossref]

O. Cakmakci, B. Moore, H. Foroosh, and J. P. Rolland, “Optimal local shape description for rotationally non-symmetric optical surface design and analysis,” Opt. Express 16(3), 1583–1589 (2008).

[Crossref]

O. Cakmakci, S. Vo, H. Foroosh, and J. P. Rolland, “Application of radial basis functions to shape description in a dual-element off-axis magnifier,” Opt. Lett. 33(11), 1237–1239 (2008).

[Crossref]

X. Zhang, L. Zheng, X. He, L. Wang, F. Zhang, S. Yu, G. Shi, B. Zhang, Q. Liu, and T. Wang, “Design and fabrication of imaging optical systems with freeform surfaces,” Proc. SPIE 8486, 848607 (2012).

[Crossref]

K. Tong, Y. Zheng, Z. Zhang, X. Zhao, B. Zhang, L. Song, L. Wang, C. Wang, and P. Wu, “Model of radial basis functions based on surface slope for optical freeform surfaces,” Opt. Express 26(11), 14010–14023 (2018).

[Crossref]

J. Reimers, A. Bauer, K. P. Thompson, and J. P. Rolland, “Freeform spectrometer enabling increased compactness,” Light: Sci. Appl. 6(7), e17026 (2017).

[Crossref]

K. Fuerschbach, K. P. Thompson, and J. P. Rolland, “Interferometric measurement of a concave, φ-polynomial, Zernike mirror,” Opt. Lett. 39(1), 18–21 (2014).

[Crossref]

K. Fuerschbach, J. P. Rolland, and K. P. Thompson, “Theory of aberration fields for general optical systems with freeform surfaces,” Opt. Express 22(22), 26585–26606 (2014).

[Crossref]

K. Tong, Y. Zheng, Z. Zhang, X. Zhao, B. Zhang, L. Song, L. Wang, C. Wang, and P. Wu, “Model of radial basis functions based on surface slope for optical freeform surfaces,” Opt. Express 26(11), 14010–14023 (2018).

[Crossref]

A. M. Hoogstrate, C. V. Drunen, B. V. Venrooy, and R. Henselmans, “Manufacturing of high-precision aspherical and freeform optics,” Proc. SPIE 8450, 84502Q (2012).

[Crossref]

K. Tong, Y. Zheng, Z. Zhang, X. Zhao, B. Zhang, L. Song, L. Wang, C. Wang, and P. Wu, “Model of radial basis functions based on surface slope for optical freeform surfaces,” Opt. Express 26(11), 14010–14023 (2018).

[Crossref]

H. Li, X. Zhang, C. Wang, J. Zhang, L. Wang, and H. Qu, “Design of an off-axis helmet-mounted display with freeform surface described by radial basis functions,” Opt. Commun. 309, 121–126 (2013).

[Crossref]

K. Tong, Y. Zheng, Z. Zhang, X. Zhao, B. Zhang, L. Song, L. Wang, C. Wang, and P. Wu, “Model of radial basis functions based on surface slope for optical freeform surfaces,” Opt. Express 26(11), 14010–14023 (2018).

[Crossref]

H. Li, X. Zhang, C. Wang, J. Zhang, L. Wang, and H. Qu, “Design of an off-axis helmet-mounted display with freeform surface described by radial basis functions,” Opt. Commun. 309, 121–126 (2013).

[Crossref]

X. Zhang, L. Zheng, X. He, L. Wang, F. Zhang, S. Yu, G. Shi, B. Zhang, Q. Liu, and T. Wang, “Design and fabrication of imaging optical systems with freeform surfaces,” Proc. SPIE 8486, 848607 (2012).

[Crossref]

X. Zhang, L. Zheng, X. He, L. Wang, F. Zhang, S. Yu, G. Shi, B. Zhang, Q. Liu, and T. Wang, “Design and fabrication of imaging optical systems with freeform surfaces,” Proc. SPIE 8486, 848607 (2012).

[Crossref]

T. Yang, D. Cheng, and Y. Wang, “Aberration analysis for freeform surface terms overlay on general decentered and tilted optical surfaces,” Opt. Express 26(6), 7751–7770 (2018).

[Crossref]

Q. Meng, H. Wang, K. Wang, Y. Wang, Z. Ji, and D. Wang, “Off-axis three-mirror freeform telescope with a large linear field of view based on an integration mirror,” Appl. Opt. 55(32), 8962–8970 (2016).

[Crossref]

D. Cheng, Y. Wang, H. Hua, and M. M. Talha, “Design of an optical see-through head-mounted display with a low f-number and large field of view using a freeform prism,” Appl. Opt. 48(14), 2655–2668 (2009).

[Crossref]

F. Fang, X. Zhang, A. Weckenmann, G. Zhang, and C. Evans, “Manufacturing and measurement of freeform optics,” CIRP Ann. 62(2), 823–846 (2013).

[Crossref]

K. Tong, Y. Zheng, Z. Zhang, X. Zhao, B. Zhang, L. Song, L. Wang, C. Wang, and P. Wu, “Model of radial basis functions based on surface slope for optical freeform surfaces,” Opt. Express 26(11), 14010–14023 (2018).

[Crossref]

R. Wu, L. Xu, P. Liu, Y. Zhang, Z. Zheng, H. Li, and X. Liu, “Freeform illumination design: a nonlinear boundary problem for the elliptic Monge–Ampére equation,” Opt. Lett. 38(2), 229–231 (2013).

[Crossref]

Z. Zheng, X. Liu, H. Li, and L. Xu, “Design and fabrication of an off-axis see-through head-mounted display with an x–y polynomial surface,” Appl. Opt. 49(19), 3661–3668 (2010).

[Crossref]

Y. Dou, Q. Yuan, Z. Gao, H. Yin, L. Chen, Y. Yao, and J. Cheng, “Partial null astigmatism-compensated interferometry for a concave freeform Zernike mirror,” J. Opt. 20(6), 065702 (2018).

[Crossref]

Y. Dou, Q. Yuan, Z. Gao, H. Yin, L. Chen, Y. Yao, and J. Cheng, “Partial null astigmatism-compensated interferometry for a concave freeform Zernike mirror,” J. Opt. 20(6), 065702 (2018).

[Crossref]

X. Zhang, L. Zheng, X. He, L. Wang, F. Zhang, S. Yu, G. Shi, B. Zhang, Q. Liu, and T. Wang, “Design and fabrication of imaging optical systems with freeform surfaces,” Proc. SPIE 8486, 848607 (2012).

[Crossref]

Y. Dou, Q. Yuan, Z. Gao, H. Yin, L. Chen, Y. Yao, and J. Cheng, “Partial null astigmatism-compensated interferometry for a concave freeform Zernike mirror,” J. Opt. 20(6), 065702 (2018).

[Crossref]

K. Tong, Y. Zheng, Z. Zhang, X. Zhao, B. Zhang, L. Song, L. Wang, C. Wang, and P. Wu, “Model of radial basis functions based on surface slope for optical freeform surfaces,” Opt. Express 26(11), 14010–14023 (2018).

[Crossref]

X. Zhang, L. Zheng, X. He, L. Wang, F. Zhang, S. Yu, G. Shi, B. Zhang, Q. Liu, and T. Wang, “Design and fabrication of imaging optical systems with freeform surfaces,” Proc. SPIE 8486, 848607 (2012).

[Crossref]

F. Zhang, “Fabrication and testing of optical free-form convex mirror,” Chin. Opt. Lett. 13(s1), S12202 (2015).

[Crossref]

X. Zhang, L. Zheng, X. He, L. Wang, F. Zhang, S. Yu, G. Shi, B. Zhang, Q. Liu, and T. Wang, “Design and fabrication of imaging optical systems with freeform surfaces,” Proc. SPIE 8486, 848607 (2012).

[Crossref]

F. Fang, X. Zhang, A. Weckenmann, G. Zhang, and C. Evans, “Manufacturing and measurement of freeform optics,” CIRP Ann. 62(2), 823–846 (2013).

[Crossref]

H. Li, X. Zhang, C. Wang, J. Zhang, L. Wang, and H. Qu, “Design of an off-axis helmet-mounted display with freeform surface described by radial basis functions,” Opt. Commun. 309, 121–126 (2013).

[Crossref]

Z. Li, F. Fang, J. Chen, and X. Zhang, “Machining approach of freeform optics on infrared materials via ultra-precision turning,” Opt. Express 25(3), 2051–2062 (2017).

[Crossref]

Z. Li, F. Fang, X. Zhang, X. Liu, and H. Gao, “Highly efficient machining of non-circular freeform optics using fast tool servo assisted ultra-precision turning,” Opt. Express 25(21), 25243–25256 (2017).

[Crossref]

J. Zhu, W. Hou, X. Zhang, and G. Jin, “Design of a low F-number freeform off-axis three-mirror system with rectangular field-of-view,” J. Opt. 17(1), 015605 (2015).

[Crossref]

F. Fang, X. Zhang, A. Weckenmann, G. Zhang, and C. Evans, “Manufacturing and measurement of freeform optics,” CIRP Ann. 62(2), 823–846 (2013).

[Crossref]

H. Li, X. Zhang, C. Wang, J. Zhang, L. Wang, and H. Qu, “Design of an off-axis helmet-mounted display with freeform surface described by radial basis functions,” Opt. Commun. 309, 121–126 (2013).

[Crossref]

X. Zhang, L. Zheng, X. He, L. Wang, F. Zhang, S. Yu, G. Shi, B. Zhang, Q. Liu, and T. Wang, “Design and fabrication of imaging optical systems with freeform surfaces,” Proc. SPIE 8486, 848607 (2012).

[Crossref]

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