Abstract

The stray radiation suppression in Cassegrain family optical system is presented. The design method for ultra-short outer baffle with honeycomb structure is proposed. Meanwhile the constraint formulas for designing the geometries of primary baffle and secondary baffle are deduced when basing the characteristic and taking vignette into account. According to the ray trace simulated data, the point source transmittance values of the baffle are less than 10-10 when incident angles are larger than the rejection angle. The honeycomb-look front baffle guarantees a comparable performance of stray light suppression with traditional tube baffle, while reducing the size greatly.

© 2014 Chinese Optics Letters

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References

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2013 (1)

2012 (2)

B. Mu, H. Liu, H. Jin, X. Yang, F. Wang, W. Li, H. Chen, and Z. Wang, Chin. Opt. Lett. 10, 103401 (2012).

X. Chen, C. Sun, and X. L. Xia, Acta Photon. Sin. (in Chinese) 41, 353 (2012).

2002 (1)

N. Song, Z. Yin, and F. Hu, Opt. Eng. 41, 2353 (2002).

2001 (1)

V. Y. Terebizh, Exp. Astron. 11, 171 (2001).

1992 (1)

1984 (1)

G. C. Kung, Proc. SPIE 0511, 44 (1984).

1968 (1)

1967 (1)

Chen, H.

Chen, X.

X. Chen, C. Sun, and X. L. Xia, Acta Photon. Sin. (in Chinese) 41, 353 (2012).

Gao, Z.

Hales, W. L.

Hu, F.

N. Song, Z. Yin, and F. Hu, Opt. Eng. 41, 2353 (2002).

Jin, H.

Kung, G. C.

G. C. Kung, Proc. SPIE 0511, 44 (1984).

Li, W.

Liu, H.

Mu, B.

Prescott, R.

Qin, Z.

Song, N.

N. Song, Z. Yin, and F. Hu, Opt. Eng. 41, 2353 (2002).

Sun, C.

X. Chen, C. Sun, and X. L. Xia, Acta Photon. Sin. (in Chinese) 41, 353 (2012).

Terebizh, V. Y.

V. Y. Terebizh, Exp. Astron. 11, 171 (2001).

Wang, F.

Wang, Q.

Wang, Z.

Xia, X. L.

X. Chen, C. Sun, and X. L. Xia, Acta Photon. Sin. (in Chinese) 41, 353 (2012).

Yang, X.

Ye, H.

Yin, Z.

N. Song, Z. Yin, and F. Hu, Opt. Eng. 41, 2353 (2002).

Young, A. T.

Acta Photon. Sin. (in Chinese) (1)

X. Chen, C. Sun, and X. L. Xia, Acta Photon. Sin. (in Chinese) 41, 353 (2012).

Appl. Opt. (3)

Chin. Opt. Lett. (2)

Exp. Astron. (1)

V. Y. Terebizh, Exp. Astron. 11, 171 (2001).

Opt. Eng. (1)

N. Song, Z. Yin, and F. Hu, Opt. Eng. 41, 2353 (2002).

Proc. SPIE (1)

G. C. Kung, Proc. SPIE 0511, 44 (1984).

Other (7)

C. F. Ho and S. T. Chang, in Proceedings of International Conference on Optical Instrumentation and Technology 75061S (2009).

M. A. Gauvin and E. R. Freniere, "Reducing stray light in Opto-Mechanical Systems", http://boojum.as.arizona. edu/~jill/MAESTRO/References/stray light paper.Pdf.

B. Outram, OPTI 521-Optomechanical Engineering (2009).

K. E. Moore and T. Valente, in Proceedings of 33rd Annual Techincal Symposium 228 (1989).

H. G. J. Rutten and M. A. M. van Venrooij, Telescope Optics-Evaluation and Design (Willmann-Bell, Richmond, 1988).

R. N. Wilson, Reflecting Telescope Optics I (Springer, Berlin, 1996).

R. N. Wilson, Reflecting Telescope Optics II (Springer, Berlin, 1999).

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