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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 12, Iss. 7 — Jul. 1, 2014
  • pp: 072901–

Design of CASSEGRAIN telescope baffles with honeycomb entrance

Xiaodong Hu, Weike Wang, Qiang Hu, Xing Lei, Qing Wei, Yuanzheng Liu, and Jiliang Wang  »View Author Affiliations


Chinese Optics Letters, Vol. 12, Issue 7, pp. 072901- (2014)


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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

OCIS Codes
(080.2720) Geometric optics : Mathematical methods (general)
(350.4600) Other areas of optics : Optical engineering
(290.2648) Scattering : Stray light

ToC Category:
Scattering

Citation
Xiaodong Hu, Weike Wang, Qiang Hu, Xing Lei, Qing Wei, Yuanzheng Liu, and Jiliang Wang, "Design of CASSEGRAIN telescope baffles with honeycomb entrance," Chin. Opt. Lett. 12, 072901- (2014)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-12-7-072901

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