Stray radiation analysis and suppression of composite optical system
Keywords:
Compound optical system, Optical spectrometer, Stray radiation analysisAbstract
Taking a dual-band spectrometer as an instance, a stray radiation suppression device was designed for a compound optical system which began with a Cassegrain structure. The device contains outer baffle 1, outer baffle 2 and two inner baffles, in which the baffle 2 efficiently blocks the external stray radiation directly into the optical system. The device can effectively suppress the stray radiation of each spectrum, and with this device, the difference between parasitic light and signal light in visible branch are 7~8 orders of magnitude, which in near infrared branch are 5~6 orders of magnitude. In practical, the device performs well as the image is not affected by the stray radiation, as well as, the working time can be enlarged. © 2019, Editorial Board, Journal of Applied Optics. All right reserved.
References
Zhang T., Liao Z., Design of off-axis reflective optical system with 3 mirrors used in imaging spectrometers, Infrared and Laser Engineering, 42, 7, pp. 1863-1865, (2013)
Li Y., Liu J., Research on integrative suppression of internal and external stray light in infrared optical remote sensor, Acta Optical Sinica, 33, 9, pp. 277-281, (2013)
Yan C., Xu J., Peng Y., Stray light suppression of three-mirror off-axis space optical telescope, Optics and Precision Engineering, 18, 2, pp. 289-293, (2010)
Zhou J., Research on stray light of the infrared detection system, pp. 3-6, (2013)
Duo B., Li L., Huang Y., Stray light analysis of an on-anxis three-reflection space optical system, Chinese Optical Letters, 8, 6, pp. 569-572, (2010)
Niu J., Analysis and suppression technology of stray radiation in infrared detection system, pp. 29-30, (2010)
Pei L., Xiang L., Lyu Q., Et al., Research on the stray light suppression for super-resolution optical system, Acta Optical Sinica, 46, 11, pp. 176-181, (2017)
Wang M., Wang Z., Bai J., Stray light analysis for hyper-spectral imaging spectrometer, Infrared and Laser Engineering, 41, 6, pp. 1532-1537, (2012)
Zhao C., Fu S., Jiang G., Design and optimization of baffle of star sensor, Semiconductor Opto-Electronics, 38, 2, pp. 251-256, (2017)
Wang W., Yang X., Jiang K., Et al., Stray light analysis of catadioptric infrared optical system, Infrared and Laser Engineering, 42, 1, pp. 138-142, (2013)
Published
How to Cite
Issue
Section
License
Copyright (c) 2019 Journal of Applied Optics
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
The CC Attribution-NonCommercial 4.0 License allows sharing and adapting the work, provided the creator is credited and the work is not used commercially. Modifications must be indicated, and derivative works under the same license are allowed.
