High Power Laser and Particle Beams, Volume. 33, Issue 8, 081008(2021)
High-precision measurement technique of isoplanatic angle
Figures & Tables(10)
Fig. 1. Diagrammatic layout of tri-annuli apodizing mask (unit: mm)
Fig. 3. Weighting function of three kinds of apodizing masks compared with
Fig. 4. Comparison of relative error of three kinds of apodizing masks
Fig. 6. Composition and layout of high-precision measurement technique of isoplanatic angle
Table 1. Size of tri-annuli apodizing mask
View tableView in ArticleTable 1. Size of tri-annuli apodizing mask
type of apodizing mask radius /mm center block 35.560 telescope 101.60 inside/outside radius of inner transmittance ring 37.3888/43.8404 inside/outside radius of middle transmittance ring 62.8904/69.2404 inside/outside radius of outer transmittance ring 81.9404/101.6000
Table 2. The size of apodizing mask
View tableView in ArticleTable 2. The size of apodizing mask
design procedures of apodizing mask fit coefficient c of weighting function transmittance area A of the ring /m2 inside/outside radius of middle transmittance ring/mm single aperture 1.209×10−16 0.0095 radius 55.00 dual ring 1.551×10−16 0.0205 inside/outside radius of inner transmittance ring 37.50/50.00 inside/outside radius of outer transmittance ring 70.00/101.6
Table 3. Key specifications of the high-precision isoplanometer
View tableView in ArticleTable 3. Key specifications of the high-precision isoplanometer
key specifications design value dynamic range 3～30 μrad（λ=500 nm） wave length 600～1000 nm sample frequency ≥300 Hz single sample size ≥600 sampling precision 12 bit variation range of zenith angle 5°～45° variation range of azimuth 0°～360°
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Xiwen Qiang, Min Wu, Fei Zong, Shengwei Zhai, Yuehong Hu, Shuanglian Feng, Junwei Zhao, Jinyong Chang. High-precision measurement technique of isoplanatic angle[J]. High Power Laser and Particle Beams, 2021, 33(8): 081008
Paper Information
Category: Laser Atmosphere Propagation
Received: Jun. 1, 2021
Accepted: --
Published Online: Sep. 3, 2021
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