Study on the optical quality of the free-vortex aerodynamic-window using Hartmann-Shack sensing

liu tian-hua; jiang zong-fu; xu xiao-jun; li wen-yu; liu ze-jin; zhao yi-jun

Volume 14 Issue 04

Aug. 2002

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Article Navigation > High Power Laser and Particle Beams > 2002 > 14(04): 0-

tang jun-ping, dong qin-xiao, bo hai-wang, et al. Development of 300 kV pulse source with 3 ns risetime[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

liu tian-hua, jiang zong-fu, xu xiao-jun, et al. Study on the optical quality of the free-vortex aerodynamic-window using Hartmann-Shack sensing[J]. High Power Laser and Particle Beams, 2002, 14.

tang jun-ping, dong qin-xiao, bo hai-wang, et al. Development of 300 kV pulse source with 3 ns risetime[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

liu tian-hua, jiang zong-fu, xu xiao-jun, et al. Study on the optical quality of the free-vortex aerodynamic-window using Hartmann-Shack sensing[J]. High Power Laser and Particle Beams, 2002, 14.

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Study on the optical quality of the free-vortex aerodynamic-window using Hartmann-Shack sensing

1.
Institute of Directed Energy Technology,School of Science,National University of Defense and Technology,Changsha 410073,China

Publish Date: 2002-08-15

Abstract

Abstract

This paper studies the optical quality such as the peak value (PV) of wavefront error, rms and strehl ratio (RS) of the free-vortex aerodynamic window(FADW) designed for the high energy lasers using the Hartmann-Shack sensing under different inlet total pressures experimentally. The results show that the effects on the output laser wavefront of the FADW are mainly the beam deflexion and the beam divergence, the other high-level wavefront errors are very low. And the FADW can meet our needs. The Hartmann-Shack sensing can be used to measure the 2-dimensional disturbed wavefront through the FADW dynamically and it can be used to launch and correct the high energy laser out of the FADW.
- high energy laser,
- free-vortex aerodynamic window(fadw),
- hartmann-shack sensor,
- wavefront error,
- wavefront reconstruction,
- optical quality,
- strehl ratio

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