Large Amount of Off-Axis Machining Ellipsoidal Reflector

Jun Feng He; Chang Chun Huang

doi:10.4028/www.scientific.net/AMM.484-485.254

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 484-485Large Amount of Off-Axis Machining Ellipsoidal...

Large Amount of Off-Axis Machining Ellipsoidal Reflector

Abstract:

The article introduces the off-axis ellipsoidal mirror processing and testing, and uses AutoCAD software to calculate the maximum aspheric mirrors degrees. After processing the off-axis ellipsoidal reflector inclination error of 1.55arcsec, root mean square roughness ((RMS) of 3.21nn, focal length error is less than 1mm, and the surface accuracy can reach λ / 6 (0.51-0.98 μ m).

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Periodical:

Applied Mechanics and Materials (Volumes 484-485)

Pages:

254-258

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.484-485.254

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Online since:

January 2014

Authors:

Jun Feng He, Chang Chun Huang

Keywords:

Ellipsoidal Reflector, High-Precision, Processing, Testing

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