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Optical Society of Korea (한국광학회)
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Achromatic and Athermal Design of an Optical System with Corrected Petzval Curvature on a Three-dimensional Glass Chart

  • Received : 2017.06.10
  • Accepted : 2017.07.17
  • Published : 2017.08.25
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Abstract

We present a graphical method for determining a pair of optical materials and powers to design an achromatic and athermal lens system with corrected Petzval curvature. To graphically obtain the solutions, a three-dimensional (3D) glass chart is proposed. Even if a particular material combination is unavailable, we can select an element suitable for a specific lens and continuously change the element powers of an equivalent single lens for aberrations correction. Thus, we can iteratively identify the materials and powers on a 3D glass chart. By designing a fisheye lens using this method, an achromatic and athermal system with flat Petzval curvature is obtained, over the specified waveband and temperature ranges.

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References

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