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Applied Optics

Applied Optics


  • Vol. 19, Iss. 23 — Dec. 1, 1980
  • pp: 3987–3993

Mechanically ruled aberration-corrected concave gratings

Tatsuo Harada and Toshiaki Kita  »View Author Affiliations

Applied Optics, Vol. 19, Issue 23, pp. 3987-3993 (1980)

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Aberration-corrected concave gratings with curved and variable spacing grooves are ruled with a numerically controlled ruling engine. In the design of aberration-corrected concave gratings, mechanical methods allow more freedom to choose the amount of space variation than do holographic methods. A highly efficient visible–UV monochromator and a coma-type aberration-reduced Seya-Namioka monochromator have been designed and fabricated using mechanically ruled aberration-corrected concave gratings. The gratings can be used with VUV monochromators and spectrographs with improved image focusing properties.

© 1980 Optical Society of America

Original Manuscript: June 6, 1980
Published: December 1, 1980

Tatsuo Harada and Toshiaki Kita, "Mechanically ruled aberration-corrected concave gratings," Appl. Opt. 19, 3987-3993 (1980)

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