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Applied Optics

Applied Optics


  • Vol. 39, Iss. 1 — Jan. 1, 2000
  • pp: 16–19

Recording high-dispersion spherical holographic gratings in a modified Rowland mounting by use of a multimode deformable mirror

Michel Duban  »View Author Affiliations

Applied Optics, Vol. 39, Issue 1, pp. 16-19 (2000)

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To reduce the uncorrected higher-order aberrations for holographic gratings requiring an extreme dispersion, we have modified the Rowland mounting by moving the recording laser sources away from the grating. Then, with a multimode deformable plane mirror to record the grating, the correction of all the aberrations up to the fourth order inclusive is found sufficient to obtain a high-quality image. Applied to the FUSE-LYMAN grating, with a groove density of as much as 5740 grooves/mm, for which a resolution of 30,000 was required, this new recording device produces a resolution from 139,000 to 222,000 over the spectral range.

© 2000 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(050.7330) Diffraction and gratings : Volume gratings
(220.1000) Optical design and fabrication : Aberration compensation
(220.1010) Optical design and fabrication : Aberrations (global)
(230.1950) Optical devices : Diffraction gratings

Original Manuscript: June 2, 1999
Revised Manuscript: September 3, 1999
Published: January 1, 2000

Michel Duban, "Recording high-dispersion spherical holographic gratings in a modified Rowland mounting by use of a multimode deformable mirror," Appl. Opt. 39, 16-19 (2000)

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