Abstract

To illustrate the efficiency of using a deformable plane mirror to record holographic gratings, we have computed the three gratings for the Cosmic Origins Spectrograph. Their working conditions are severe, since they have to correct the residual spherical aberration of the Hubble Space Telescope. Nevertheless, all images obtained are largely diffraction limited with regard to the resolution.

© 1998 Optical Society of America

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References

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  1. M. Duban, G. R. Lemaitre, R. F. Malina, “Recording method for obtaining high-resolution holographic gratings through use of multimode deformable plane mirrors,” Appl. Opt. 37, 3438–3439 (1998).
    [CrossRef]
  2. G. R. Lemaitre, M. Wang, G. Moretto, “Active mirrors warped using Zernike polynomials for correcting off axis aberrations,” Astron. Astrophys. Suppl. Ser. 114, 373–386 (1995).
  3. J. Green, “The Cosmic Origins Spectrograph,” Rep. P97-752, 1, 1997 (Center for Astrophysics and Space Astronomy, Colorado University, Boulder, Colo.).
  4. M. Duban, “Third generation Rowland holographic mounting,” Appl. Opt. 30, 4019–4025 (1991).
    [CrossRef] [PubMed]
  5. G. R. Lemaitre, “Asphérisation par relaxation élastique,” Comptes Rendus Acad. Sc. (Paris) 290 B, 171–174 (1980).
  6. G. R. Lemaitre, “Compensation des aberrations par élasticité,” Nouv. Rev. Optique 5, 361–366 (1974).
    [CrossRef]
  7. M. C. E. Huber, G. Lemaitre, G. J. Timothy, J. S. Morgan, G. Tondello, E. Jannitti, P. Scarin , “Imaging extreme ultraviolet spectrometer employing a single toroidal diffraction grating: the initial evaluation,” Appl. Opt. 27, 3503–3510 (1988).
    [PubMed]

1998

1995

G. R. Lemaitre, M. Wang, G. Moretto, “Active mirrors warped using Zernike polynomials for correcting off axis aberrations,” Astron. Astrophys. Suppl. Ser. 114, 373–386 (1995).

1991

1988

1980

G. R. Lemaitre, “Asphérisation par relaxation élastique,” Comptes Rendus Acad. Sc. (Paris) 290 B, 171–174 (1980).

1974

G. R. Lemaitre, “Compensation des aberrations par élasticité,” Nouv. Rev. Optique 5, 361–366 (1974).
[CrossRef]

Duban, M.

Green, J.

J. Green, “The Cosmic Origins Spectrograph,” Rep. P97-752, 1, 1997 (Center for Astrophysics and Space Astronomy, Colorado University, Boulder, Colo.).

Huber, M. C. E.

Jannitti, E.

Lemaitre, G.

Lemaitre, G. R.

M. Duban, G. R. Lemaitre, R. F. Malina, “Recording method for obtaining high-resolution holographic gratings through use of multimode deformable plane mirrors,” Appl. Opt. 37, 3438–3439 (1998).
[CrossRef]

G. R. Lemaitre, M. Wang, G. Moretto, “Active mirrors warped using Zernike polynomials for correcting off axis aberrations,” Astron. Astrophys. Suppl. Ser. 114, 373–386 (1995).

G. R. Lemaitre, “Asphérisation par relaxation élastique,” Comptes Rendus Acad. Sc. (Paris) 290 B, 171–174 (1980).

G. R. Lemaitre, “Compensation des aberrations par élasticité,” Nouv. Rev. Optique 5, 361–366 (1974).
[CrossRef]

Malina, R. F.

Moretto, G.

G. R. Lemaitre, M. Wang, G. Moretto, “Active mirrors warped using Zernike polynomials for correcting off axis aberrations,” Astron. Astrophys. Suppl. Ser. 114, 373–386 (1995).

Morgan, J. S.

Scarin, P.

Timothy, G. J.

Tondello, G.

Wang, M.

G. R. Lemaitre, M. Wang, G. Moretto, “Active mirrors warped using Zernike polynomials for correcting off axis aberrations,” Astron. Astrophys. Suppl. Ser. 114, 373–386 (1995).

Appl. Opt.

Astron. Astrophys. Suppl. Ser.

G. R. Lemaitre, M. Wang, G. Moretto, “Active mirrors warped using Zernike polynomials for correcting off axis aberrations,” Astron. Astrophys. Suppl. Ser. 114, 373–386 (1995).

Comptes Rendus Acad. Sc. (Paris)

G. R. Lemaitre, “Asphérisation par relaxation élastique,” Comptes Rendus Acad. Sc. (Paris) 290 B, 171–174 (1980).

Nouv. Rev. Optique

G. R. Lemaitre, “Compensation des aberrations par élasticité,” Nouv. Rev. Optique 5, 361–366 (1974).
[CrossRef]

Other

J. Green, “The Cosmic Origins Spectrograph,” Rep. P97-752, 1, 1997 (Center for Astrophysics and Space Astronomy, Colorado University, Boulder, Colo.).

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Figures (3)

Fig. 1
Fig. 1

Spot diagram given by grating 1 at 1150, 1194.4, 1295.5, 1405.9, and 1449 Å.

Fig. 2
Fig. 2

Spot diagram given by grating 2 at 1405, 1459.8, 1589.5, 1720.8, and 1774 Å.

Fig. 3
Fig. 3

Spot diagram given by grating 3 at 1230, 1300, 1615, 1800, and 2000 Å (isotropic scale).

Tables (4)

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Table 1 Spectral Data (Å)

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Table 2 Grating and Recording Geometrical Parameters

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Table 3 Substrate Coefficients [Deformations (μm)]

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Table 4 Multimode Deformable Mirror Coefficients

Equations (2)

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t r = t 0 a r 1 - k 3 + ν + k 76.2 + 21.5 ν 15 + ν   - a r k   37.8 - 7.5 ν 15 + ν 1 / 3 ,
t 0 3 = 6 1 - ν 2 1 - k 6 3 + ν + 5 k 192 + 145 ν F EA 42 a 2 .

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