Abstract

A novel scheme to correct aberration of each beam from the front-end to the target point in a thermal inertia laser (TIL) is presented. Each beam contains a deformable mirror (DM) with an aperture of 70 mm×70 mm at the injection of the main amplifier and a Hartman-Shack (HS) sensor in a parameter diagnostic unit (PDU). A temporary HS sensor for measuring the static aberration of each beam with 1 Hz source is placed at the target point. The sensor will be removed from the target point during the main single shot, so we transfer the results measured at the target point to the sensors in the PDU. Dynamic aberration can also be measured by the HS sensor in the PDU during the single shot. In this way, we need not calibrate the aberration of the PDU, and aberration of each beam can be corrected by the DM with the HS sensor in the PDU. We demonstrate that with this scheme the divergence angle of the TIL pulses can be improved from 100 to less than 60 μrad with a focal length of 2200 mm and beam size of 290 mm×290 mm, which meets the requirement of a TIL.

© 2009 Optical Society of America

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  1. X. M. Zhang and W. G. Zheng, “The TIL commissioning and performance,” J. Phys.: Conf. Ser. 112, 0320082008.
    [CrossRef]
  2. H. S. Peng, W. Y. Zhang, and X. F. Wei, “Status of the SG-III solid state laser project,” Proc. SPIE 3492, 25-33 (1999).
    [CrossRef]
  3. F. Wang and Q. H. Zhu, “Optimization of optical design of the master amplifier in multi-pass off-axis amplification system,” Acta Phys. Sin. 55, 5277-5282 (2006).
  4. Y. D. Zhang and Z. P. Yang, “Characteristics of wavefront aberration in the single beam principle prototype of the next generation ICF system,” Proc. SPIE 4825, 249-256 (2002).
    [CrossRef]
  5. M. L. Spaeth, K. R. Manes, and C. C. Widemayer, “National Ignition Facility wavefront requirements and optical architecture,” Opt. Eng. 43, 2854-2865 (2004).
    [CrossRef]
  6. R. A. Zacharias and N. R. Beer, “Alignment and wavefront control system of national ignition facility,” Opt. Eng. 43, 2873-2884 (2004).
    [CrossRef]
  7. W. J. Dai and D. X. Hu, “Application of adaptive optics technique in TIL facility,” Acta Opt. Sin. 28, 102-106 (2008).
  8. W. J. Dai and D. X. Hu, “Calibration of Hartman-Shack sensor for measurement of wavefront in prototype system,” High Power Laser Part. Beams 20, 1413-1416 (2008).

2008 (3)

X. M. Zhang and W. G. Zheng, “The TIL commissioning and performance,” J. Phys.: Conf. Ser. 112, 0320082008.
[CrossRef]

W. J. Dai and D. X. Hu, “Application of adaptive optics technique in TIL facility,” Acta Opt. Sin. 28, 102-106 (2008).

W. J. Dai and D. X. Hu, “Calibration of Hartman-Shack sensor for measurement of wavefront in prototype system,” High Power Laser Part. Beams 20, 1413-1416 (2008).

2006 (1)

F. Wang and Q. H. Zhu, “Optimization of optical design of the master amplifier in multi-pass off-axis amplification system,” Acta Phys. Sin. 55, 5277-5282 (2006).

2004 (2)

M. L. Spaeth, K. R. Manes, and C. C. Widemayer, “National Ignition Facility wavefront requirements and optical architecture,” Opt. Eng. 43, 2854-2865 (2004).
[CrossRef]

R. A. Zacharias and N. R. Beer, “Alignment and wavefront control system of national ignition facility,” Opt. Eng. 43, 2873-2884 (2004).
[CrossRef]

2002 (1)

Y. D. Zhang and Z. P. Yang, “Characteristics of wavefront aberration in the single beam principle prototype of the next generation ICF system,” Proc. SPIE 4825, 249-256 (2002).
[CrossRef]

1999 (1)

H. S. Peng, W. Y. Zhang, and X. F. Wei, “Status of the SG-III solid state laser project,” Proc. SPIE 3492, 25-33 (1999).
[CrossRef]

Beer, N. R.

R. A. Zacharias and N. R. Beer, “Alignment and wavefront control system of national ignition facility,” Opt. Eng. 43, 2873-2884 (2004).
[CrossRef]

Dai, W. J.

W. J. Dai and D. X. Hu, “Application of adaptive optics technique in TIL facility,” Acta Opt. Sin. 28, 102-106 (2008).

W. J. Dai and D. X. Hu, “Calibration of Hartman-Shack sensor for measurement of wavefront in prototype system,” High Power Laser Part. Beams 20, 1413-1416 (2008).

Hu, D. X.

W. J. Dai and D. X. Hu, “Calibration of Hartman-Shack sensor for measurement of wavefront in prototype system,” High Power Laser Part. Beams 20, 1413-1416 (2008).

W. J. Dai and D. X. Hu, “Application of adaptive optics technique in TIL facility,” Acta Opt. Sin. 28, 102-106 (2008).

Manes, K. R.

M. L. Spaeth, K. R. Manes, and C. C. Widemayer, “National Ignition Facility wavefront requirements and optical architecture,” Opt. Eng. 43, 2854-2865 (2004).
[CrossRef]

Peng, H. S.

H. S. Peng, W. Y. Zhang, and X. F. Wei, “Status of the SG-III solid state laser project,” Proc. SPIE 3492, 25-33 (1999).
[CrossRef]

Spaeth, M. L.

M. L. Spaeth, K. R. Manes, and C. C. Widemayer, “National Ignition Facility wavefront requirements and optical architecture,” Opt. Eng. 43, 2854-2865 (2004).
[CrossRef]

Wang, F.

F. Wang and Q. H. Zhu, “Optimization of optical design of the master amplifier in multi-pass off-axis amplification system,” Acta Phys. Sin. 55, 5277-5282 (2006).

Wei, X. F.

H. S. Peng, W. Y. Zhang, and X. F. Wei, “Status of the SG-III solid state laser project,” Proc. SPIE 3492, 25-33 (1999).
[CrossRef]

Widemayer, C. C.

M. L. Spaeth, K. R. Manes, and C. C. Widemayer, “National Ignition Facility wavefront requirements and optical architecture,” Opt. Eng. 43, 2854-2865 (2004).
[CrossRef]

Yang, Z. P.

Y. D. Zhang and Z. P. Yang, “Characteristics of wavefront aberration in the single beam principle prototype of the next generation ICF system,” Proc. SPIE 4825, 249-256 (2002).
[CrossRef]

Zacharias, R. A.

R. A. Zacharias and N. R. Beer, “Alignment and wavefront control system of national ignition facility,” Opt. Eng. 43, 2873-2884 (2004).
[CrossRef]

Zhang, W. Y.

H. S. Peng, W. Y. Zhang, and X. F. Wei, “Status of the SG-III solid state laser project,” Proc. SPIE 3492, 25-33 (1999).
[CrossRef]

Zhang, X. M.

X. M. Zhang and W. G. Zheng, “The TIL commissioning and performance,” J. Phys.: Conf. Ser. 112, 0320082008.
[CrossRef]

Zhang, Y. D.

Y. D. Zhang and Z. P. Yang, “Characteristics of wavefront aberration in the single beam principle prototype of the next generation ICF system,” Proc. SPIE 4825, 249-256 (2002).
[CrossRef]

Zheng, W. G.

X. M. Zhang and W. G. Zheng, “The TIL commissioning and performance,” J. Phys.: Conf. Ser. 112, 0320082008.
[CrossRef]

Zhu, Q. H.

F. Wang and Q. H. Zhu, “Optimization of optical design of the master amplifier in multi-pass off-axis amplification system,” Acta Phys. Sin. 55, 5277-5282 (2006).

Acta Opt. Sin. (1)

W. J. Dai and D. X. Hu, “Application of adaptive optics technique in TIL facility,” Acta Opt. Sin. 28, 102-106 (2008).

Acta Phys. Sin. (1)

F. Wang and Q. H. Zhu, “Optimization of optical design of the master amplifier in multi-pass off-axis amplification system,” Acta Phys. Sin. 55, 5277-5282 (2006).

High Power Laser Part. Beams (1)

W. J. Dai and D. X. Hu, “Calibration of Hartman-Shack sensor for measurement of wavefront in prototype system,” High Power Laser Part. Beams 20, 1413-1416 (2008).

J. Phys.: Conf. Ser. (1)

X. M. Zhang and W. G. Zheng, “The TIL commissioning and performance,” J. Phys.: Conf. Ser. 112, 0320082008.
[CrossRef]

Opt. Eng. (2)

M. L. Spaeth, K. R. Manes, and C. C. Widemayer, “National Ignition Facility wavefront requirements and optical architecture,” Opt. Eng. 43, 2854-2865 (2004).
[CrossRef]

R. A. Zacharias and N. R. Beer, “Alignment and wavefront control system of national ignition facility,” Opt. Eng. 43, 2873-2884 (2004).
[CrossRef]

Proc. SPIE (2)

H. S. Peng, W. Y. Zhang, and X. F. Wei, “Status of the SG-III solid state laser project,” Proc. SPIE 3492, 25-33 (1999).
[CrossRef]

Y. D. Zhang and Z. P. Yang, “Characteristics of wavefront aberration in the single beam principle prototype of the next generation ICF system,” Proc. SPIE 4825, 249-256 (2002).
[CrossRef]

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