Abstract

Grating pulse compressors are an integral part of chirped pulse amplification (CPA) lasers.1 Accurate alignment of the compressor is required to obtain minimum pulse-width at the output of the system. Dual grating compressors are difficult to align because they don’t function unless they are close to optimum alignment. The procedure outlined here provides a simple step-wise method of aligning a dual grating pulse compressor so that the gratings will be parallel with one another. Once this condition has been established, only the distance between the gratings needs to be adjusted to start the system operating. At this point, the compressor can be critically aligned.

© 1998 Optical Society of America

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References

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  1. P. Maine et al., “Generation of ultrahigh peak power pulses by chirped pulse amplification,” IEEE J. Quantum. Electron. 24,398 (1988).
    [CrossRef]
  2. E. B. Treacy, “Optical pulse compression with diffraction gratings,” IEEE J. Quantum Electron. QE 5(9), 454 (1969).
    [CrossRef]
  3. O. E. Martinez, “3000 times grating compressor with positive group velocity dispersion: Application to fiber compensation in 1.3–1.6 μm region,” IEEE J. Quantum Electron. QE 23, 59 (1987).
    [CrossRef]
  4. M. Pessot et al.“Chirped-pulse amplification of 100-fsec pulses,” Opt. Lett. 14,797 (1989).
    [CrossRef] [PubMed]

1989

1988

P. Maine et al., “Generation of ultrahigh peak power pulses by chirped pulse amplification,” IEEE J. Quantum. Electron. 24,398 (1988).
[CrossRef]

1987

O. E. Martinez, “3000 times grating compressor with positive group velocity dispersion: Application to fiber compensation in 1.3–1.6 μm region,” IEEE J. Quantum Electron. QE 23, 59 (1987).
[CrossRef]

1969

E. B. Treacy, “Optical pulse compression with diffraction gratings,” IEEE J. Quantum Electron. QE 5(9), 454 (1969).
[CrossRef]

Maine, P.

P. Maine et al., “Generation of ultrahigh peak power pulses by chirped pulse amplification,” IEEE J. Quantum. Electron. 24,398 (1988).
[CrossRef]

Martinez, O. E.

O. E. Martinez, “3000 times grating compressor with positive group velocity dispersion: Application to fiber compensation in 1.3–1.6 μm region,” IEEE J. Quantum Electron. QE 23, 59 (1987).
[CrossRef]

Pessot, M.

Treacy, E. B.

E. B. Treacy, “Optical pulse compression with diffraction gratings,” IEEE J. Quantum Electron. QE 5(9), 454 (1969).
[CrossRef]

IEEE J. Quantum Electron.

E. B. Treacy, “Optical pulse compression with diffraction gratings,” IEEE J. Quantum Electron. QE 5(9), 454 (1969).
[CrossRef]

O. E. Martinez, “3000 times grating compressor with positive group velocity dispersion: Application to fiber compensation in 1.3–1.6 μm region,” IEEE J. Quantum Electron. QE 23, 59 (1987).
[CrossRef]

IEEE J. Quantum. Electron.

P. Maine et al., “Generation of ultrahigh peak power pulses by chirped pulse amplification,” IEEE J. Quantum. Electron. 24,398 (1988).
[CrossRef]

Opt. Lett.

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Figures (3)

Figure 1
Figure 1

Demonstration of the law of reflection, angles θ1i = θ1r and θ2i = θ2r.

Figure 2
Figure 2

Grating incident angle I, first order diffraction angle α angle difference angle Δ (Δ = I − α).

Figure 3
Figure 3

Diagram of a dual grating puise compressor.

Equations (1)

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m λ = d   ·   ( sin α + sinI ) ,

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