Abstract

A unique laser resonator containing an internal phase grating and a diffractive mode-selecting mirror provides high modal discrimination in a Nd:YAG laser cavity. Single-spatial-mode lasers with high Fresnel numbers are possible, with negligible loss to the fundamental mode.

© 1994 Optical Society of America

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References

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  1. S. De Silvestri, V. Magni, O. Svelto, G. Valentini, IEEE J. Quantum Electron. 26, 1500 (1990).
    [CrossRef]
  2. M. Piohé, D. Cantin, Opt. Lett. 16,1135 (1991).
    [CrossRef]
  3. V. Kermene, A. Saviot, M. Vampouille, B. Colombeau, C. Froehly, T. Dohnalik, Opt. Lett. 17,859 (1992).
    [CrossRef] [PubMed]
  4. J. R. Leger, G. J. Swanson, U.S. patent5,033,060 (July16, 1991).
  5. J. R. Leger, X. Li, Bull. Am. Phys. Soc. 37, 1212 (1992).
  6. P. A. Belanger, R. L. Lachance, C. Paré, Opt. Lett. 17, 739 (1992).
    [CrossRef] [PubMed]
  7. C. Paré, P. A. Bélanger, IEEE J. Quantum Electron. 28, 355 (1992).
    [CrossRef]
  8. J. R. Leger, D. Chen, Z. Wang, Opt. Lett. 19,108 (1994).
    [CrossRef] [PubMed]
  9. A. G. Fox, T. Li, Bell Syst. Tech. J. 40, 453 (1961).
  10. J. R. Leger, D. Chen, G. Mowry, “Design and performance of diffractive optics for custom laser resonators,”Appl. Opt. (to be published).

1994 (1)

1992 (4)

1991 (1)

1990 (1)

S. De Silvestri, V. Magni, O. Svelto, G. Valentini, IEEE J. Quantum Electron. 26, 1500 (1990).
[CrossRef]

1961 (1)

A. G. Fox, T. Li, Bell Syst. Tech. J. 40, 453 (1961).

Belanger, P. A.

Bélanger, P. A.

C. Paré, P. A. Bélanger, IEEE J. Quantum Electron. 28, 355 (1992).
[CrossRef]

Cantin, D.

Chen, D.

J. R. Leger, D. Chen, Z. Wang, Opt. Lett. 19,108 (1994).
[CrossRef] [PubMed]

J. R. Leger, D. Chen, G. Mowry, “Design and performance of diffractive optics for custom laser resonators,”Appl. Opt. (to be published).

Colombeau, B.

De Silvestri, S.

S. De Silvestri, V. Magni, O. Svelto, G. Valentini, IEEE J. Quantum Electron. 26, 1500 (1990).
[CrossRef]

Dohnalik, T.

Fox, A. G.

A. G. Fox, T. Li, Bell Syst. Tech. J. 40, 453 (1961).

Froehly, C.

Kermene, V.

Lachance, R. L.

Leger, J. R.

J. R. Leger, D. Chen, Z. Wang, Opt. Lett. 19,108 (1994).
[CrossRef] [PubMed]

J. R. Leger, X. Li, Bull. Am. Phys. Soc. 37, 1212 (1992).

J. R. Leger, D. Chen, G. Mowry, “Design and performance of diffractive optics for custom laser resonators,”Appl. Opt. (to be published).

J. R. Leger, G. J. Swanson, U.S. patent5,033,060 (July16, 1991).

Li, T.

A. G. Fox, T. Li, Bell Syst. Tech. J. 40, 453 (1961).

Li, X.

J. R. Leger, X. Li, Bull. Am. Phys. Soc. 37, 1212 (1992).

Magni, V.

S. De Silvestri, V. Magni, O. Svelto, G. Valentini, IEEE J. Quantum Electron. 26, 1500 (1990).
[CrossRef]

Mowry, G.

J. R. Leger, D. Chen, G. Mowry, “Design and performance of diffractive optics for custom laser resonators,”Appl. Opt. (to be published).

Paré, C.

C. Paré, P. A. Bélanger, IEEE J. Quantum Electron. 28, 355 (1992).
[CrossRef]

P. A. Belanger, R. L. Lachance, C. Paré, Opt. Lett. 17, 739 (1992).
[CrossRef] [PubMed]

Piohé, M.

Saviot, A.

Svelto, O.

S. De Silvestri, V. Magni, O. Svelto, G. Valentini, IEEE J. Quantum Electron. 26, 1500 (1990).
[CrossRef]

Swanson, G. J.

J. R. Leger, G. J. Swanson, U.S. patent5,033,060 (July16, 1991).

Valentini, G.

S. De Silvestri, V. Magni, O. Svelto, G. Valentini, IEEE J. Quantum Electron. 26, 1500 (1990).
[CrossRef]

Vampouille, M.

Wang, Z.

Bell Syst. Tech. J. (1)

A. G. Fox, T. Li, Bell Syst. Tech. J. 40, 453 (1961).

Bull. Am. Phys. Soc. (1)

J. R. Leger, X. Li, Bull. Am. Phys. Soc. 37, 1212 (1992).

IEEE J. Quantum Electron. (2)

C. Paré, P. A. Bélanger, IEEE J. Quantum Electron. 28, 355 (1992).
[CrossRef]

S. De Silvestri, V. Magni, O. Svelto, G. Valentini, IEEE J. Quantum Electron. 26, 1500 (1990).
[CrossRef]

Opt. Lett. (4)

Other (2)

J. R. Leger, G. J. Swanson, U.S. patent5,033,060 (July16, 1991).

J. R. Leger, D. Chen, G. Mowry, “Design and performance of diffractive optics for custom laser resonators,”Appl. Opt. (to be published).

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Figures (3)

Fig. 1
Fig. 1

Laser cavity consisting of a flat output mirror, diffractive phase plate, and a diffractive mode-selecting mirror.

Fig. 2
Fig. 2

Theoretical laser gain required for diffractive losses to the second-order mode to be overcome for sinusoidal phase gratings of different frequencies. The loss to the fundamental mode is less than 0.1%.

Fig. 3
Fig. 3

Far-field diffraction pattern from a pulsed flash-lamp-pumped Nd:YAG laser employing a diffractive optic laser cavity with a cosinusoidal phase plate.

Equations (5)

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K ( x ¯ , x ¯ ) U ν ( x ¯ ) d 2 x ¯ = γ ν U ν ( x ¯ ) ,
a ( x , y ) = exp [ ( x ω 0 ) 20 ] exp [ ( y ω 0 ) 20 ] .
t ( x , y ) = exp [ j m sin ( 2 π f g x + ϕ ) ] ,
G th = 1 / ( 1 l ) ,
x = λ z 2 f g ,

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