Abstract

We present results of comparative time-resolved coherence studies on a single pulse from a master oscillator power amplifier (MOPA) copper vapor laser with generalized diffraction-filtered and unstable resonators as master oscillators. It is shown that, unlike the conventionally used unstable-resonator MOPA reported in literature, the coherence of a generalized diffraction-filtered resonator MOPA pulse is fairly independent of the delay between the oscillator and the amplifier. It also remains constant throughout the pulse, with the result that the flux is constant over a large range of the delay.

© 2003 Optical Society of America

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  1. E. Le Guyadec, P. Countance, G. Bertrand, G. Peltier, “A 280-W average power Cu-Ne-HBr laser amplifier,” IEEE J. Quantum Electron. QE-35, 1616–1622 (1999).
    [CrossRef]
  2. D. J. W. Brown, M. J. Withford, J. A. Piper, “High power, high brightness master oscillator-power amplifier copper laser system based on kinetically enhanced active elements,” IEEE J. Quantum Electron. QE-37, 518–524 (2001).
    [CrossRef]
  3. V. V. Zubov, N. A. Lyabin, A. D. Chursin, “Efficient master oscillator amplifier system utilizing copper vapour laser active elements,” Sov. J. Quantum Electron. 16, 1606–1610 (1986).
    [CrossRef]
  4. M. Amit, S. Lavi, G. Erez, E. Miron, “Temporal and spatial properties of an oscillator amplifier copper vapor laser,” Opt. Commun. 62, 110–114 (1987).
    [CrossRef]
  5. V. P. Belyaev, V. V. Zubov, A. A. Isaev, N. A. Lyabin, Yu. F. Sobolev, A. D. Chursin, “Spatial, temporal and energy characteristics of copper vapour laser radiation,” Sov. J. Quantum Electron. 15, 40–44 (1985).
    [CrossRef]
  6. R. S. Hargrove, R. Grove, T. Kan, “Copper vapour laser unstable resonator oscillator and oscillator-amplifier characteristics,” IEEE J. Quantum. Electron. QE-15, 1228–1233 (1979).
    [CrossRef]
  7. J. J. Chang, “Time resolved beam quality characterization of copper vapour laser with unstable resonator,” Appl. Opt. 33, 2255–2265 (1994).
    [CrossRef] [PubMed]
  8. T. Omatsu, K. Kuroda, T. Shimura, M. Chihara, M. Itoh, I. Ogura, “Time resolved measurement of beam divergence of a copper vapour laser using a saturable absorber,” Opt. Commun. 85, 343–349 (1991).
    [CrossRef]
  9. D. W. Coutts, “Time resolved beam divergence from a copper vapor laser with unstable resonator,” IEEE J. Quantum Electron. QE-31, 330–342 (1995).
    [CrossRef]
  10. L. Peithui, R. Hong, C. Xuzong, L. Jianqui, “Far-field distribution of laser beam from oscillator and amplifier of copper vapour laser,” Chin. J. Laser (Special issue in Laser Devices) 12, 15–25 (1991).
  11. M. Nikonchuk, R. Okunev, I. Polyakov, “Copper vapour laser with self filtering unstable resonator,” in High-Power Gas Lasers, P. V. Avizonis, C. A. Freed, J. J. Kim, F. K. Tittel, eds., Proc. SPIE1225, 419–429 (1990).
    [CrossRef]
  12. G. A. Naylor, R. R. Lewis, A. J. Kearsley, “Performance of a high power copper vapour lasers in an injection-controlled oscillator-amplifier configuration,” in Gas Laser Technology, P. P. Chenausky, R. A. Sauerbien, J. H. Tillotson, eds., Proc. SPIE894, 100–117 (1988).
    [CrossRef]
  13. D. J. W. Brown, D. W. Coutts, “Beam quality issues on copper vapour laser,” in Pulsed Metal Vapour Laser, C. E. Little, N. V. Sabotinov, eds. (Kluwer Academic, Dordrecht, Netherlands, 1996), pp. 241–254.
    [CrossRef]
  14. J. J. Chang, B. E. Warner, C. D. Boley, E. P. Dragon, “High power copper vapour laser and application,” in Pulsed Metal Vapour Laser, C. E. Little, N. V. Sabotinov, eds. (Kluwer Academic, Dordrecht, Netherlands, 1996), pp. 101–112.
    [CrossRef]
  15. M. J. LaChappell, L. W. Spencer, G. W. Coutts, “Large scale copper vapour laser computer control system,” Lawrence Livermore National Lab. report no. UCRL-82275 (Lawrence Livermore National Laboratory, Livermore, Calif., 1979).
  16. C. E. Little, ed., Metal Vapour Laser (Wiley, New York, 1999) p. 277.
  17. O. Prakash, S. K. Dixit, R. Bhatnagar, “On the role of coherence width and its evolution in a short pulse fundamental beam in second harmonic generation from beta barium borate,” IEEE J. Quantum Electron. QE-38, 603–613 (2002).
    [CrossRef]
  18. S. K. Dixit, J. K. Mittal, B. Singh, P. Saxena, R. Bhatnagar, “A generalised diffraction filtered with a copper vapour laser,” Opt. Commun. 98, 91–94 (1993).
    [CrossRef]
  19. S. K. Dixit, O. Prakash, S. Talwar, R. Bhatnagar, “Generalised diffraction filtered resonator (GDFR) copper vapour laser and its applications: a study,” in Filtering Resonators, S. K. Dixit, eds. (Nova Science, Huntington, New York, 2001), pp. 253–301.
  20. S. K. Dixit, B. Singh, J. K. Mittal, R. Choube, R. Bhatnagar, “Analysis of the temporal and spatial characteristics of the output from short inversion time self terminating laser with various resonators,” Opt. Eng. 33, 1908–1920 (1994).
    [CrossRef]
  21. M. Born, E. Wolf, Principles of Optics (Pergamon, New York, 1975), p. 508.
  22. Mathematica Version 2.2 (Wolfram Research, Inc., Champaign, Ill., 1993).
  23. O. Prakash, P. K. Shukla, S. K. Dixit, S. Chatterjee, H. S. Vora, R. Bhatnagar, “Spatial coherence of the generalized diffraction-filtered resonator copper vapor laser,” Appl. Opt. 37, 7752–7757 (1998).
    [CrossRef]
  24. H. S. Vora, S. V. Nakhe, K. K. Sharangpani, P. Saxena, R. Bhalnagar, N. D. Shirke, “Profile monitor for laser beam parameter measurements,” in Proceedings of the National Laser Symposium, U. Nundy, ed. (National Laser Program, Centre for Advanced Technology, Indore, India, 1994), pp. 260, 261.

2002 (1)

O. Prakash, S. K. Dixit, R. Bhatnagar, “On the role of coherence width and its evolution in a short pulse fundamental beam in second harmonic generation from beta barium borate,” IEEE J. Quantum Electron. QE-38, 603–613 (2002).
[CrossRef]

2001 (1)

D. J. W. Brown, M. J. Withford, J. A. Piper, “High power, high brightness master oscillator-power amplifier copper laser system based on kinetically enhanced active elements,” IEEE J. Quantum Electron. QE-37, 518–524 (2001).
[CrossRef]

1999 (1)

E. Le Guyadec, P. Countance, G. Bertrand, G. Peltier, “A 280-W average power Cu-Ne-HBr laser amplifier,” IEEE J. Quantum Electron. QE-35, 1616–1622 (1999).
[CrossRef]

1998 (1)

1995 (1)

D. W. Coutts, “Time resolved beam divergence from a copper vapor laser with unstable resonator,” IEEE J. Quantum Electron. QE-31, 330–342 (1995).
[CrossRef]

1994 (2)

J. J. Chang, “Time resolved beam quality characterization of copper vapour laser with unstable resonator,” Appl. Opt. 33, 2255–2265 (1994).
[CrossRef] [PubMed]

S. K. Dixit, B. Singh, J. K. Mittal, R. Choube, R. Bhatnagar, “Analysis of the temporal and spatial characteristics of the output from short inversion time self terminating laser with various resonators,” Opt. Eng. 33, 1908–1920 (1994).
[CrossRef]

1993 (1)

S. K. Dixit, J. K. Mittal, B. Singh, P. Saxena, R. Bhatnagar, “A generalised diffraction filtered with a copper vapour laser,” Opt. Commun. 98, 91–94 (1993).
[CrossRef]

1991 (2)

T. Omatsu, K. Kuroda, T. Shimura, M. Chihara, M. Itoh, I. Ogura, “Time resolved measurement of beam divergence of a copper vapour laser using a saturable absorber,” Opt. Commun. 85, 343–349 (1991).
[CrossRef]

L. Peithui, R. Hong, C. Xuzong, L. Jianqui, “Far-field distribution of laser beam from oscillator and amplifier of copper vapour laser,” Chin. J. Laser (Special issue in Laser Devices) 12, 15–25 (1991).

1987 (1)

M. Amit, S. Lavi, G. Erez, E. Miron, “Temporal and spatial properties of an oscillator amplifier copper vapor laser,” Opt. Commun. 62, 110–114 (1987).
[CrossRef]

1986 (1)

V. V. Zubov, N. A. Lyabin, A. D. Chursin, “Efficient master oscillator amplifier system utilizing copper vapour laser active elements,” Sov. J. Quantum Electron. 16, 1606–1610 (1986).
[CrossRef]

1985 (1)

V. P. Belyaev, V. V. Zubov, A. A. Isaev, N. A. Lyabin, Yu. F. Sobolev, A. D. Chursin, “Spatial, temporal and energy characteristics of copper vapour laser radiation,” Sov. J. Quantum Electron. 15, 40–44 (1985).
[CrossRef]

1979 (1)

R. S. Hargrove, R. Grove, T. Kan, “Copper vapour laser unstable resonator oscillator and oscillator-amplifier characteristics,” IEEE J. Quantum. Electron. QE-15, 1228–1233 (1979).
[CrossRef]

Amit, M.

M. Amit, S. Lavi, G. Erez, E. Miron, “Temporal and spatial properties of an oscillator amplifier copper vapor laser,” Opt. Commun. 62, 110–114 (1987).
[CrossRef]

Belyaev, V. P.

V. P. Belyaev, V. V. Zubov, A. A. Isaev, N. A. Lyabin, Yu. F. Sobolev, A. D. Chursin, “Spatial, temporal and energy characteristics of copper vapour laser radiation,” Sov. J. Quantum Electron. 15, 40–44 (1985).
[CrossRef]

Bertrand, G.

E. Le Guyadec, P. Countance, G. Bertrand, G. Peltier, “A 280-W average power Cu-Ne-HBr laser amplifier,” IEEE J. Quantum Electron. QE-35, 1616–1622 (1999).
[CrossRef]

Bhalnagar, R.

H. S. Vora, S. V. Nakhe, K. K. Sharangpani, P. Saxena, R. Bhalnagar, N. D. Shirke, “Profile monitor for laser beam parameter measurements,” in Proceedings of the National Laser Symposium, U. Nundy, ed. (National Laser Program, Centre for Advanced Technology, Indore, India, 1994), pp. 260, 261.

Bhatnagar, R.

O. Prakash, S. K. Dixit, R. Bhatnagar, “On the role of coherence width and its evolution in a short pulse fundamental beam in second harmonic generation from beta barium borate,” IEEE J. Quantum Electron. QE-38, 603–613 (2002).
[CrossRef]

O. Prakash, P. K. Shukla, S. K. Dixit, S. Chatterjee, H. S. Vora, R. Bhatnagar, “Spatial coherence of the generalized diffraction-filtered resonator copper vapor laser,” Appl. Opt. 37, 7752–7757 (1998).
[CrossRef]

S. K. Dixit, B. Singh, J. K. Mittal, R. Choube, R. Bhatnagar, “Analysis of the temporal and spatial characteristics of the output from short inversion time self terminating laser with various resonators,” Opt. Eng. 33, 1908–1920 (1994).
[CrossRef]

S. K. Dixit, J. K. Mittal, B. Singh, P. Saxena, R. Bhatnagar, “A generalised diffraction filtered with a copper vapour laser,” Opt. Commun. 98, 91–94 (1993).
[CrossRef]

S. K. Dixit, O. Prakash, S. Talwar, R. Bhatnagar, “Generalised diffraction filtered resonator (GDFR) copper vapour laser and its applications: a study,” in Filtering Resonators, S. K. Dixit, eds. (Nova Science, Huntington, New York, 2001), pp. 253–301.

Boley, C. D.

J. J. Chang, B. E. Warner, C. D. Boley, E. P. Dragon, “High power copper vapour laser and application,” in Pulsed Metal Vapour Laser, C. E. Little, N. V. Sabotinov, eds. (Kluwer Academic, Dordrecht, Netherlands, 1996), pp. 101–112.
[CrossRef]

Born, M.

M. Born, E. Wolf, Principles of Optics (Pergamon, New York, 1975), p. 508.

Brown, D. J. W.

D. J. W. Brown, M. J. Withford, J. A. Piper, “High power, high brightness master oscillator-power amplifier copper laser system based on kinetically enhanced active elements,” IEEE J. Quantum Electron. QE-37, 518–524 (2001).
[CrossRef]

D. J. W. Brown, D. W. Coutts, “Beam quality issues on copper vapour laser,” in Pulsed Metal Vapour Laser, C. E. Little, N. V. Sabotinov, eds. (Kluwer Academic, Dordrecht, Netherlands, 1996), pp. 241–254.
[CrossRef]

Chang, J. J.

J. J. Chang, “Time resolved beam quality characterization of copper vapour laser with unstable resonator,” Appl. Opt. 33, 2255–2265 (1994).
[CrossRef] [PubMed]

J. J. Chang, B. E. Warner, C. D. Boley, E. P. Dragon, “High power copper vapour laser and application,” in Pulsed Metal Vapour Laser, C. E. Little, N. V. Sabotinov, eds. (Kluwer Academic, Dordrecht, Netherlands, 1996), pp. 101–112.
[CrossRef]

Chatterjee, S.

Chihara, M.

T. Omatsu, K. Kuroda, T. Shimura, M. Chihara, M. Itoh, I. Ogura, “Time resolved measurement of beam divergence of a copper vapour laser using a saturable absorber,” Opt. Commun. 85, 343–349 (1991).
[CrossRef]

Choube, R.

S. K. Dixit, B. Singh, J. K. Mittal, R. Choube, R. Bhatnagar, “Analysis of the temporal and spatial characteristics of the output from short inversion time self terminating laser with various resonators,” Opt. Eng. 33, 1908–1920 (1994).
[CrossRef]

Chursin, A. D.

V. V. Zubov, N. A. Lyabin, A. D. Chursin, “Efficient master oscillator amplifier system utilizing copper vapour laser active elements,” Sov. J. Quantum Electron. 16, 1606–1610 (1986).
[CrossRef]

V. P. Belyaev, V. V. Zubov, A. A. Isaev, N. A. Lyabin, Yu. F. Sobolev, A. D. Chursin, “Spatial, temporal and energy characteristics of copper vapour laser radiation,” Sov. J. Quantum Electron. 15, 40–44 (1985).
[CrossRef]

Countance, P.

E. Le Guyadec, P. Countance, G. Bertrand, G. Peltier, “A 280-W average power Cu-Ne-HBr laser amplifier,” IEEE J. Quantum Electron. QE-35, 1616–1622 (1999).
[CrossRef]

Coutts, D. W.

D. W. Coutts, “Time resolved beam divergence from a copper vapor laser with unstable resonator,” IEEE J. Quantum Electron. QE-31, 330–342 (1995).
[CrossRef]

D. J. W. Brown, D. W. Coutts, “Beam quality issues on copper vapour laser,” in Pulsed Metal Vapour Laser, C. E. Little, N. V. Sabotinov, eds. (Kluwer Academic, Dordrecht, Netherlands, 1996), pp. 241–254.
[CrossRef]

Coutts, G. W.

M. J. LaChappell, L. W. Spencer, G. W. Coutts, “Large scale copper vapour laser computer control system,” Lawrence Livermore National Lab. report no. UCRL-82275 (Lawrence Livermore National Laboratory, Livermore, Calif., 1979).

Dixit, S. K.

O. Prakash, S. K. Dixit, R. Bhatnagar, “On the role of coherence width and its evolution in a short pulse fundamental beam in second harmonic generation from beta barium borate,” IEEE J. Quantum Electron. QE-38, 603–613 (2002).
[CrossRef]

O. Prakash, P. K. Shukla, S. K. Dixit, S. Chatterjee, H. S. Vora, R. Bhatnagar, “Spatial coherence of the generalized diffraction-filtered resonator copper vapor laser,” Appl. Opt. 37, 7752–7757 (1998).
[CrossRef]

S. K. Dixit, B. Singh, J. K. Mittal, R. Choube, R. Bhatnagar, “Analysis of the temporal and spatial characteristics of the output from short inversion time self terminating laser with various resonators,” Opt. Eng. 33, 1908–1920 (1994).
[CrossRef]

S. K. Dixit, J. K. Mittal, B. Singh, P. Saxena, R. Bhatnagar, “A generalised diffraction filtered with a copper vapour laser,” Opt. Commun. 98, 91–94 (1993).
[CrossRef]

S. K. Dixit, O. Prakash, S. Talwar, R. Bhatnagar, “Generalised diffraction filtered resonator (GDFR) copper vapour laser and its applications: a study,” in Filtering Resonators, S. K. Dixit, eds. (Nova Science, Huntington, New York, 2001), pp. 253–301.

Dragon, E. P.

J. J. Chang, B. E. Warner, C. D. Boley, E. P. Dragon, “High power copper vapour laser and application,” in Pulsed Metal Vapour Laser, C. E. Little, N. V. Sabotinov, eds. (Kluwer Academic, Dordrecht, Netherlands, 1996), pp. 101–112.
[CrossRef]

Erez, G.

M. Amit, S. Lavi, G. Erez, E. Miron, “Temporal and spatial properties of an oscillator amplifier copper vapor laser,” Opt. Commun. 62, 110–114 (1987).
[CrossRef]

Grove, R.

R. S. Hargrove, R. Grove, T. Kan, “Copper vapour laser unstable resonator oscillator and oscillator-amplifier characteristics,” IEEE J. Quantum. Electron. QE-15, 1228–1233 (1979).
[CrossRef]

Hargrove, R. S.

R. S. Hargrove, R. Grove, T. Kan, “Copper vapour laser unstable resonator oscillator and oscillator-amplifier characteristics,” IEEE J. Quantum. Electron. QE-15, 1228–1233 (1979).
[CrossRef]

Hong, R.

L. Peithui, R. Hong, C. Xuzong, L. Jianqui, “Far-field distribution of laser beam from oscillator and amplifier of copper vapour laser,” Chin. J. Laser (Special issue in Laser Devices) 12, 15–25 (1991).

Isaev, A. A.

V. P. Belyaev, V. V. Zubov, A. A. Isaev, N. A. Lyabin, Yu. F. Sobolev, A. D. Chursin, “Spatial, temporal and energy characteristics of copper vapour laser radiation,” Sov. J. Quantum Electron. 15, 40–44 (1985).
[CrossRef]

Itoh, M.

T. Omatsu, K. Kuroda, T. Shimura, M. Chihara, M. Itoh, I. Ogura, “Time resolved measurement of beam divergence of a copper vapour laser using a saturable absorber,” Opt. Commun. 85, 343–349 (1991).
[CrossRef]

Jianqui, L.

L. Peithui, R. Hong, C. Xuzong, L. Jianqui, “Far-field distribution of laser beam from oscillator and amplifier of copper vapour laser,” Chin. J. Laser (Special issue in Laser Devices) 12, 15–25 (1991).

Kan, T.

R. S. Hargrove, R. Grove, T. Kan, “Copper vapour laser unstable resonator oscillator and oscillator-amplifier characteristics,” IEEE J. Quantum. Electron. QE-15, 1228–1233 (1979).
[CrossRef]

Kearsley, A. J.

G. A. Naylor, R. R. Lewis, A. J. Kearsley, “Performance of a high power copper vapour lasers in an injection-controlled oscillator-amplifier configuration,” in Gas Laser Technology, P. P. Chenausky, R. A. Sauerbien, J. H. Tillotson, eds., Proc. SPIE894, 100–117 (1988).
[CrossRef]

Kuroda, K.

T. Omatsu, K. Kuroda, T. Shimura, M. Chihara, M. Itoh, I. Ogura, “Time resolved measurement of beam divergence of a copper vapour laser using a saturable absorber,” Opt. Commun. 85, 343–349 (1991).
[CrossRef]

LaChappell, M. J.

M. J. LaChappell, L. W. Spencer, G. W. Coutts, “Large scale copper vapour laser computer control system,” Lawrence Livermore National Lab. report no. UCRL-82275 (Lawrence Livermore National Laboratory, Livermore, Calif., 1979).

Lavi, S.

M. Amit, S. Lavi, G. Erez, E. Miron, “Temporal and spatial properties of an oscillator amplifier copper vapor laser,” Opt. Commun. 62, 110–114 (1987).
[CrossRef]

Le Guyadec, E.

E. Le Guyadec, P. Countance, G. Bertrand, G. Peltier, “A 280-W average power Cu-Ne-HBr laser amplifier,” IEEE J. Quantum Electron. QE-35, 1616–1622 (1999).
[CrossRef]

Lewis, R. R.

G. A. Naylor, R. R. Lewis, A. J. Kearsley, “Performance of a high power copper vapour lasers in an injection-controlled oscillator-amplifier configuration,” in Gas Laser Technology, P. P. Chenausky, R. A. Sauerbien, J. H. Tillotson, eds., Proc. SPIE894, 100–117 (1988).
[CrossRef]

Lyabin, N. A.

V. V. Zubov, N. A. Lyabin, A. D. Chursin, “Efficient master oscillator amplifier system utilizing copper vapour laser active elements,” Sov. J. Quantum Electron. 16, 1606–1610 (1986).
[CrossRef]

V. P. Belyaev, V. V. Zubov, A. A. Isaev, N. A. Lyabin, Yu. F. Sobolev, A. D. Chursin, “Spatial, temporal and energy characteristics of copper vapour laser radiation,” Sov. J. Quantum Electron. 15, 40–44 (1985).
[CrossRef]

Miron, E.

M. Amit, S. Lavi, G. Erez, E. Miron, “Temporal and spatial properties of an oscillator amplifier copper vapor laser,” Opt. Commun. 62, 110–114 (1987).
[CrossRef]

Mittal, J. K.

S. K. Dixit, B. Singh, J. K. Mittal, R. Choube, R. Bhatnagar, “Analysis of the temporal and spatial characteristics of the output from short inversion time self terminating laser with various resonators,” Opt. Eng. 33, 1908–1920 (1994).
[CrossRef]

S. K. Dixit, J. K. Mittal, B. Singh, P. Saxena, R. Bhatnagar, “A generalised diffraction filtered with a copper vapour laser,” Opt. Commun. 98, 91–94 (1993).
[CrossRef]

Nakhe, S. V.

H. S. Vora, S. V. Nakhe, K. K. Sharangpani, P. Saxena, R. Bhalnagar, N. D. Shirke, “Profile monitor for laser beam parameter measurements,” in Proceedings of the National Laser Symposium, U. Nundy, ed. (National Laser Program, Centre for Advanced Technology, Indore, India, 1994), pp. 260, 261.

Naylor, G. A.

G. A. Naylor, R. R. Lewis, A. J. Kearsley, “Performance of a high power copper vapour lasers in an injection-controlled oscillator-amplifier configuration,” in Gas Laser Technology, P. P. Chenausky, R. A. Sauerbien, J. H. Tillotson, eds., Proc. SPIE894, 100–117 (1988).
[CrossRef]

Nikonchuk, M.

M. Nikonchuk, R. Okunev, I. Polyakov, “Copper vapour laser with self filtering unstable resonator,” in High-Power Gas Lasers, P. V. Avizonis, C. A. Freed, J. J. Kim, F. K. Tittel, eds., Proc. SPIE1225, 419–429 (1990).
[CrossRef]

Ogura, I.

T. Omatsu, K. Kuroda, T. Shimura, M. Chihara, M. Itoh, I. Ogura, “Time resolved measurement of beam divergence of a copper vapour laser using a saturable absorber,” Opt. Commun. 85, 343–349 (1991).
[CrossRef]

Okunev, R.

M. Nikonchuk, R. Okunev, I. Polyakov, “Copper vapour laser with self filtering unstable resonator,” in High-Power Gas Lasers, P. V. Avizonis, C. A. Freed, J. J. Kim, F. K. Tittel, eds., Proc. SPIE1225, 419–429 (1990).
[CrossRef]

Omatsu, T.

T. Omatsu, K. Kuroda, T. Shimura, M. Chihara, M. Itoh, I. Ogura, “Time resolved measurement of beam divergence of a copper vapour laser using a saturable absorber,” Opt. Commun. 85, 343–349 (1991).
[CrossRef]

Peithui, L.

L. Peithui, R. Hong, C. Xuzong, L. Jianqui, “Far-field distribution of laser beam from oscillator and amplifier of copper vapour laser,” Chin. J. Laser (Special issue in Laser Devices) 12, 15–25 (1991).

Peltier, G.

E. Le Guyadec, P. Countance, G. Bertrand, G. Peltier, “A 280-W average power Cu-Ne-HBr laser amplifier,” IEEE J. Quantum Electron. QE-35, 1616–1622 (1999).
[CrossRef]

Piper, J. A.

D. J. W. Brown, M. J. Withford, J. A. Piper, “High power, high brightness master oscillator-power amplifier copper laser system based on kinetically enhanced active elements,” IEEE J. Quantum Electron. QE-37, 518–524 (2001).
[CrossRef]

Polyakov, I.

M. Nikonchuk, R. Okunev, I. Polyakov, “Copper vapour laser with self filtering unstable resonator,” in High-Power Gas Lasers, P. V. Avizonis, C. A. Freed, J. J. Kim, F. K. Tittel, eds., Proc. SPIE1225, 419–429 (1990).
[CrossRef]

Prakash, O.

O. Prakash, S. K. Dixit, R. Bhatnagar, “On the role of coherence width and its evolution in a short pulse fundamental beam in second harmonic generation from beta barium borate,” IEEE J. Quantum Electron. QE-38, 603–613 (2002).
[CrossRef]

O. Prakash, P. K. Shukla, S. K. Dixit, S. Chatterjee, H. S. Vora, R. Bhatnagar, “Spatial coherence of the generalized diffraction-filtered resonator copper vapor laser,” Appl. Opt. 37, 7752–7757 (1998).
[CrossRef]

S. K. Dixit, O. Prakash, S. Talwar, R. Bhatnagar, “Generalised diffraction filtered resonator (GDFR) copper vapour laser and its applications: a study,” in Filtering Resonators, S. K. Dixit, eds. (Nova Science, Huntington, New York, 2001), pp. 253–301.

Saxena, P.

S. K. Dixit, J. K. Mittal, B. Singh, P. Saxena, R. Bhatnagar, “A generalised diffraction filtered with a copper vapour laser,” Opt. Commun. 98, 91–94 (1993).
[CrossRef]

H. S. Vora, S. V. Nakhe, K. K. Sharangpani, P. Saxena, R. Bhalnagar, N. D. Shirke, “Profile monitor for laser beam parameter measurements,” in Proceedings of the National Laser Symposium, U. Nundy, ed. (National Laser Program, Centre for Advanced Technology, Indore, India, 1994), pp. 260, 261.

Sharangpani, K. K.

H. S. Vora, S. V. Nakhe, K. K. Sharangpani, P. Saxena, R. Bhalnagar, N. D. Shirke, “Profile monitor for laser beam parameter measurements,” in Proceedings of the National Laser Symposium, U. Nundy, ed. (National Laser Program, Centre for Advanced Technology, Indore, India, 1994), pp. 260, 261.

Shimura, T.

T. Omatsu, K. Kuroda, T. Shimura, M. Chihara, M. Itoh, I. Ogura, “Time resolved measurement of beam divergence of a copper vapour laser using a saturable absorber,” Opt. Commun. 85, 343–349 (1991).
[CrossRef]

Shirke, N. D.

H. S. Vora, S. V. Nakhe, K. K. Sharangpani, P. Saxena, R. Bhalnagar, N. D. Shirke, “Profile monitor for laser beam parameter measurements,” in Proceedings of the National Laser Symposium, U. Nundy, ed. (National Laser Program, Centre for Advanced Technology, Indore, India, 1994), pp. 260, 261.

Shukla, P. K.

Singh, B.

S. K. Dixit, B. Singh, J. K. Mittal, R. Choube, R. Bhatnagar, “Analysis of the temporal and spatial characteristics of the output from short inversion time self terminating laser with various resonators,” Opt. Eng. 33, 1908–1920 (1994).
[CrossRef]

S. K. Dixit, J. K. Mittal, B. Singh, P. Saxena, R. Bhatnagar, “A generalised diffraction filtered with a copper vapour laser,” Opt. Commun. 98, 91–94 (1993).
[CrossRef]

Sobolev, Yu. F.

V. P. Belyaev, V. V. Zubov, A. A. Isaev, N. A. Lyabin, Yu. F. Sobolev, A. D. Chursin, “Spatial, temporal and energy characteristics of copper vapour laser radiation,” Sov. J. Quantum Electron. 15, 40–44 (1985).
[CrossRef]

Spencer, L. W.

M. J. LaChappell, L. W. Spencer, G. W. Coutts, “Large scale copper vapour laser computer control system,” Lawrence Livermore National Lab. report no. UCRL-82275 (Lawrence Livermore National Laboratory, Livermore, Calif., 1979).

Talwar, S.

S. K. Dixit, O. Prakash, S. Talwar, R. Bhatnagar, “Generalised diffraction filtered resonator (GDFR) copper vapour laser and its applications: a study,” in Filtering Resonators, S. K. Dixit, eds. (Nova Science, Huntington, New York, 2001), pp. 253–301.

Vora, H. S.

O. Prakash, P. K. Shukla, S. K. Dixit, S. Chatterjee, H. S. Vora, R. Bhatnagar, “Spatial coherence of the generalized diffraction-filtered resonator copper vapor laser,” Appl. Opt. 37, 7752–7757 (1998).
[CrossRef]

H. S. Vora, S. V. Nakhe, K. K. Sharangpani, P. Saxena, R. Bhalnagar, N. D. Shirke, “Profile monitor for laser beam parameter measurements,” in Proceedings of the National Laser Symposium, U. Nundy, ed. (National Laser Program, Centre for Advanced Technology, Indore, India, 1994), pp. 260, 261.

Warner, B. E.

J. J. Chang, B. E. Warner, C. D. Boley, E. P. Dragon, “High power copper vapour laser and application,” in Pulsed Metal Vapour Laser, C. E. Little, N. V. Sabotinov, eds. (Kluwer Academic, Dordrecht, Netherlands, 1996), pp. 101–112.
[CrossRef]

Withford, M. J.

D. J. W. Brown, M. J. Withford, J. A. Piper, “High power, high brightness master oscillator-power amplifier copper laser system based on kinetically enhanced active elements,” IEEE J. Quantum Electron. QE-37, 518–524 (2001).
[CrossRef]

Wolf, E.

M. Born, E. Wolf, Principles of Optics (Pergamon, New York, 1975), p. 508.

Xuzong, C.

L. Peithui, R. Hong, C. Xuzong, L. Jianqui, “Far-field distribution of laser beam from oscillator and amplifier of copper vapour laser,” Chin. J. Laser (Special issue in Laser Devices) 12, 15–25 (1991).

Zubov, V. V.

V. V. Zubov, N. A. Lyabin, A. D. Chursin, “Efficient master oscillator amplifier system utilizing copper vapour laser active elements,” Sov. J. Quantum Electron. 16, 1606–1610 (1986).
[CrossRef]

V. P. Belyaev, V. V. Zubov, A. A. Isaev, N. A. Lyabin, Yu. F. Sobolev, A. D. Chursin, “Spatial, temporal and energy characteristics of copper vapour laser radiation,” Sov. J. Quantum Electron. 15, 40–44 (1985).
[CrossRef]

Appl. Opt. (2)

Chin. J. Laser (1)

L. Peithui, R. Hong, C. Xuzong, L. Jianqui, “Far-field distribution of laser beam from oscillator and amplifier of copper vapour laser,” Chin. J. Laser (Special issue in Laser Devices) 12, 15–25 (1991).

IEEE J. Quantum Electron. (4)

O. Prakash, S. K. Dixit, R. Bhatnagar, “On the role of coherence width and its evolution in a short pulse fundamental beam in second harmonic generation from beta barium borate,” IEEE J. Quantum Electron. QE-38, 603–613 (2002).
[CrossRef]

D. W. Coutts, “Time resolved beam divergence from a copper vapor laser with unstable resonator,” IEEE J. Quantum Electron. QE-31, 330–342 (1995).
[CrossRef]

E. Le Guyadec, P. Countance, G. Bertrand, G. Peltier, “A 280-W average power Cu-Ne-HBr laser amplifier,” IEEE J. Quantum Electron. QE-35, 1616–1622 (1999).
[CrossRef]

D. J. W. Brown, M. J. Withford, J. A. Piper, “High power, high brightness master oscillator-power amplifier copper laser system based on kinetically enhanced active elements,” IEEE J. Quantum Electron. QE-37, 518–524 (2001).
[CrossRef]

IEEE J. Quantum. Electron. (1)

R. S. Hargrove, R. Grove, T. Kan, “Copper vapour laser unstable resonator oscillator and oscillator-amplifier characteristics,” IEEE J. Quantum. Electron. QE-15, 1228–1233 (1979).
[CrossRef]

Opt. Commun. (3)

T. Omatsu, K. Kuroda, T. Shimura, M. Chihara, M. Itoh, I. Ogura, “Time resolved measurement of beam divergence of a copper vapour laser using a saturable absorber,” Opt. Commun. 85, 343–349 (1991).
[CrossRef]

M. Amit, S. Lavi, G. Erez, E. Miron, “Temporal and spatial properties of an oscillator amplifier copper vapor laser,” Opt. Commun. 62, 110–114 (1987).
[CrossRef]

S. K. Dixit, J. K. Mittal, B. Singh, P. Saxena, R. Bhatnagar, “A generalised diffraction filtered with a copper vapour laser,” Opt. Commun. 98, 91–94 (1993).
[CrossRef]

Opt. Eng. (1)

S. K. Dixit, B. Singh, J. K. Mittal, R. Choube, R. Bhatnagar, “Analysis of the temporal and spatial characteristics of the output from short inversion time self terminating laser with various resonators,” Opt. Eng. 33, 1908–1920 (1994).
[CrossRef]

Sov. J. Quantum Electron. (2)

V. P. Belyaev, V. V. Zubov, A. A. Isaev, N. A. Lyabin, Yu. F. Sobolev, A. D. Chursin, “Spatial, temporal and energy characteristics of copper vapour laser radiation,” Sov. J. Quantum Electron. 15, 40–44 (1985).
[CrossRef]

V. V. Zubov, N. A. Lyabin, A. D. Chursin, “Efficient master oscillator amplifier system utilizing copper vapour laser active elements,” Sov. J. Quantum Electron. 16, 1606–1610 (1986).
[CrossRef]

Other (10)

M. Born, E. Wolf, Principles of Optics (Pergamon, New York, 1975), p. 508.

Mathematica Version 2.2 (Wolfram Research, Inc., Champaign, Ill., 1993).

S. K. Dixit, O. Prakash, S. Talwar, R. Bhatnagar, “Generalised diffraction filtered resonator (GDFR) copper vapour laser and its applications: a study,” in Filtering Resonators, S. K. Dixit, eds. (Nova Science, Huntington, New York, 2001), pp. 253–301.

M. Nikonchuk, R. Okunev, I. Polyakov, “Copper vapour laser with self filtering unstable resonator,” in High-Power Gas Lasers, P. V. Avizonis, C. A. Freed, J. J. Kim, F. K. Tittel, eds., Proc. SPIE1225, 419–429 (1990).
[CrossRef]

G. A. Naylor, R. R. Lewis, A. J. Kearsley, “Performance of a high power copper vapour lasers in an injection-controlled oscillator-amplifier configuration,” in Gas Laser Technology, P. P. Chenausky, R. A. Sauerbien, J. H. Tillotson, eds., Proc. SPIE894, 100–117 (1988).
[CrossRef]

D. J. W. Brown, D. W. Coutts, “Beam quality issues on copper vapour laser,” in Pulsed Metal Vapour Laser, C. E. Little, N. V. Sabotinov, eds. (Kluwer Academic, Dordrecht, Netherlands, 1996), pp. 241–254.
[CrossRef]

J. J. Chang, B. E. Warner, C. D. Boley, E. P. Dragon, “High power copper vapour laser and application,” in Pulsed Metal Vapour Laser, C. E. Little, N. V. Sabotinov, eds. (Kluwer Academic, Dordrecht, Netherlands, 1996), pp. 101–112.
[CrossRef]

M. J. LaChappell, L. W. Spencer, G. W. Coutts, “Large scale copper vapour laser computer control system,” Lawrence Livermore National Lab. report no. UCRL-82275 (Lawrence Livermore National Laboratory, Livermore, Calif., 1979).

C. E. Little, ed., Metal Vapour Laser (Wiley, New York, 1999) p. 277.

H. S. Vora, S. V. Nakhe, K. K. Sharangpani, P. Saxena, R. Bhalnagar, N. D. Shirke, “Profile monitor for laser beam parameter measurements,” in Proceedings of the National Laser Symposium, U. Nundy, ed. (National Laser Program, Centre for Advanced Technology, Indore, India, 1994), pp. 260, 261.

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Figures (10)

Fig. 1
Fig. 1

Experimental setup for the first round-trip coherence calculation of UR and GDFR master oscillator.

Fig. 2
Fig. 2

Variation of degree of coherence versus radial distance for the first round trips for (a) GDFR MOPA (b) UR MOPA.

Fig. 3
Fig. 3

Experimental setup for CVL MOPA, time-resolved divergence, and coherence measurement.

Fig. 4
Fig. 4

Streak scan image of the far-field intensity of oscillator (a) GDFR and (b) UR MO = 100 and (c) variation of the oscillator divergence within the pulse.

Fig. 5
Fig. 5

Streak scans of the far-field intensity at delays of +24, 0, and -24 ns for (a) GDFR MOPA and (b) UR MOPA.

Fig. 6
Fig. 6

Variation of divergence within the pulse for GDFR MOPA and UR MOPA for delays of (a) 0, (b) +24, and (c) -24 ns.

Fig. 7
Fig. 7

Reversible shear interferogram along with fringe intensity variation across the beam diameter for GDFR MOPA at delays of (a) +24, (b) 0, and (c) -24 ns and for UR MOPA at delays of (d) +16, (e) 0, and (f) -16 ns.

Fig. 8
Fig. 8

Degree of coherence versus radial distance at various delays for (a) GDFR MOPA and (b) UR MOPA.

Fig. 9
Fig. 9

Variation of pulse duration, coherence width, and output power at various delays for (a) GDFR MOPA and (b) UR MOPA.

Fig. 10
Fig. 10

Variation of F 1[P av (W 2/τ)] and F (P av W 2) with delay for GDFR MOPA and UR MOPA.

Equations (5)

Equations on this page are rendered with MathJax. Learn more.

|γ|=sinckρa/B,
BUR=MURL2-L/f1+MUR+1×1-L/f1/MUR2,
BGDFR=2L+L2/f1,
F1=F/τ=Pav/τr1/πf2.44λ/W2/4F1=Pav/τrπf.2.44.λ/W2/4,
F1  PavW2/τ.

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