Abstract

The experimental results on the laser isotope separation of the neodimium, samarium, europium, gadolinium dysprosium and erbium by the selective two-step photoionization are given. The rare earth elements have been chosen for the investigation because they constitute a good series of the very similar but different atoms that are heavy enough and allow experiments to be carried out that are representative enough The experimental technique developed for the laser isotope separation experiments has been applied to measure the excitation energy transfer cross sections at the collisions in the gas of the same atoms (153Eu ↔ 151Eu, σ = 1.4 × 10−13cm2).The combination of the selective two-step photoionization and ion mass filtration allowed us to develop a very convenient technique for the precise measurement of hyperfine structure in the spectrum of odd isotopes. The examples of dysprosium and erbium are given. The technique is good for the rare and unstable isotopes as well. The ionization cross sections for the transition starting off the excited level have been estimated (≈ 10−17 cm2). For the example of gadolinium the possibility of creating neutral atomic vapor dense enough for laser isotope separation by the electron-beam evaporation technique has been demonstrated.

© 1978 Optical Society of America

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  1. N. V. Karlov, A. M. Prokhorov, Usp. Fiz. Nauk 118, 483 (1976) [Sov. Phys. Usp. 19, 285 (1976)].
    [CrossRef]
  2. V. S. Letokhov, C. B. Moore, Kvanotovaya Electron (Moscow) 3, 248 (1976) [Sov. J. Quantum Electron. 6, 129 (1976)].
  3. N. G. Basov et al., Usp. Fiz. Nauk 121, 427 (1977) [Sov. Phys. Usp 20, 209 (1977)].
    [CrossRef]
  4. N. V. Karlov, B. A. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Kvantovaya Electron (Moscow) 3, 2486 (1976) [Sov. J. Quantum Electron. 6, 1363 (1976)].
  5. N. V. Karlov, B. B. Krynetskii, S. V. Kouzmin, V. A. Mishin, A. M. Prokhorov, Kvantovaya Electron (Moscow) 3, 2503 (1976) [Sov. J. Quantum Electron. 6, 1376 (1976)].
  6. N. V. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Pisma Zh. Teor. Fiz. 2, 961 (1971).
  7. N. V. Karlov, B. B. Krynetskii, V. A. Mishiv, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz.25, 318 (1977) [JETP Lett. 25, in press (1977)].
  8. N. N. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz.25, 518 (1977) [JETP Lett. 25, in press (1977)].
  9. V. V. Karlov, B. B. Krunetskii, V. A. Mishin, FIAN Preprint N48 (1977).
  10. N. V. Karlov, A. M. Prokhorov, Kvantovaya Electron (Moscow) 2, 1671 (1975) [Sov. J. Quantum Electron. 5, 904 (1975)].
  11. N. V. Karlov, Yu. B. Konev, A. M. Prokhorov, Kvantovaya Electron (Moscow) 2, 2453 (1975) [Sov. J. Quantum Electron. 5, 1336 (1975)].
  12. R. V. Ambartsumian, V. P. Kalinin, V. S. Letokhov, Pisma Zh. Eskp. Teor. Fiz. 13, 305 (1971) [JETP Lett. 13, 217 (1971)].
  13. N. V. Karlov, Yu. B. Konev, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz. 13, 178 (1971) [JETP Lett. 14, 117 (1971)].
  14. S. A. Tuccio, T. W. Durbin, O. G. Peterson, A. B. Snavely, Eighth International Quantum Electronics Conference, San Francisco, Postdeadline paper Q14 (1974).
  15. N. V. Istshenko, V. N. Lisitsin, A. H. Pajev, Appl. Phys. 12, 55 (1977).
    [CrossRef]
  16. P. Keinkomberg, Physica 12, 33 (1946).
    [CrossRef]
  17. W. Aebertson, Phys. Rev. 52, 644 (1977).
    [CrossRef]
  18. A. R. Striganov, V. A. Katulin, V. V. Eliseev, Opt. Spektrosk. 12, 171 (1962) [Opt. Spectrosc. 12, 91 (1962).].
  19. H. V. Russel, A. S. King, Astrophys. J. 90, 155 (1939)
    [CrossRef]
  20. P. Brix, Z. Phys. 132, 579 (1952).
    [CrossRef]
  21. W. Abbertson, Phys. Rev. 49, 208 (1936).
  22. H. V. Russel, J. Opt. Soc. Am. 40, 550 (1950).
    [CrossRef]
  23. J. G. Conwag, E. F. Warden, J. Opt. Soc. Am. 61, 704 (1971).
    [CrossRef]
  24. J. Ross, J. Opt. Soc. Am. 62, 548 (1972).
    [CrossRef]
  25. A. Y. Cabezas, J. Lindren, R. Marrus, Phys. Rev. 122, 1796 (1964).
    [CrossRef]
  26. N. Spector, S. Held, Astrophys. J. 167, 193 (1971).
    [CrossRef]
  27. I. I. Sobelman, Experimental and Theoretical Atomic Spectroscopy (Fiz. Mat. Lit., Moscow, 1963).
  28. B. M. Smirnov, Asimptoticheskie metody u teormi atomnykh stolknovenii (Atomizdat, Moscow, 1977).

1977 (4)

N. G. Basov et al., Usp. Fiz. Nauk 121, 427 (1977) [Sov. Phys. Usp 20, 209 (1977)].
[CrossRef]

V. V. Karlov, B. B. Krunetskii, V. A. Mishin, FIAN Preprint N48 (1977).

N. V. Istshenko, V. N. Lisitsin, A. H. Pajev, Appl. Phys. 12, 55 (1977).
[CrossRef]

W. Aebertson, Phys. Rev. 52, 644 (1977).
[CrossRef]

1976 (4)

N. V. Karlov, A. M. Prokhorov, Usp. Fiz. Nauk 118, 483 (1976) [Sov. Phys. Usp. 19, 285 (1976)].
[CrossRef]

V. S. Letokhov, C. B. Moore, Kvanotovaya Electron (Moscow) 3, 248 (1976) [Sov. J. Quantum Electron. 6, 129 (1976)].

N. V. Karlov, B. A. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Kvantovaya Electron (Moscow) 3, 2486 (1976) [Sov. J. Quantum Electron. 6, 1363 (1976)].

N. V. Karlov, B. B. Krynetskii, S. V. Kouzmin, V. A. Mishin, A. M. Prokhorov, Kvantovaya Electron (Moscow) 3, 2503 (1976) [Sov. J. Quantum Electron. 6, 1376 (1976)].

1975 (2)

N. V. Karlov, A. M. Prokhorov, Kvantovaya Electron (Moscow) 2, 1671 (1975) [Sov. J. Quantum Electron. 5, 904 (1975)].

N. V. Karlov, Yu. B. Konev, A. M. Prokhorov, Kvantovaya Electron (Moscow) 2, 2453 (1975) [Sov. J. Quantum Electron. 5, 1336 (1975)].

1972 (1)

1971 (5)

N. Spector, S. Held, Astrophys. J. 167, 193 (1971).
[CrossRef]

J. G. Conwag, E. F. Warden, J. Opt. Soc. Am. 61, 704 (1971).
[CrossRef]

R. V. Ambartsumian, V. P. Kalinin, V. S. Letokhov, Pisma Zh. Eskp. Teor. Fiz. 13, 305 (1971) [JETP Lett. 13, 217 (1971)].

N. V. Karlov, Yu. B. Konev, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz. 13, 178 (1971) [JETP Lett. 14, 117 (1971)].

N. V. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Pisma Zh. Teor. Fiz. 2, 961 (1971).

1964 (1)

A. Y. Cabezas, J. Lindren, R. Marrus, Phys. Rev. 122, 1796 (1964).
[CrossRef]

1962 (1)

A. R. Striganov, V. A. Katulin, V. V. Eliseev, Opt. Spektrosk. 12, 171 (1962) [Opt. Spectrosc. 12, 91 (1962).].

1952 (1)

P. Brix, Z. Phys. 132, 579 (1952).
[CrossRef]

1950 (1)

1946 (1)

P. Keinkomberg, Physica 12, 33 (1946).
[CrossRef]

1939 (1)

H. V. Russel, A. S. King, Astrophys. J. 90, 155 (1939)
[CrossRef]

1936 (1)

W. Abbertson, Phys. Rev. 49, 208 (1936).

Abbertson, W.

W. Abbertson, Phys. Rev. 49, 208 (1936).

Aebertson, W.

W. Aebertson, Phys. Rev. 52, 644 (1977).
[CrossRef]

Ambartsumian, R. V.

R. V. Ambartsumian, V. P. Kalinin, V. S. Letokhov, Pisma Zh. Eskp. Teor. Fiz. 13, 305 (1971) [JETP Lett. 13, 217 (1971)].

Basov, N. G.

N. G. Basov et al., Usp. Fiz. Nauk 121, 427 (1977) [Sov. Phys. Usp 20, 209 (1977)].
[CrossRef]

Brix, P.

P. Brix, Z. Phys. 132, 579 (1952).
[CrossRef]

Cabezas, A. Y.

A. Y. Cabezas, J. Lindren, R. Marrus, Phys. Rev. 122, 1796 (1964).
[CrossRef]

Conwag, J. G.

Durbin, T. W.

S. A. Tuccio, T. W. Durbin, O. G. Peterson, A. B. Snavely, Eighth International Quantum Electronics Conference, San Francisco, Postdeadline paper Q14 (1974).

Eliseev, V. V.

A. R. Striganov, V. A. Katulin, V. V. Eliseev, Opt. Spektrosk. 12, 171 (1962) [Opt. Spectrosc. 12, 91 (1962).].

Held, S.

N. Spector, S. Held, Astrophys. J. 167, 193 (1971).
[CrossRef]

Istshenko, N. V.

N. V. Istshenko, V. N. Lisitsin, A. H. Pajev, Appl. Phys. 12, 55 (1977).
[CrossRef]

Kalinin, V. P.

R. V. Ambartsumian, V. P. Kalinin, V. S. Letokhov, Pisma Zh. Eskp. Teor. Fiz. 13, 305 (1971) [JETP Lett. 13, 217 (1971)].

Karlov, N. N.

N. N. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz.25, 518 (1977) [JETP Lett. 25, in press (1977)].

Karlov, N. V.

N. V. Karlov, B. A. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Kvantovaya Electron (Moscow) 3, 2486 (1976) [Sov. J. Quantum Electron. 6, 1363 (1976)].

N. V. Karlov, A. M. Prokhorov, Usp. Fiz. Nauk 118, 483 (1976) [Sov. Phys. Usp. 19, 285 (1976)].
[CrossRef]

N. V. Karlov, B. B. Krynetskii, S. V. Kouzmin, V. A. Mishin, A. M. Prokhorov, Kvantovaya Electron (Moscow) 3, 2503 (1976) [Sov. J. Quantum Electron. 6, 1376 (1976)].

N. V. Karlov, A. M. Prokhorov, Kvantovaya Electron (Moscow) 2, 1671 (1975) [Sov. J. Quantum Electron. 5, 904 (1975)].

N. V. Karlov, Yu. B. Konev, A. M. Prokhorov, Kvantovaya Electron (Moscow) 2, 2453 (1975) [Sov. J. Quantum Electron. 5, 1336 (1975)].

N. V. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Pisma Zh. Teor. Fiz. 2, 961 (1971).

N. V. Karlov, Yu. B. Konev, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz. 13, 178 (1971) [JETP Lett. 14, 117 (1971)].

N. V. Karlov, B. B. Krynetskii, V. A. Mishiv, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz.25, 318 (1977) [JETP Lett. 25, in press (1977)].

Karlov, V. V.

V. V. Karlov, B. B. Krunetskii, V. A. Mishin, FIAN Preprint N48 (1977).

Katulin, V. A.

A. R. Striganov, V. A. Katulin, V. V. Eliseev, Opt. Spektrosk. 12, 171 (1962) [Opt. Spectrosc. 12, 91 (1962).].

Keinkomberg, P.

P. Keinkomberg, Physica 12, 33 (1946).
[CrossRef]

King, A. S.

H. V. Russel, A. S. King, Astrophys. J. 90, 155 (1939)
[CrossRef]

Konev, Yu. B.

N. V. Karlov, Yu. B. Konev, A. M. Prokhorov, Kvantovaya Electron (Moscow) 2, 2453 (1975) [Sov. J. Quantum Electron. 5, 1336 (1975)].

N. V. Karlov, Yu. B. Konev, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz. 13, 178 (1971) [JETP Lett. 14, 117 (1971)].

Kouzmin, S. V.

N. V. Karlov, B. B. Krynetskii, S. V. Kouzmin, V. A. Mishin, A. M. Prokhorov, Kvantovaya Electron (Moscow) 3, 2503 (1976) [Sov. J. Quantum Electron. 6, 1376 (1976)].

Krunetskii, B. B.

V. V. Karlov, B. B. Krunetskii, V. A. Mishin, FIAN Preprint N48 (1977).

Krynetskii, B. A.

N. V. Karlov, B. A. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Kvantovaya Electron (Moscow) 3, 2486 (1976) [Sov. J. Quantum Electron. 6, 1363 (1976)].

Krynetskii, B. B.

N. V. Karlov, B. B. Krynetskii, S. V. Kouzmin, V. A. Mishin, A. M. Prokhorov, Kvantovaya Electron (Moscow) 3, 2503 (1976) [Sov. J. Quantum Electron. 6, 1376 (1976)].

N. V. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Pisma Zh. Teor. Fiz. 2, 961 (1971).

N. V. Karlov, B. B. Krynetskii, V. A. Mishiv, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz.25, 318 (1977) [JETP Lett. 25, in press (1977)].

N. N. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz.25, 518 (1977) [JETP Lett. 25, in press (1977)].

Letokhov, V. S.

V. S. Letokhov, C. B. Moore, Kvanotovaya Electron (Moscow) 3, 248 (1976) [Sov. J. Quantum Electron. 6, 129 (1976)].

R. V. Ambartsumian, V. P. Kalinin, V. S. Letokhov, Pisma Zh. Eskp. Teor. Fiz. 13, 305 (1971) [JETP Lett. 13, 217 (1971)].

Lindren, J.

A. Y. Cabezas, J. Lindren, R. Marrus, Phys. Rev. 122, 1796 (1964).
[CrossRef]

Lisitsin, V. N.

N. V. Istshenko, V. N. Lisitsin, A. H. Pajev, Appl. Phys. 12, 55 (1977).
[CrossRef]

Marrus, R.

A. Y. Cabezas, J. Lindren, R. Marrus, Phys. Rev. 122, 1796 (1964).
[CrossRef]

Mishin, V. A.

V. V. Karlov, B. B. Krunetskii, V. A. Mishin, FIAN Preprint N48 (1977).

N. V. Karlov, B. B. Krynetskii, S. V. Kouzmin, V. A. Mishin, A. M. Prokhorov, Kvantovaya Electron (Moscow) 3, 2503 (1976) [Sov. J. Quantum Electron. 6, 1376 (1976)].

N. V. Karlov, B. A. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Kvantovaya Electron (Moscow) 3, 2486 (1976) [Sov. J. Quantum Electron. 6, 1363 (1976)].

N. V. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Pisma Zh. Teor. Fiz. 2, 961 (1971).

N. N. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz.25, 518 (1977) [JETP Lett. 25, in press (1977)].

Mishiv, V. A.

N. V. Karlov, B. B. Krynetskii, V. A. Mishiv, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz.25, 318 (1977) [JETP Lett. 25, in press (1977)].

Moore, C. B.

V. S. Letokhov, C. B. Moore, Kvanotovaya Electron (Moscow) 3, 248 (1976) [Sov. J. Quantum Electron. 6, 129 (1976)].

Pajev, A. H.

N. V. Istshenko, V. N. Lisitsin, A. H. Pajev, Appl. Phys. 12, 55 (1977).
[CrossRef]

Peterson, O. G.

S. A. Tuccio, T. W. Durbin, O. G. Peterson, A. B. Snavely, Eighth International Quantum Electronics Conference, San Francisco, Postdeadline paper Q14 (1974).

Prokhorov, A. M.

N. V. Karlov, A. M. Prokhorov, Usp. Fiz. Nauk 118, 483 (1976) [Sov. Phys. Usp. 19, 285 (1976)].
[CrossRef]

N. V. Karlov, B. A. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Kvantovaya Electron (Moscow) 3, 2486 (1976) [Sov. J. Quantum Electron. 6, 1363 (1976)].

N. V. Karlov, B. B. Krynetskii, S. V. Kouzmin, V. A. Mishin, A. M. Prokhorov, Kvantovaya Electron (Moscow) 3, 2503 (1976) [Sov. J. Quantum Electron. 6, 1376 (1976)].

N. V. Karlov, Yu. B. Konev, A. M. Prokhorov, Kvantovaya Electron (Moscow) 2, 2453 (1975) [Sov. J. Quantum Electron. 5, 1336 (1975)].

N. V. Karlov, A. M. Prokhorov, Kvantovaya Electron (Moscow) 2, 1671 (1975) [Sov. J. Quantum Electron. 5, 904 (1975)].

N. V. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Pisma Zh. Teor. Fiz. 2, 961 (1971).

N. V. Karlov, Yu. B. Konev, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz. 13, 178 (1971) [JETP Lett. 14, 117 (1971)].

N. V. Karlov, B. B. Krynetskii, V. A. Mishiv, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz.25, 318 (1977) [JETP Lett. 25, in press (1977)].

N. N. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz.25, 518 (1977) [JETP Lett. 25, in press (1977)].

Ross, J.

Russel, H. V.

H. V. Russel, J. Opt. Soc. Am. 40, 550 (1950).
[CrossRef]

H. V. Russel, A. S. King, Astrophys. J. 90, 155 (1939)
[CrossRef]

Saveliev, A. D.

N. V. Karlov, B. A. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Kvantovaya Electron (Moscow) 3, 2486 (1976) [Sov. J. Quantum Electron. 6, 1363 (1976)].

N. V. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Pisma Zh. Teor. Fiz. 2, 961 (1971).

Smirnov, B. M.

B. M. Smirnov, Asimptoticheskie metody u teormi atomnykh stolknovenii (Atomizdat, Moscow, 1977).

Smirnov, V. V.

N. V. Karlov, B. A. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Kvantovaya Electron (Moscow) 3, 2486 (1976) [Sov. J. Quantum Electron. 6, 1363 (1976)].

N. V. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Pisma Zh. Teor. Fiz. 2, 961 (1971).

Snavely, A. B.

S. A. Tuccio, T. W. Durbin, O. G. Peterson, A. B. Snavely, Eighth International Quantum Electronics Conference, San Francisco, Postdeadline paper Q14 (1974).

Sobelman, I. I.

I. I. Sobelman, Experimental and Theoretical Atomic Spectroscopy (Fiz. Mat. Lit., Moscow, 1963).

Spector, N.

N. Spector, S. Held, Astrophys. J. 167, 193 (1971).
[CrossRef]

Striganov, A. R.

A. R. Striganov, V. A. Katulin, V. V. Eliseev, Opt. Spektrosk. 12, 171 (1962) [Opt. Spectrosc. 12, 91 (1962).].

Tuccio, S. A.

S. A. Tuccio, T. W. Durbin, O. G. Peterson, A. B. Snavely, Eighth International Quantum Electronics Conference, San Francisco, Postdeadline paper Q14 (1974).

Warden, E. F.

Appl. Phys. (1)

N. V. Istshenko, V. N. Lisitsin, A. H. Pajev, Appl. Phys. 12, 55 (1977).
[CrossRef]

Astrophys. J. (2)

H. V. Russel, A. S. King, Astrophys. J. 90, 155 (1939)
[CrossRef]

N. Spector, S. Held, Astrophys. J. 167, 193 (1971).
[CrossRef]

FIAN Preprint N48 (1)

V. V. Karlov, B. B. Krunetskii, V. A. Mishin, FIAN Preprint N48 (1977).

J. Opt. Soc. Am. (3)

Kvanotovaya Electron (Moscow) (1)

V. S. Letokhov, C. B. Moore, Kvanotovaya Electron (Moscow) 3, 248 (1976) [Sov. J. Quantum Electron. 6, 129 (1976)].

Kvantovaya Electron (Moscow) (4)

N. V. Karlov, A. M. Prokhorov, Kvantovaya Electron (Moscow) 2, 1671 (1975) [Sov. J. Quantum Electron. 5, 904 (1975)].

N. V. Karlov, Yu. B. Konev, A. M. Prokhorov, Kvantovaya Electron (Moscow) 2, 2453 (1975) [Sov. J. Quantum Electron. 5, 1336 (1975)].

N. V. Karlov, B. A. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Kvantovaya Electron (Moscow) 3, 2486 (1976) [Sov. J. Quantum Electron. 6, 1363 (1976)].

N. V. Karlov, B. B. Krynetskii, S. V. Kouzmin, V. A. Mishin, A. M. Prokhorov, Kvantovaya Electron (Moscow) 3, 2503 (1976) [Sov. J. Quantum Electron. 6, 1376 (1976)].

Opt. Spektrosk. (1)

A. R. Striganov, V. A. Katulin, V. V. Eliseev, Opt. Spektrosk. 12, 171 (1962) [Opt. Spectrosc. 12, 91 (1962).].

Phys. Rev. (3)

W. Abbertson, Phys. Rev. 49, 208 (1936).

A. Y. Cabezas, J. Lindren, R. Marrus, Phys. Rev. 122, 1796 (1964).
[CrossRef]

W. Aebertson, Phys. Rev. 52, 644 (1977).
[CrossRef]

Physica (1)

P. Keinkomberg, Physica 12, 33 (1946).
[CrossRef]

Pisma Zh. Eskp. Teor. Fiz. (2)

R. V. Ambartsumian, V. P. Kalinin, V. S. Letokhov, Pisma Zh. Eskp. Teor. Fiz. 13, 305 (1971) [JETP Lett. 13, 217 (1971)].

N. V. Karlov, Yu. B. Konev, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz. 13, 178 (1971) [JETP Lett. 14, 117 (1971)].

Pisma Zh. Teor. Fiz. (1)

N. V. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, A. D. Saveliev, V. V. Smirnov, Pisma Zh. Teor. Fiz. 2, 961 (1971).

Usp. Fiz. Nauk (2)

N. G. Basov et al., Usp. Fiz. Nauk 121, 427 (1977) [Sov. Phys. Usp 20, 209 (1977)].
[CrossRef]

N. V. Karlov, A. M. Prokhorov, Usp. Fiz. Nauk 118, 483 (1976) [Sov. Phys. Usp. 19, 285 (1976)].
[CrossRef]

Z. Phys. (1)

P. Brix, Z. Phys. 132, 579 (1952).
[CrossRef]

Other (5)

N. V. Karlov, B. B. Krynetskii, V. A. Mishiv, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz.25, 318 (1977) [JETP Lett. 25, in press (1977)].

N. N. Karlov, B. B. Krynetskii, V. A. Mishin, A. M. Prokhorov, Pisma Zh. Eskp. Teor. Fiz.25, 518 (1977) [JETP Lett. 25, in press (1977)].

S. A. Tuccio, T. W. Durbin, O. G. Peterson, A. B. Snavely, Eighth International Quantum Electronics Conference, San Francisco, Postdeadline paper Q14 (1974).

I. I. Sobelman, Experimental and Theoretical Atomic Spectroscopy (Fiz. Mat. Lit., Moscow, 1963).

B. M. Smirnov, Asimptoticheskie metody u teormi atomnykh stolknovenii (Atomizdat, Moscow, 1977).

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Figures (16)

Fig. 1
Fig. 1

Isotopic structure of the Nd i transition at λ = 5887.9 Å.

Fig. 2
Fig. 2

LIS of the Nd i.

Fig. 3
Fig. 3

Isotopic structure of the Sm i transition at λ = 5916 Å.

Fig. 4
Fig. 4

LIS of the Sm i.

Fig. 5
Fig. 5

Isotopic structure of the intercombination transition of the Eu i at λ = 5765 Å.

Fig. 6
Fig. 6

LIS of the Eu i.

Fig. 7
Fig. 7

Isotopic structure of the Gd i transition at λ = 5856.2 Å.

Fig. 8
Fig. 8

LIS of the Gd i.

Fig. 9
Fig. 9

Isotopic structure of the Dy i transition at λ = 5988.6 Å.

Fig. 10
Fig. 10

LIS of the Dy i.

Fig. 11
Fig. 11

Isotopic structure of the Er i transition at λ = 5826.8 Å.

Fig. 12
Fig. 12

The 166Eu extraction by the LIS.

Fig. 13
Fig. 13

The 162Eu extraction by the LIS.

Fig. 14
Fig. 14

An investigation of the Dy i odd isotopes hfs in the naturally abundant admixture: (a) Dy i luminescence spectrum; (b) 161Dy i spectrum at laser scanning and mass spectrometry geristration; (c) 163Dy i spectrum at laser scanning and mass spectrometry registration; and (d) the sum of the spectra.

Fig. 15
Fig. 15

Hyperfine structure study of the Er i; (a) luminescence; (b) 167Er; and (c) the sum.

Fig. 16
Fig. 16

The EET for Eu: (a) the luminescence spectrum of the 153Eu; (b) the luminescence spectrum of the 151Eu; (c) the luminescence spectrum of the Eu vapor in the case of the EET from the 153Eu to the 151Eu.

Tables (5)

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Table I Summary of Isotopic Separation Results

Tables Icon

Table II Summary of Separation Results

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Table III Separation Results for Gd I

Tables Icon

Table IV Separation Results for Dy I

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