l References

1. T Silfvast, Appl Phys Lett 1^ 169 (1968) 2. J P Goldsborough, J Quantum Elect QE5 133 (1969)

3. W' T Silfvast and M B Klein, J Appl Phys Lett 400 (1970)

M B Klein and W T Silfvast, Appl Lett IB 482 (1971)

4. K G Hernqvist, Laser Focus £ 59 (1973) 5. T Silfvast, Phys Rev Lett Tj_ 1489 (1971)

6. J M Green and C E Webb, J Phys B Atom Molec Phys _7 1968 (1974) 7. P G Browne an'd M H Dunn,J Phys B Atom Molec Phys 6_ 1103 '(1973) 8. A L McKenzie, Thesis, University of St Andrews (1975)

9. W' K Schuebel, Appl Phys Lett 16 470 (1970) 10.. A J Palmer, Appl Phys ^ 3906 (1970)

11. C C V Voorhis and A G Shinston, Rev Sci Inst IB 257 (1941) 12. P F Little and A von Engel, Proc Roy Soc A224 209 (1954)

13. C Francis, Handbudi der Physik, Gas discharges 22-TI, Berlin,

Germany, Springer-Verlag

14. V S Borodin, Y M Kagan and R I Lyaguslichenlco, Sov Phys Tech Phys

11 887 (1967)

15. V M Tkachenko and V E Tyutyunik, Radio Pliys Quant Elect Translation

of IZ.V.UZ Radio Fizikâ'16 1766 (1973)

16. A von Engel, Ionised gases, Oxford, at the Clarendon Press (1965)

17. E A Ballik, Appl Opt 5 170 (1966)

18. I Ya Fugal, D A kîyshlcis and 0 N Gregorshchenko, Opt and Spet

31 282 (1971)

19. H R Griem, Plasma Spectroscopy, McGraw'-Hill Company (1964)

20. J M Anderson, Appl Pliys 511 (1960)

21. H R Griem, A C Kolb and K Y Shen, Phys Rev 116 4 (1959) 22. H Margenau and M Lewis, Rev Mod Phys ^ 569 (1959) 23. M Baranger and B Mozer, Phys Rev 115 521 (1959)

24. B Mozer and M Baranger, Phys Rev 118 626 (1960)

25. R G Breene Jr, The Shift and Shape of spectral lines, Pergamon Press, Oxford, London, New York, Paris (1961)

26. C R Vidal, J Copper and E W Smith, Ast Phys J Suppl 25. 37 (1973) 27. A Maitland and M H Dunn, PhysFlinds^ 586 (1963)

28. P Gill and C E Webb, J Phys D Appl Phys 10 299 (1977)

29. P Kepple and H R Griem, Phys Rev 173 317 (1968)

30. S C Brown, Basic Data of plasma physicssecond edition, MIT Press

(1966)

31. E iV Rothe, L L Marina, R H Neynober and S M Treyilla, Phys Rev

125 582 (1962)

32. S J B Corrigan, Qiem Phys ^ 4381 (1965)

33. K T Compton, Phys Rev 22 333 (1923)

34. J D Cpbine, Gaseous conductors, theory and engineering applications, Dover publication INC New York (1958)

35. J D IVadker Jr and R M St Jolin, Chem Phys _61 2394 (1974)

36. S Chapman and T G Cowling, The Mathematical Theory of non-uniform gases, Cambridge at the University Press (1952)

37. V A Anlaidinov, S V Babashev and B P Andreev, Sov Phys JETP 26 (1965) 38. W L Wdese,M W Smith and B M Glemon, Atomic Transition probabilities

NBS Washington DC (1966)

39. C Candler, Atomic Spectra and the vector; Model, Kilger and Watts Ltd London (1964)

40. D E T F Ashby and D F Jephcott, Appl Phys Lett _3 13 (1963) 41. J B Gerardo and J E Verdeyen Appl Phys Lett ^ 121 (1963)

42. D A Baker, J E Hammel, and F E Jalioda, Rev Sci I n s t 295 (1965)

43. J B Gerardo and J E Verdeyen, Proc IEEE 690 (1964)

R.3

45. J B Gerardo and J T Verdeyen, J Appl Phys Lett ^ 185 (1965) 46. J B Gerardo and M A Gusinov, J Appl Phys ^ 2533 (1969) 47. H Malamud, Rev Sci Inst ^ 1507 (1965)

48. J T Verdeyen, B E Cherrington and M E Fein, Appl Phys Lett 9_ 360 (1966) 49. C S Liu, J T Verdeyen and B E Cherrington, J Appl Phys 201 (1969)

50. 0 S Zuker, J Appl Phys 4B 306 (1971)

51. J G Eden and B E Cherrington, J Appl Phys 44 4920 (1973) 52. A Dalgamo and A E Kingston, Proc Roy Soc 259 424 (1960)

53. J P Goldsborough, Appl Opt ^ 267 (1964)

54. Hirschfelder, Curtiss and Bird, Molecular theory of liquids and gases, Wiley, New York, London (1954)

55. A Maitland and M H Dunn, Laser Physics, North Holland Publishing Company, Amsterdam (1969)

56. J W Foreman Jr, Appl Opt, ^ 821 (1967)

57. A E Siegman, Proc IEEE ^ 1350 (1966)

58. 0 E Delange, IEEE Spect 2 77 (1968)

59. A Maitland, Proposal for research and development of .laser measurements teclmiques. University of St Andrews

60. C Freed, IEEE Quantum Elect 7_ 404 (1968)

61. A J IVallard, PhD Thesis, St Andrews University (1972)

62. C R C Handbook of Chemistry and Physics 53rd Edition (1972 - 1973) 63. iV S Spinlcs, Vacuum Tedmology, Chapman and Hall (1963)

64. L B Loch, The Kinetic Theory of Gases, McGraw-Hill Book Company Inc New York and London (1934)

65. R W Crompton, M T Elford and K L Joiy, Aust J Phys 369 (1967) 66. H J Oskam, Philp Res Rep 13 352 (1958)

67. R Deloch, P Manichicort, M Che ret and F Lambert, Phys Rev

A13 1140 (1976)

69. G E Veatch and M J Oskam, Phys Rev 184 202 (1969) 70. A IV Jolmson and J B Gerardo, Phys Rev M 1410 (1972) 71. J Berland, M Cheret, R Deloch, A Confalaaice and C Manus,

Phys Rev A6 887 (1970)

72. M A Blondi and S C Brown, Phys Rev 7^ 1700 (1949)

73. J B Hasted, Physics of Atomic Collisions, London Butterworths (1964) 74. C B Collins,H S Hicks, 14 E Wells and R Burton, Phys Rev M

1545 (1972)

75. C E Webb, J Appl Phys 39 5441 (1968)

76. H M Grimly and K G Emeleus, Brit J Phys lb 281 (1965) 77. C Popovici and M Somes an. Elect Lett 1 31 (1965)

78. P A Miller, J T Verdeyen and B E Cherrington, Phys Rev M 692 (1971) 79. D R .Long and R Geballe, Phys Rev M 260 (1970)

80. L Vriens, T F M Bans en and J A Smith, Physica 40 229 (1968) 81. D J T Morrison and M R H Rudge, Proc Phys Soc £1 565 (1967)

82. A V Phelps and J P Molnar, Phys Rev 89_ 1202 (1953)

83. - R M St John,' F L Miller and C C Lin, Phys Rev 154 A8SS (1964)

84. V S Borodin aaid Yu M Kagan, Opt and Spect 18_ 546 (1964)

85. V S Borodin and Yu M Kagan, Sov Phy Tech Phys 11_ 131 (1966) 86. -Yu M Kagan and A S Taroyan, Opt and Spect 120 (1975)

87. A V Phelps, Phys Rev 99 1307 (1955)

88. R G Fowler, T M Holzberlein, C H Tozabron and S J B Carrigan,

Proc Phys Soc ^ 539 (1964)

89. V I Oddcur and A M Petrun’kin, Opt and Spect 14 245 (1963) 90. S P Varshavskii, • A M Mityureva and N P Penkin, Opt and Spect 29

341 (1970)

91. L D Schearer and F A Padovani, J Chem Phys _52 1618 (1970)

R.5

95. G J Collins, J Appl Phys j# 4633 (1973)

94. A G C Mitdiell and M W Zemansky, Resonance radiation and excited atoms, Cambridge University Press (1961)

95. J A Harrison, Proc Phys Soc 73 841 (1959)

96. J F Sutton and R B Kay, Phys Rev A £ 697 (1974)

97. R J IV Henry and J J Mat es e, Phys Rev A 14 136 S (1976) 98. E T P Lee and C C Lin, Phys Rev 138 A301 (1965)

99. N P Romanov, Opt and Spect, _26 376 (1969)

100. R J Anderson and R H Hughes, Phys Rev A _5 1194 (1972)