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References

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  1. H. Kogelnik, T. Li, Appl. Opt. 5, 1550 (1966)
    [CrossRef] [PubMed]
  2. H. Kogelnik, Bell. Syst. Tech. J. 44, 455 (1965).

1966 (1)

1965 (1)

H. Kogelnik, Bell. Syst. Tech. J. 44, 455 (1965).

Appl. Opt. (1)

Bell. Syst. Tech. J. (1)

H. Kogelnik, Bell. Syst. Tech. J. 44, 455 (1965).

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Figures (3)

Fig. 1
Fig. 1

(a) Relative orientation of chopper blade and Gaussian light beam. (b) Optical power of chopper beam as a function of time.

Fig. 2
Fig. 2

Block diagram of the beam width measuring circuit.

Fig. 3
Fig. 3

Schematic representation of the effect of a lens on a Gaussian light beam.

Equations (6)

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I ( r , z ) = [ w 0 / w ( z ) ] I 2 0 exp [ - 2 r 2 / w 2 ( z ) ] ,
w ( z ) [ ( b 2 + 4 z 2 ) / ( b k ) ] 1 2 ,
p ( t ) = p 0 - u t exp [ - ( u t ) 2 + y 2 w 2 ] d t d y .
w = - ( 2 / π ) u { [ p ( t ) ] max / ( d p / d t ) max } .
w = ( 2 / π ) 1 2 u R C { [ v 0 ( t ) ] max / [ v 1 ( t ) ] max } ,
w f = 2 f / ( k b ) 1 2 .

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