Optical properties of thin chromium films

Bruce, C. F.; Clothier, W K

doi:10.1364/josa.64.000823

Cited by 10 publications

(2 citation statements)

References 17 publications

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“…Evidently it is possible to obtain a signal linearly dependent on g and independent of # by electrical subtraction of the outputs (in suitable proportion) of detectors illuminated by IC and ID, although for the purposes of stabilization this separation will not be strictly necessary. An exact calculation shows that the possibility of separation is not a result of the small value of y5 assumed here, although it does depend on there being no shift between the transmission and reflexion fringes, which is not necessarily true for lossy mirror films (Bruce and Clothier 1974).…”

Section: The Resonator Used Outside the Laser Cavitymentioning

confidence: 77%

Laser frequency stabilization using a resonator containing a saturable absorber

Cole¹

1975

J. Phys. D: Appl. Phys.

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Suggests practical methods for stabilizing the frequency of a laser to the center of a weak inverted Lamb dip in a saturable absorber contained between the mirrors of an optical resonator. In one method the resonator forms part of a three-mirror laser cavity, and in two others the resonator is outside the laser. In each case, a servo system is suggested for controlling both the frequency of the laser and the tuning of the resonator, the limiting frequency stability is estimated, and causes of displacement of the controlled frequency from the absorption frequency are discussed. The results are compared with those for an internal cell laser with gas discharge fluctuations, derived using the theory of Greenstein. The practical examples make use of the estimated parameters of the He-20Ne/129I2 combination.

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