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Optics Letters

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  • Vol. 13, Iss. 6 — Jun. 1, 1988
  • pp: 443–445

Ultrahigh-resolution, wide-field-of-view optical filter for the detection of frequency-doubled Nd:YAG radiation

T. M. Shay and Yun C. Chung  »View Author Affiliations


Optics Letters, Vol. 13, Issue 6, pp. 443-445 (1988)
http://dx.doi.org/10.1364/OL.13.000443


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Abstract

We report a simple theoretical model for the calculation of the dependence of filter quantum efficiency versus laser pump power in an atomic Rb vapor laser-excited optical filter. We present the calculations for a 532.4-nm Rb filter that can be used to detect the practical and important frequency-doubled Nd:YAG laser. The results of these calculations show that the filter’s quantum efficiency is relatively insensitive to the laser pump power. The laser powers required to pump the filter range from 3.6 to 226 mW per square centimeter of filter aperture.

© 1988 Optical Society of America

History
Original Manuscript: October 13, 1987
Manuscript Accepted: March 1, 1988
Published: June 1, 1988

Citation
T. M. Shay and Yun C. Chung, "Ultrahigh-resolution, wide-field-of-view optical filter for the detection of frequency-doubled Nd:YAG radiation," Opt. Lett. 13, 443-445 (1988)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-13-6-443


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References

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  4. Y. C. Chung, T. M. Shay, IEEE J. Quantum Electron. (to be published).
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  10. Holstein’s formula was derived under the approximation that σ(λp)n5sr ≫ 1. However, comparisons with experimental data show that Holstein’s formula underestimates the resonance trapping by only <25% for σ(λp)n5sr = 3, and the accuracy improves rapidly as σ(λp)n5sr increases. Therefore we used this relation.
  11. The collisional deactivation rates for the Rb(10s) atoms have not yet been measured. Therefore, to be conservative, we have used the largest measured collisional quenching cross section for Rb. The quenching rate for Rb(13d) atoms in collisions with Rb(5s) atoms was measured by Hugon et al.12
  12. M. Hugon, F. Gounand, P. R. Fournier, J. Phys. B 13, L109 (1980). [CrossRef]
  13. In spite of the strong resonance trapping, the cell can easily be uniformly excited by detuning the pump laser from line center.

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