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Optics Letters

Optics Letters


  • Vol. 20, Iss. 12 — Jun. 15, 1995
  • pp: 1427–1429

Induced-dichroism-excited atomic line filter at 532 nm

S. K. Gayen, R. I. Billmers, V. M. Contarino, M. F. Squicciarini, W. J. Scharpf, Guangning Yang, P. R. Herczfeld, and D. M. Allocca  »View Author Affiliations

Optics Letters, Vol. 20, Issue 12, pp. 1427-1429 (1995)

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The operation of a narrow-linewidth optical filter based on the 4P1/2 → 8S1/2 excited-state transition in potassium vapor is reported. The 4P1/2 state is excited by a circularly polarized, 769.9-nm, 10-ns pulse from a dye laser. A linearly polarized, time-sequenced, and spatially overlapped probe pulse at 532.33 nm completes the transition to the 8S1/2 state. The peak filter transmission is ~40% with a bandwidth of less than 4 GHz. Corroborative experimental results suggest that the rotation of probe-pulse polarization by an induced circular birefringence is the dominant mechanism behind the filter operation.

© 1995 Optical Society of America

Original Manuscript: February 3, 1995
Published: June 15, 1995

S. K. Gayen, R. I. Billmers, Guangning Yang, D. M. Allocca, P. R. Herczfeld, V. M. Contarino, M. F. Squicciarini, and W. J. Scharpf, "Induced-dichroism-excited atomic line filter at 532 nm," Opt. Lett. 20, 1427-1429 (1995)

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  1. J. B. Marling, J. Nilsen, L. C. West, L. L. Wood, J. Appl. Phys. 50, 610 (1979). [CrossRef]
  2. R. I. Billmers, S. K. Gayen, M. F. Squicciarini, V. M. Contarino, W. J. Scharpf, D. M. Allocca, Opt. Lett. 20, 106 (1995). [CrossRef] [PubMed]
  3. D. J. Dick, T. M. Shay, Opt. Lett. 16, 867 (1991); J. Menders, K. Benson, S. H. Bloom, C. S. Liu, E. Korevaar, Opt. Lett. 16, 846 (1991). [CrossRef] [PubMed]
  4. J. B. Marling, IEEE J. Quantum Electron. QE-14, 56 (1978). [CrossRef]
  5. W. L. Wiese, G. A. Martin, in Physics Vade Mecum, H. L. Anderson, ed. (American Institute of Physics, New York, 1981), p. 100.The quoted value of 2.6 ns in Ref. 2 is in error.
  6. The circularly polarized probe beam was analyzed with a linear polarizer both before and after it was reflected by the beam combiner. The ratio of beam intensities measured in two mutually orthogonal directions was ~0.7 for the reflected beam, as compared with near unity before reflection.
  7. N. W. Ressler, R. H. Sands, T. E. Stark, Phys. Rev. 184, 102 (1969). [CrossRef]

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