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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 13, Iss. 6 — Jun. 1, 1988
  • pp: 449–451

Intracavity absorption measurements from liquid samples in an Ar+-ion laser

E. Kleist and H. Bettermann  »View Author Affiliations


Optics Letters, Vol. 13, Issue 6, pp. 449-451 (1988)
http://dx.doi.org/10.1364/OL.13.000449


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Abstract

We present experimental intracavity absorption measurements carried out in a commercial Ar+-ion laser with a modified resonator. The samples were aqueous solutions of Rhodamine 6G. The smallest detectable concentration was 1 × 10−13 mol/L for λ = 488 nm. This is equivalent to an internal absorbance of 3.5 × 10−9. Similar measurements were performed with λ = 514.5 nm, but time- and space-periodic intensity fluctuations, particularly at lower light levels, reduced the sensitivity of the absorption detection.

© 1988 Optical Society of America

History
Original Manuscript: September 29, 1987
Manuscript Accepted: March 25, 1988
Published: June 1, 1988

Citation
E. Kleist and H. Bettermann, "Intracavity absorption measurements from liquid samples in an Ar+-ion laser," Opt. Lett. 13, 449-451 (1988)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-13-6-449

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