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Instruments > In Situ/Laboratory Instruments > Chemical Meters/Analyzers > LGR CRDS

Preferred term

LGR CRDS  

Definition

  • Cavity Ringdown Spectroscopy has become a widely usedtechnique in the optical absorption analysis of atoms, molecules,and optical components. The technique allows the determination oftotal optical losses within a closed cavity comprised of two or moremirrors, and can be made arbitrarily more sensitive by improvmentsin the cavity mirror reflectivity. Part of the great attraction thatCavity Ringdown has, in addition to its’ great sensitivity, is thesimplicity of it’s use. The required equipment is modest, and thetheory of operation is easily grasped by students of modest training.In fact, the technique is used at a growing number of universities asan undergraduate laboratory demonstration. This article presents areview of the development of the Cavity Ringdown technique fromits’ roots as an unstable and difficult to use method of measuringmirror reflectivities, to the development of the high sensitivitypulsed and continuous adaptations which are in current use. (en)

Broader concept

Change note

  • 2020-11-16 15:24:04.0 [sritz] Insert Concept add broader relation (LGR CRDS [5d366681-ae43-40ed-b802-b3732047ea32,560779] - Chemical Meters/Analyzers [3d25724b-832f-4a61-b0b2-4f2ccecdba94,543779]);
  • 2020-11-16 15:25:43.0 [sritz] insert AltLabel (id: null category: primary text: Los Gatos Research Cavity Ringdown Spectroscopy language code: en); insert Definition (id: null text: Cavity Ringdown Laser Spectroscopy (CRDS):History, Development, and Applications A. O’Keefe1, J. J. Scherer1, J.B. Paul2, and R.J. Saykally21 Los Gatos Research, 67 East Evelyn Ave., Mountain View, CA 940412 Department of Chemistry, University of California, Berkeley, CA 94720Cavity Ringdown Spectroscopy has become a widely usedtechnique in the optical absorption analysis of atoms, molecules,and optical components. The technique allows the determination oftotal optical losses within a closed cavity comprised of two or moremirrors, and can be made arbitrarily more sensitive by improvmentsin the cavity mirror reflectivity. Part of the great attraction thatCavity Ringdown has, in addition to its’ great sensitivity, is thesimplicity of it’s use. The required equipment is modest, and thetheory of operation is easily grasped by students of modest training.In fact, the technique is used at a growing number of universities asan undergraduate laboratory demonstration. This article presents areview of the development of the Cavity Ringdown technique fromits’ roots as an unstable and difficult to use method of measuringmirror reflectivities, to the development of the high sensitivitypulsed and continuous adaptations which are in current use. language code: en);
  • 2020-11-16 15:26:48.0 [sritz] update Definition (Cavity Ringdown Spectroscopy has become a widely usedtechnique in the optical absorption analysis of atoms, molecules,and optical components. The technique allows the determination oftotal optical losses within a closed cavity comprised of two or moremirrors, and can be made arbitrarily more sensitive by improvmentsin the cavity mirror reflectivity. Part of the great attraction thatCavity Ringdown has, in addition to its’ great sensitivity, is thesimplicity of it’s use. The required equipment is modest, and thetheory of operation is easily grasped by students of modest training.In fact, the technique is used at a growing number of universities asan undergraduate laboratory demonstration. This article presents areview of the development of the Cavity Ringdown technique fromits’ roots as an unstable and difficult to use method of measuringmirror reflectivities, to the development of the high sensitivitypulsed and continuous adaptations which are in current use.);
  • 2020-11-16 15:27:19.0 [sritz] update Definition (Cavity Ringdown Laser Spectroscopy (CRDS):History, Development, and Applications A. O’Keefe1, J. J. Scherer1, J.B. Paul2, and R.J. Saykally21 Los Gatos Research, 67 East Evelyn Ave., Mountain View, CA 940412 Department of Chemistry, University of California, Berkeley, CA 94720);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/5d366681-ae43-40ed-b802-b3732047ea32

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