Document Detail


Coherent transient spectroscopy with continuous wave quantum cascade lasers.
MedLine Citation:
PMID:  23321575     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A high power continuous wave quantum cascade laser operating around 1900 cm(-1) has been used to conduct Lamb dip spectroscopy on a low pressure sample of NO. The widths of the Lamb dips indicate that the laser linewidth is 800 ± 60 kHz and the power sufficient to induce significant population transfer of up to 35%. While the Lamb dip signals are symmetric at low laser chirp rates, they become increasingly asymmetric as the chirp rate increases, further confirming the significant degree of population transfer. In addition rapid passage structure on the Lamb dip signal is observed after the weak probe beam is swept through the line center. This structure is sensitive to both the probe chirp rate and the underlying hyperfine structure of the rovibrational transition, and is accurately modeled using the optical Bloch equations.
Authors:
James M R Kirkbride; Sarah K Causier; Elin A McCormack; Damien Weidmann; Grant A D Ritchie
Related Documents :
24483895 - Optics of a gas of coherently spinning molecules.
2839745 - Percutaneous, in vivo excimer laser angioplasty: results in two experimental animal mod...
23464195 - Continuously tunable optical multidimensional fourier-transform spectrometer.
23389025 - Single-mode 2.65 µm ingaassb/alingaassb laterally coupled distributed-feedback diode l...
18537455 - Mathematical characterisation of the transduction chain in growth cone pathfinding.
9178245 - Excitation of arbitrary shapes by gradient optimized random walk in discrete k-space.
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-16
Journal Detail:
Title:  Physical chemistry chemical physics : PCCP     Volume:  -     ISSN:  1463-9084     ISO Abbreviation:  Phys Chem Chem Phys     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888160     Medline TA:  Phys Chem Chem Phys     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Chemistry, University of Oxford, Physical and Theoretical Chemistry Laboratory, South Parks Road, Oxford, OX1 3QZ, UK. grant.ritchie@chem.ox.ac.uk.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


Previous Document:  Fish consumption and risk of esophageal cancer and its subtypes: a systematic review and meta-analys...
Next Document:  Decolorization and detoxification of sulfonated azo dye C.I. Remazol Red and textile effluent by iso...