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dc.creatorUrban, W.en_US
dc.creatorWappelhorst, M. H.en_US
dc.creatorMurtz, M.en_US
dc.creatorPalm, P.en_US
dc.date.accessioned2007-11-20T17:15:57Z
dc.date.available2007-11-20T17:15:57Z
dc.date.issued1995en_US
dc.identifier1995-FB-08en_US
dc.identifier.urihttp://hdl.handle.net/1811/29910
dc.description[1] T. George, S. Saupe, M.H. Wappelhorst and W. Urban, Appl. phys B 59, 159(1994).en_US
dc.descriptionAuthor Institution: Universität Bonn, Wegelerstr 8, D-53115 Bonnen_US
dc.description.abstractThe Co fundamental-band laser has recently been used to define a new secondary frequency standard in the 60 THz ($5\mu$m) region [1] The passive linewidth of the CO laser is approx 220 kHz. By an active stabilization loop the CO laser could be frequency offset-locked (FOL) to two $CO_{2}$ lasers, which are stabilized to $4.3 \mu m$ saturated fluorescence Lamb dips. With a fast feedback loop the beat frequency between all three lasers could be narrowed down to 50 kHz FWHM. With a computer controlled FOL setup the CO laser is tunable within a few MHz This enhances the capabilities of our heterodyne saturation spectrometer and makes it an adequate source for the recording of sub-Doppler line shapes and small scale pressure-induced frequency shifts of CO and OCS in the pressure region below 10 Pascal.en_US
dc.format.extent48683 bytes
dc.format.mimetypeimage/jpeg
dc.language.isoEnglishen_US
dc.publisherOhio State Universityen_US
dc.titleACTIVE LINE NARROWING OF A CO LASER BY FREQUENCY OFFSET LOCKING AND SATURATION LAMB DIPS OF CO AND OCS AT PRESSURES BELOW 10 PASCALen_US
dc.typearticleen_US


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