Mid-infrared wavelength- and frequency-modulation spectroscopy with a pump-modulated singly-resonant optical parametric oscillator

I.D. Lindsay, P. Gross, Christopher James Lee, B. Adhimoolam, Klaus J. Boller

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We describe the implementation of the wavelength- and frequency-modulation spectroscopy techniques using a singly-resonant optical parametric oscillator (OPO) pumped by a fiber-amplified diode laser. Frequency modulation of the diode laser was transferred to the OPO¿s mid-infrared idler output, avoiding the need for external modulation devices. This approach thus provides a means of implementing these important techniques with powerful, widely tunable, mid-infrared sources while retaining the simple, flexible modulation properties of diode lasers.
Original languageUndefined
Pages (from-to)12341-12346
JournalOptics express
Issue number25
Publication statusPublished - 2006


  • IR-57589

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