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Power-boosted difference-frequency source for high-resolution infrared spectroscopy

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Abstract.

We analyzed the spectroscopic performance of a difference-frequency source that utilizes a 5-W Yb-fiber amplifier for the “signal” radiation in order to increase the “idler” power generated around 4.3 μm. The amplifier is seeded by a monolithic-cavity Nd:YAG laser at 1064 nm. The intensity noise spectral density of the “idler” radiation was characterized. Cavity-enhanced saturated-absorption spectroscopy was also performed to test the frequency resolution. In particular, we observed the Lamb-dip spectrum of the ro-vibrational (0000-0001)R(0)transition of 17O12C16O in natural abundance. To our knowledge, this is the first observation of that transition by the Lamb-dip technique.

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Authors and Affiliations

  1. Istituto Nazionale di Ottica Applicata (INOA), Largo Fermi 6, 50125 Firenze, Italy, , , , , , IT

    S. Borri, P. Cancio, P. De Natale, G. Giusfredi & D. Mazzotti

  2. Dipartimento di Chimica Fisica e Inorganica – Università di Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy, , , , , , IT

    F. Tamassia

Authors
  1. S. Borri
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  2. P. Cancio
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  3. P. De Natale
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  4. G. Giusfredi
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  5. D. Mazzotti
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  6. F. Tamassia
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Additional information

Received: 19 December 2002 / Revised version: 3 February 2003 / Published online: 16 April 2003

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ID="*"Corresponding author. Fax: +39-055/4572-451, E-mail: mazzotti@inoa.it

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Borri, S., Cancio, P., De Natale, P. et al. Power-boosted difference-frequency source for high-resolution infrared spectroscopy . Appl Phys B 76, 473–477 (2003). https://doi.org/10.1007/s00340-003-1133-7

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  • DOI: https://doi.org/10.1007/s00340-003-1133-7

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