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We report a stimulated Raman scattering threshold reduction by a factor of ∼4 using a simple uncoated SrWO4 crystal with plane/parallel faces pumped by 1.5 mJ, 11 ns single-frequency pulses at 532 nm. The weak etalon effect is sufficient to shape both the spatial and spectral characteristics of the output Raman beam. The Raman signal tends to be single-frequency close to threshold, which might be an interesting way to further seed Raman amplifiers for high-energy Fourier-limited pulses at particular visible or near-infrared wavelengths.

Threshold reduction and mode selection with uncoated Raman crystal acting as a low-finesse cavity

FREGNANI, LUIGI;FARINELLO, PAOLO;PIRZIO, FEDERICO;AGNESI, ANTONIANGELO
2017-01-01

Abstract

We report a stimulated Raman scattering threshold reduction by a factor of ∼4 using a simple uncoated SrWO4 crystal with plane/parallel faces pumped by 1.5 mJ, 11 ns single-frequency pulses at 532 nm. The weak etalon effect is sufficient to shape both the spatial and spectral characteristics of the output Raman beam. The Raman signal tends to be single-frequency close to threshold, which might be an interesting way to further seed Raman amplifiers for high-energy Fourier-limited pulses at particular visible or near-infrared wavelengths.
2017
Applied Physics/Condensed Matter/Materials Science encompasses the resources of three related disciplines: Applied Physics, Condensed Matter Physics, and Materials Science. The applied physics resources are concerned with the applications of topics in condensed matter as well as optics, vacuum science, lasers, electronics, cryogenics, magnets and magnetism, acoustical physics and mechanics. The condensed matter physics resources are concerned with the study of the structure and the thermal, mechanical, electrical, magnetic and optical properties of condensed matter. They include superconductivity, surfaces, interfaces, thin films, dielectrics, ferroelectrics and semiconductors. The materials science resources are concerned with the physics and chemistry of materials and include ceramics, composites, alloys, metals and metallurgy, nanotechnology, nuclear materials, adhesion and adhesives. Resources dealing with polymeric materials are listed in the Organic Chemistry/Polymer Science category.
APPLIED OPTICS
sì
WOS:000393347900072
2-s2.0-85010201940
Esperti anonimi
Inglese
Internazionale
ELETTRONICO
56
3
662
665
4
Atomic and Molecular Physics, and Optics
https://www.osapublishing.org/view_article.cfm?gotourl=https%3A%2F%2Fwww%2Eosapublishing%2Eorg%2FDirectPDFAccess%2F114B7479-9688-CA53-DB18AC4F863D59EC_357429%2Fao-56-3-662%2Epdf%3Fda%3D1%26id%3D357429%26seq%3D0%26mobile%3Dno&org=Elsevier%20Inc
sì
6
info:eu-repo/semantics/article
262
Fregnani, Luigi; Farinello, Paolo; Pirzio, Federico; Zhang, Xing Yu; Petrov, Valentin; Agnesi, Antoniangelo
1 Contributo su Rivista::1.1 Articolo in rivista
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1.1 Articolo in rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11571/1178547
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