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Characterization of single-frequency Yb : KYF4 lasers at 1.03 mu m for optical frequency metrology (Articolo in rivista)

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Characterization of single-frequency Yb : KYF4 lasers at 1.03 mu m for optical frequency metrology (Articolo in rivista) (literal)

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Pesatori, A; Galzerano, G; Norgia, M; Sani, E; Bonelli, L; Toncelli, A; Tonelli, M; Laporta, P; Svelto, C (2008)
Characterization of single-frequency Yb : KYF4 lasers at 1.03 mu m for optical frequency metrology
in IEEE transactions on instrumentation and measurement
(literal)

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Pesatori, A; Galzerano, G; Norgia, M; Sani, E; Bonelli, L; Toncelli, A; Tonelli, M; Laporta, P; Svelto, C (literal)

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\"[Pesatori, Alessandro; Norgia, Michele; Svelto, Cesare] Politecn Milan, Dipartimento Elettron & Informat, I-20133 Milan, Italy; [Galzerano, Gianluca; Laporta, Paolo] Politecn Milan, Dipartimento Fis, CNR, Ist Foton & Nanotecnol, I-20133 Milan, Italy; [Sani, Elisa; Bonelli, Lucia; Toncelli, Alessandra; Tonelli, Mauro] Univ Pisa, Dipartimento Fis, CNR, Ist Nazl Fis Mat,Natl Enterprise Nano Sci & Techn, I-56100 Pisa, Italy (literal)

Titolo

Characterization of single-frequency Yb : KYF4 lasers at 1.03 mu m for optical frequency metrology (literal)

Abstract

A longitudinally pumped, widely tunable, solid-state Yb:KYF4 laser was developed with special design for applications to optical frequency metrology and absolute frequency stabilization. The KYF4 crystalline host, combined with efficient diode pumping, allows for wide wavelength tunability at about 1.03 mu m in a single transverse mode. Two different laser cavity designs were experimentally investigated. The combined use of an intracavity birefringent filter and uncoated glass etalons provides single-frequency output power at the 100-mW level in a folded-cavity resonator. A second hemispherical linear cavity was also developed with one or two coated intracavity etalons for single-frequency operation. The novel laser sources were thoroughly characterized in terms of output power and beam quality, amplitude noise, wavelength tunability, and single-axial-mode operation. High-quality TEMoo single-frequency laser radiation opens the way to the development of a new optical frequency standard based on the 12 molecule at 0.5-mu m wavelength. (literal)

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