FREQUENCY LOCKING AND DYE SPECTRAL HOLE BURNING IN <i>Q</i>-SPOILED LASERS

Soffer, B. H.; McFarland, B. B.

doi:10.1063/1.1754537

Cited by 48 publications

(3 citation statements)

References 8 publications

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“…Saturable filters were first employed in laser systems as Q-switching devices (Soffer 1964, Kafalas et a1 1964. In experiments with ruby and Nd : silicate lasers, spectral narrowing and even single-mode operation were sometimes observed (Sooy 1965, Hercher 1965, Soffer and McFarland 1966, while other authors reported spectral broadening and the generation of mode-locked pulse trains (Mocker and Collins 1965, DeMaria et a1 1966b, Stetser and DeMaria 1966. The type of behaviour depends on the absorber relaxation time in relation to the cavity transit time, as well as to its location in the cavity.…”

Section: Introductory Remarksmentioning

confidence: 93%

The generation of ultrashort laser pulses

New

1983

Rep. Prog. Phys.

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Ultrashort laser pulses are finding increasing application in numerous branches of science and technology. This article is an attempt to provide a comprehensive review of the whole field of ultrashort pulse generation, covering both the experimental and the theoretical aspects of the subject. By far the commonest method of generating pulses in the picosecond and subpicosecond regime is the technique known as 'modelocking' and it is with this that the review is therefore largely concerned. After introductory remarks and a simple treatment of some of the general principles, the central sections of the review deal with the main generic techniques, namely spontaneous mode-locking, active mode-locking (including mode-locking by synchronous pumping) and passive mode-locking. Within each section the material is organised into three main categories, namely ( a ) general background, ( b ) historical survey (mainly relating to experimental work and densely packed with references to published work) and (c) theoretical methods (presented with a strongly pedagogical flavour). A major section at the end deals with a mass of important (and mostly recent) work that does not fit naturally into the main framework of the review. This includes USP generation in semiconductor lasers, a number of special methods such as injection mode-locking (and others where two or more mode-locking techniques are combined), as well as chopping and switching techniques.

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Section: Introductory Remarksmentioning

confidence: 93%

The generation of ultrashort laser pulses

New

1983

Rep. Prog. Phys.

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“…Certains auteurs [26,32,34] ont realise d'ingénieuses experiences dont le resultat ne s'explique simplement que si le spectre d'absorption pendant la saturation presente un trou a la longueur d'onde excitatrice (« hole burning & # x 3 E ; & # x 3 E ; ) . Si cet effet ne nous parait pas avoir d'importance dans les phtalocyanines, il nous parait probable dans certaines cyanines (cryptocyanine) ou le temps de vie T1 est tres faible ( 10'1° s), ce qui n'est pas infiniment grand par rapport au temps de thermalisation (10-12, 10-13 s).…”

Section: Intervention De Niveaux Tripletsunclassified

Étude de l'absorption saturable

Gires¹

1969

J. Phys. France

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2014 Lorsqu'on irradie une transition optique avec sa lumière de résonance, on modifie le rapport des populations entre les deux niveaux, ce qui perturbe le spectre d'absorption de la substance irradiée. Lorsque l'éclairement est assez intense, l'absorption à la fréquence de résonance va jusqu'à disparaître, tandis que de nouvelles absorptions ou amplifications se manifestent. L'auteur indique les méthodes expérimentales permettant d'étudier ces phénomènes et passe en revue quelques-unes des applications de ces effets.

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“…In 1968 the inhomogeneous broadening [31,32] and in 1987 the photophysical hole burning (PPHB) [33,34] was observed in the liquid phase at room temperature in ns-measurements. Cross sections and population densities may then differ from the common values by 3-4 orders of magnitude [35].…”

Section: Introductionmentioning

confidence: 96%

Modelling excited state absorption (ESA) measurements including the photophysical hole burning effect with rate equations

Menzel

1989

Molecular Physics

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To cite this article: Ralf Menzel (1989) Modelling excited state absorption (ESA) measurements including the photophysical hole burning effect with rate equations, Molecular Excited state absorption measurements have usually to be modelled for the determination of the population densities in the different occupied excited states. Rate equations can be used for this purpose if the described experimental conditions are fulfilled. The photophysical hole burning (PPHB) effect may then be considered in an elementary way. Finally the decay rates of the different states and the holes can be determined. Fast routines for solving the system of differential equations are given allowing for an easy interactive analysis of the measurements on personal computers. The behaviour of the solutions for the two simplest models is discussed. The experimental results of PPHB measurements on crystal violet in 2-propanol were modelled using this formalism.

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FREQUENCY LOCKING AND DYE SPECTRAL HOLE BURNING IN Q-SPOILED LASERS

Abstract: A selfconsistent approach to spectral hole burning in quantum wire lasers Synchronously pumped modelocked dye laser pumped by a frequencydoubled modelocked and Q switched diode laser pumped Nd:YAG laser

Cited by 48 publications

References 8 publications

The generation of ultrashort laser pulses

The generation of ultrashort laser pulses

Étude de l'absorption saturable

Modelling excited state absorption (ESA) measurements including the photophysical hole burning effect with rate equations

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