Gain saturation of a picosecond dye laser amplifier chain

T. L. Koch; L. C. Chiu; A. Yariv

doi:10.1016/0030-4018(82)90364-9

Gain saturation of a picosecond dye laser amplifier chain

T. L. Koch, L. C. Chiu, A. Yariv

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

A three stage Nd:YAG pumped dye laser amplifier chain has been constructed using longitudinal pumping in all three stages. Contrary to common practice, longitudinal pumping is employed to provide high small signal gains ({greater-than or approximate} 10⁵ in a single stage) with better beam homogeneity and easier alignment than transversely pumped systems. A simple mathematical model is described for the gain saturation of picosecond amplifiers which includes the effect of angular hole burning. Experimental results are in good agreement with the model. The theory represents a substantial improvement relative to sampler two level saturation models.

Original language	English (US)
Pages (from-to)	364-368
Number of pages	5
Journal	Optics Communications
Volume	40
Issue number	5
DOIs	https://doi.org/10.1016/0030-4018(82)90364-9
State	Published - Feb 1 1982
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

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10.1016/0030-4018(82)90364-9

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AU - Chiu, L. C.

AU - Yariv, A.

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N2 - A three stage Nd:YAG pumped dye laser amplifier chain has been constructed using longitudinal pumping in all three stages. Contrary to common practice, longitudinal pumping is employed to provide high small signal gains ({greater-than or approximate} 105 in a single stage) with better beam homogeneity and easier alignment than transversely pumped systems. A simple mathematical model is described for the gain saturation of picosecond amplifiers which includes the effect of angular hole burning. Experimental results are in good agreement with the model. The theory represents a substantial improvement relative to sampler two level saturation models.

AB - A three stage Nd:YAG pumped dye laser amplifier chain has been constructed using longitudinal pumping in all three stages. Contrary to common practice, longitudinal pumping is employed to provide high small signal gains ({greater-than or approximate} 105 in a single stage) with better beam homogeneity and easier alignment than transversely pumped systems. A simple mathematical model is described for the gain saturation of picosecond amplifiers which includes the effect of angular hole burning. Experimental results are in good agreement with the model. The theory represents a substantial improvement relative to sampler two level saturation models.

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Gain saturation of a picosecond dye laser amplifier chain

Abstract

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