Effect of dispersion on longitudinal mode interval of a Fabry-Perot interferometer

XIONG Cuixiu

doi:10.7510/jgjs.issn.1001-3806.2015.05.011

In order to study effect of material dispersion on transmission characteristics of a Fabry-Perot interferometer (F-PI), transmission spectrum of the F-PI was calculated based on the Lorentz oscillator mode and the effect of dispersion intensity 0, attenuation coefficient and resonant frequency 0 on longitudinal mode interval was investigated. The results show that the interval between longitudinal modes at low and high frequency band decreases with the increasing of 0 and increases with the increase of . For the longitudinal modes near 0, the interval between longitudinal modes increases with the increase of 0 at first and then decreases. When 0 is small, the interval between longitudinal modes decreases with the increase of and increases with the increase of 0 at first and then decreases when 0 is big, the interval between longitudinal modes increases with the increase of at first and then decreases, and decreases with the increase of 0. The results are helpful for design and research of lasers.

Effect of dispersion on longitudinal mode interval of a Fabry-Perot interferometer

1. College of Communication and Electronic Engineering, Hunan City University, Yiyang 413000, China

Received Date: 2014-08-19

Accepted Date: 2014-09-15

Available Online: 2015-09-25

Abstract: In order to study effect of material dispersion on transmission characteristics of a Fabry-Perot interferometer (F-PI), transmission spectrum of the F-PI was calculated based on the Lorentz oscillator mode and the effect of dispersion intensity 0, attenuation coefficient and resonant frequency 0 on longitudinal mode interval was investigated. The results show that the interval between longitudinal modes at low and high frequency band decreases with the increasing of 0 and increases with the increase of . For the longitudinal modes near 0, the interval between longitudinal modes increases with the increase of 0 at first and then decreases. When 0 is small, the interval between longitudinal modes decreases with the increase of and increases with the increase of 0 at first and then decreases when 0 is big, the interval between longitudinal modes increases with the increase of at first and then decreases, and decreases with the increase of 0. The results are helpful for design and research of lasers.

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Reference (16)

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Effect of dispersion on longitudinal mode interval of a Fabry-Perot interferometer

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