The simulation of active ions luminescence in the preform core under the pumping through the lateral surface

Latkin, K. P.

doi:10.1016/j.optcom.2023.129564

Cited by 1 publication

(2 citation statements)

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“…All electronic devices are driven by a microcontroller, and the signals are digitized by an analog-to-digital converter with an 8-bit resolution and a sampling frequency of 50 kHz. This frequency was selected according to the erbium ion excited state lifetime, the value of which was experimentally and theoretically obtained in [12].…”

Section: Methodsmentioning

confidence: 99%

“…The luminescent properties of the optical fiber will depend on its value. This problem was solved in [12]; however, the author exclusively narrowed the functionality of the system he created to study the distribution of the active additive concentration. In the mentioned work, simulation and practical verification of a method for the measurement of the concentration of active erbium in a preform are described.…”

Section: Introductionmentioning

confidence: 99%

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A Non-Destructive Study of Optical, Geometric and Luminescent Parameters of Active Optical Fibers Preforms

Konstantinov,

Turov,

Latkin

et al. 2024

Optics

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This work is devoted to the scientific and technical aspects of individual stages of active optical fibers preforms’ optical-geometric parameters metrological control. The concept of a system presented makes it possible to carry out a study of a rare earth element distribution in the preform of an active optical fiber to monitor geometric parameters, and also to study the evolution of the refractive index profile along the length of the sample at a qualitative level. As far as it is known, it is the first description of the preform optical, geometric, and luminescent properties measurement within a single automated laboratory bench. Also, the novelty of the approach lies in the fact that the study of the refractive index profile variation along the length of the preform is, for the first time, conducted using the “dry” method, that is, without immersing the sample in synthetic oil, which makes the process less labor-intensive and safer.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%