Focal-space intensity distribution of an incoherent light source beam behind a focusing lens

Liu, Mingqiang; Li, Liangjia

doi:10.1016/j.ijleo.2018.09.177

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Advances In Tlm and Tls1

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2022

2023

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Cited by 2 publications

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“…The use of incoherent heating light, like the white light source mentioned above, results in difficulties in its focusing in TLM setups. A careful analysis of this process has been made by Liu and Li [107]. What they found is that the TLM signal increases almost quadratically with the size of the LED heating beam source, when the light is focused using a spherical lens.…”

Section: Advances In Tlm and Tlsmentioning

confidence: 99%

Thermal lensing: outside of the lasing medium

Dobek

2022

Appl. Phys. B

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The thermal lens formed in a thermo-optical material as a result of its inhomogeneous heating, is a well-known phenomenon that has found widespread interest in the last decades, especially in the field of laser engineering and photo-thermal spectroscopy. In recent years, growing interest in the application of thermal lensing in different fields of optics and material studies has been observed. This review summarizes the latest efforts made by the scientific community to develop ways of using the phenomenon of thermal lensing. Its applications in spectroscopy, in laser beam formation and in imaging are described. The advantages and disadvantages of the thermal lensing in regard to these areas along with the potential future applications of the phenomenon are discussed.

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Section: Advances In Tlm and Tlsmentioning

confidence: 99%