Wavelength and polarisation dependence of pump-induced loss in Ti:sapphire

Niall Simpson; Martin Lee; Alan J. Kemp

doi:10.1364/OME.511506

Wavelength and polarisation dependence of pump-induced loss in Ti:sapphire

Niall Simpson, Martin Lee, Alan J. Kemp

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Abstract

We use pump beam wavelength and polarisation to demonstrate that the phenomenon of pump-induced loss in Ti:sapphire is linked to simultaneous excitation of two separate absorption bands: the Ti3+ pump band and the parasitic 400 nm residual absorption. We find that the degree of pump-induced loss is linked to the relative absorption strengths of the residual absorption band and the Ti3+ pump band at the wavelength(s) of excitation.

Original language	English
Pages (from-to)	1370-1389
Number of pages	20
Journal	Optical Materials Express
Volume	14
Issue number	5
Early online date	24 Apr 2024
DOIs	https://doi.org/10.1364/OME.511506
Publication status	Published - 1 May 2024

Funding

Engineering and Physical Sciences Research Council (EP/T014288/1).

Keywords

titanium-doped sapphire
lasers
crystal
diode-pumping

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10.1364/OME.511506Licence: CC BY 4.0

Simpson-etal-OME-2024-Wavelength-and-polarisation-dependence-of-pump-inducedFinal published version, 6.61 MBLicence: CC BY 4.0

Cite this

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title = "Wavelength and polarisation dependence of pump-induced loss in Ti:sapphire",

abstract = "We use pump beam wavelength and polarisation to demonstrate that the phenomenon of pump-induced loss in Ti:sapphire is linked to simultaneous excitation of two separate absorption bands: the Ti3+ pump band and the parasitic 400 nm residual absorption. We find that the degree of pump-induced loss is linked to the relative absorption strengths of the residual absorption band and the Ti3+ pump band at the wavelength(s) of excitation.",

keywords = "titanium-doped sapphire, lasers, crystal, diode-pumping",

author = "Niall Simpson and Martin Lee and Kemp, \{Alan J.\}",

year = "2024",

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T1 - Wavelength and polarisation dependence of pump-induced loss in Ti:sapphire

AU - Simpson, Niall

AU - Lee, Martin

AU - Kemp, Alan J.

PY - 2024/5/1

Y1 - 2024/5/1

N2 - We use pump beam wavelength and polarisation to demonstrate that the phenomenon of pump-induced loss in Ti:sapphire is linked to simultaneous excitation of two separate absorption bands: the Ti3+ pump band and the parasitic 400 nm residual absorption. We find that the degree of pump-induced loss is linked to the relative absorption strengths of the residual absorption band and the Ti3+ pump band at the wavelength(s) of excitation.

AB - We use pump beam wavelength and polarisation to demonstrate that the phenomenon of pump-induced loss in Ti:sapphire is linked to simultaneous excitation of two separate absorption bands: the Ti3+ pump band and the parasitic 400 nm residual absorption. We find that the degree of pump-induced loss is linked to the relative absorption strengths of the residual absorption band and the Ti3+ pump band at the wavelength(s) of excitation.

KW - titanium-doped sapphire

KW - lasers

KW - crystal

KW - diode-pumping

UR - https://doi.org/10.1364/opticaopen.24619119.v1

U2 - 10.1364/OME.511506

DO - 10.1364/OME.511506

M3 - Article

SN - 2159-3930

VL - 14

SP - 1370

EP - 1389

JO - Optical Materials Express

JF - Optical Materials Express

IS - 5

ER -

Wavelength and polarisation dependence of pump-induced loss in Ti:sapphire

Abstract

Funding

Keywords

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