Issue 24, 2018

Prospective on using fibre mid-infrared supercontinuum laser sources for in vivo spectral discrimination of disease

Abstract

Mid-infrared (MIR) fibre-optics may play a future role in in vivo diagnosis of disease, including cancer. Recently, we reported for the first time an optical fibre based broadband supercontinuum (SC) laser source spanning 1.3 to 13.4 μm wavelength to cover the spectral ‘fingerprint region’ of biological tissue. This work has catalysed the new field of fibre MIR-SC and now very bright sources equivalent to a ‘few synchrotrons’ have been demonstrated in fibre. In addition, we have made record transparency MIR fibre for routeing the MIR light and reported first-time MIR photoluminescence (with long lifetime) in small-core, rare earth ion doped, MIR fibre – an important step towards MIR fibre lasing at >4 μm wavelength for pumping fibre MIR-SC. First time fibre MIR-SC spectroscopic imaging of colon tissue is described at wavelengths in the ‘fingerprint region’.

Graphical abstract: Prospective on using fibre mid-infrared supercontinuum laser sources for in vivo spectral discrimination of disease

Associated articles

Article information

Article type
Minireview
Submitted
24 Jūl. 2018
Accepted
30 Okt. 2018
First published
05 Nov. 2018

Analyst, 2018,143, 5874-5887

Prospective on using fibre mid-infrared supercontinuum laser sources for in vivo spectral discrimination of disease

A. B. Seddon, B. Napier, I. Lindsay, S. Lamrini, P. M. Moselund, N. Stone, O. Bang and M. Farries, Analyst, 2018, 143, 5874 DOI: 10.1039/C8AN01396A

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