The integration of optical fibers into flexible textile structures, by using knitting or weaving processes can allow the
development of flexible light sources. The paper aims to present a new technology: Light Emitting Fabrics (LEF), which
can be used for example for PDT of Actinic Keratosis in Dermatology.
The predetermined macro-bending of optical fibers, led to a homogeneous side emission of light over the entire surface
of the fabric. Tests showed that additional curvatures when applying the LEF on non-planar surfaces had no impact on
light delivery and proved that LEF can adapt to the human morphology.
The ability of the LEF, coupled with a 635nm LASER source, to deliver a homogeneous light to lesions is currently
assessed in a clinical trial for the treatment of AK of the scalp by PDT. The low irradiance and progressive activation of
the photosensitizer ensure a pain reduction, compared to discomfort levels experienced by patients during a conventional
E. Thecua, C. Vicentini, A-S. Vignion, F. Lecomte, P. Deleporte, L. Mortier, R.-M. Szeimies, and S. Mordon, "Light emitting fabric for photodynamic treatment of actinic keratosis," Proc. SPIE 10037, Photonics in Dermatology and Plastic Surgery, 100370L (Presented at SPIE BiOS: January 29, 2017; Published: 6 February 2017); https://doi.org/10.1117/12.2252201.
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Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon