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Acid-induced enamel erosion leading to dentine hypersensitivity is a growing problem for both the young and ageing population worldwide. Dentinal hypersensitivity is rising for the ageing population because of additional enamel wear. Both conditions adversely affect lifestyle and potentially can harm the systemic health of the patients. Since the loss of enamel is an irreversible process in vivo,...
In this work we investigate the performance of a novel ultrashort laser cavity design that incorporates an intracavity deformable mirror as a versatile phase-control element. With this cavity it is possible to induce user- defined phase changes into the pulse directly from the laser oscillator, as depicted in Fig. 1 thereby eliminating the need for an additional external pulse shaper.
Theoretical and experimental results are presented for the potential to eliminate group delay dispersion of resonant SESAMs over broad spectral bandwidths through the design of a single dielectric cap layer of carefully selected refractive index.
We describe the operation of a femtosecond Cr4+:YAG laser that has been mode locked using a novel GaInNAsSb SESAM. 230 fs pulses were generated at an average output power of 280 mW.
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