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Characteristics of MIR-FEL Induced-Sound in Biological Tissues
MIR-FEL CO2 Laser Medical application
2009/6/15
In this paper, we examine the pressure level and the wave form, which is the sound produced when incising biological tissue using a TEA-CO2 laser and a Middle-Infrared Free Electron Laser (MIR-FEL). T...
Carrier Dynamics in Semiconductors under MIR FEL Excitation
Free electron laser Mid-infrared Semiconductor
2009/6/15
Free electron lasers have unique advantages; wide-range wavelength tunability, ultrashort pulse operation and intense peak power. The high-power coherent laser beam in the mid-infrared (MIR) region pr...
Real-Time Monitoring of the Surface Modification of Root Dentin Using MIR-FEL-Induced Acoustic Waves
Real-time monitoring Photoacoustic spectroscopy Root surface caries
2009/6/10
For a non-invasive laser treatment, a real-time and non-contact monitoring technique is needed. We have investigated the extent of the surface modification of root dentin using photoacoustic spectrosc...